OnLane™ Lane Departure Warning (LDW) System
Contents
1. e f resistance is greater than 1 ohm Service open in left speaker negative wiring Connect a known good speaker to the left soeaker connector and rerun the system diagnostic test e lf the system diagnostic tests pass the left speaker testing Replace the original speaker with a new one Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 13 2 Diagnostics Troubleshooting and Testing Right Audio Warning Output The following simplified diagram represents the right speaker circuit Although they are not shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation The LDW speaker outputs are compatible with both 4 ohm and 8 ohm speakers Figure 2 19 LEFT SPEAKER OnLane IF EQUIPPED 4010103a Figure 2 19 Circuit Diagnosis 1 Disconnect the LDW connector and measure from terminal A2 to the ground terminal B9 on the vehicle harness side for short to 12 volts Figure 2 20 9959000000580 H a e2eeee088888 r E B9 4010104a Figure 2 20 e f the measured voltage is in the range of 12 3 volts Repair short to battery in right audio warning output e lf there is no voltage Continue to Step 2 2 Measure from terminal B2 to the ground terminal B9 on the vehicle harness side for short to 12 volts Figure 2 21 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 4 4010105a Figure 2 21 e lif the mea2. Although they are not shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation Figure 2 15 LEFT TURN FLASHER CONTACT as LEFT RIGHT TURN TURN LAMP OnLane FLASHER l CONTACT i ey r DAN EENE Lo LH BATTERY T RIGHT TURN LAMP 4010113a Figure 2 15 Circuit Diagnosis 1 Verify correct vehicle turn signal operation to make sure turn signal switch and relay s are functioning properly Proceed with the following steps only if vehicle turn signals operate correctly Turn on the right turn signal and measure the voltage from terminal B4 to the ground terminal B9 Figure 2 16 A1 T 686686566586 PO q eeeeeeee00ee r 4010112a Figure 2 16 12 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 The voltage should be switching between 12 3 and 0 volts e If there is no voltage on B4 Continue to Step 2 e f voltage is present but does not switch This condition should have set a code 3 3 during LDW key on self test service short to power on turn signal circuit e f voltage switches between 12 3 and 0 volts and code 3 3 was set during LDW key on self test Rerun the key on self test and contact Customer Support if code still occurs 2 Turn off the turn signal and disconnect the LDW connector Measure for continuity between terminal B4 and the ground terminal B9 e If there
3. contact the Meritor OnTrac Customer Call Center at 866 OnTrac1 668 7221 for assistance Table A OnLane LDW Diagnostic Trouble Codes ad FMI dec Detection Method 1705 Dirty windshield If the system detects a dirty or blocked window Clean windshield remove visual obstructions Blink Code 1705 LDW Malfunction Any non recoverable internal LDW failure This fault can be set Call OnTrac at by any of the following DSP memory access and memory write 866 668 7221 failures on power up Imager communication fault received from the DSP Detection of VIOP VBATT voltage lt 9 or gt 32 DSP 1 8 voltage supply gt 1 91 or lt 1 7 DSP 1 2 voltage supply gt 1 28 or lt 1 12 VIOP to DSP initialization problems after 10 retries Imager over temperature 1705 ECU Over If temperature at image sensor is gt 85 C Provide cooling Temperature to the OnLane unit and retest after the unit is cooled to touch 3 1 3064 LDW Switch input If LDW Enable Disable Source discrete and LDW Enable service LDW stuck Low Disable Switch Type momentary and LDW switch input is switch circuit stuck low for 1 10 minute One 2368 Left turn signal input If Turn Signal Source J1939 AND the J1939 OEL message Service Left turn stuck high indicates left turn signal error or not available OR if OEL message signal circuit is not received If Turn Signal Source VP37 AND the VP37 message indicates left turn sig
4. is identifying a fault listed in Table A TOOLBOX 11 1 Software NOTE You must use TOOLBOX 11 1 Software or higher To download TOOLBOX 11 1 Software visit meritorwabco com To access the Meritor WABCO TOOLBOX 11 1 Software from the desktop screen double click on the Meritor WABCO TOOLBOX icon Figure 2 2 P vw R 4010594a Figure 2 2 4 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 From the message box that appears click on the OnLane LDW Diagnostics button Figure 2 3 NMERITOR WABCO 4010739a Figure 2 3 Retrieving Diagnostic Trouble Codes 1 Once the OnLane Diagnostics button is selected the active Diagnostic Trouble Codes DTCs will be displayed Figure 2 4 B Online LOW Dhagnaitca O m Seem Ping OnLane Lane Departure Warning fel EE Eu Gem aneian 4010740a Figure 2 4 2 A description of the DIC the number of times the DTC occurred the suspect parameter number SPN and the failure mode identifier FMI are all displayed in the Diagnostic Trouble Codes window After making the necessary repairs OnLane LDW will clear the DICs 2 Diagnostics Troubleshooting and Testing OnLane LDW Diagnostic Trouble Code Table The following table provides repair instructions and the corresponding Troubleshooting Sections in this manual for SPN FMI DTCs that are readable using TOOLBOX 11 1 Software If the display shows a code not listed in the table
5. is continuity between terminal B4 and the ground terminal B9 Service short to the ground terminal B9 in the right turn signal input circuit e lf there is no continuity to ground Service open in the right turn signal circuit to LDW Left Audio Warning Output The following simplified diagram represents the left speaker circuit Although they are not shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation The LDW speaker outputs are compatible with both 4 ohm and 8 ohm speakers Figure 2 17 LEFT SPEAKER OnLane IF EQUIPPED 401010 a Figure 2 17 Circuit Diagnosis Disconnect the LDW connector and measure from terminal A1 to the ground terminal B9 on the vehicle harness side for short to 12 volts Figure 2 18 HSS SGS5S 50055 kH q eeeaeeaeegee r E 4010108a Figure 2 18 e lf the measured voltage is in the range of 12 3 volts Repair short to battery in left audio warning output e If there is no voltage Continue to Step 2 Measure from terminal B1 to the ground terminal B9 for a short to 12 volts on the vehicle harness side e lf the measured voltage is in the range of 12 3 volts Repair short to battery in left audio warning output e lf there is no voltage Continue to Step 3 Measure from terminal A1 to terminal B1 on the vehicle harness side for left speaker resistance e f resistance is less than 3
6. or either turn signal is activated e The operator can silence any alerts for 10 minutes by pressing the operator mute button Pressing the mute button again should clear the mute mode and allow warning alerts to sound e Verify continuity and correct circuit function by performing the Circuit Mode test OnLane Circuit Mode Test 1 Turn ignition key to power up cab During start up the amber LDW Not Available indicator and green LDW Enabled indicator on the OnLane rocker switch are turned on Wait for the audible start up tones to complete If the indicators do not light or there are no start up tones check the OnLane power and ground connections the switch connections and the speaker connections Enter test mode by depressing the OnLane rocker switch at least seven times within ten seconds after the audible start up tones are complete The system indicates that it is in test mode by giving a short tone through the left speaker followed by one through the right speaker In a single speaker system both tones come through that speaker While in test mode the green LDW Enabled indicator is turned off and the amber LDW Not Available indicator flashes This test mode times out in 10 minutes Turning off the vehicle also causes the test mode to close If the amber LDW Not Available indicator is ON and green LDW Enabled indicator is OFF this indicates that a system fault is present The system identifies the fault by fl
7. set a LDW ENABLED code 4 3 during LDW key on self test Service the short to INDICATOR IGNITION GREEN SWITCH ground in LDW Enabled indicator circuit e If there is no continuity Go to Step 4 FUSE BATTERY 4 If there is no continuity This condition should have set a code 4 3 during LDW key on self test Service open in the NOT AVAILABLE LDW Enabled indicator circuit between the LDW connector and INDICATOR the LDW indicator fuse GREEN OnLane 4010099a If there is continuity Service or replace LDW Enabled indicator Amber LDW Not Available Indicator Mounting locations for the LDW Not Available indicator varies with 1 Disconnect the vehicle side of the LDW connector and measure vehicle application Please consult the system s user manual for the for voltage from B7 to the ground terminal B9 Figure 2 8 location in your vehicle Figure 2 7 Circuit Diagnosis The following simplified diagram represents the amber LDW Not Available indicator circuit Although they may not be shown here i additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation Figure 2 9 m G9SG0G 000005090 H a aeeeeeeeeeea r LDW ENABLED INDICATOR IGNITION a GREEN SWITCH B9 B7 B1 4010100a FUSE OnLane Figure 2 8 BATTERY NOT AVAILABLE INDICATOR GREEN e If 12 3 volts are present Continue to Step 2 e lf t
8. switch connections and the speaker connections Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 3 2 Diagnostics Troubleshooting and Testing 3 Enter test mode by depressing the OnLane rocker switch at least seven times within ten seconds after the audible start up tones are complete The system indicates that it is in test mode by giving a short tone through the left speaker followed by one through the right speaker In a single speaker system both tones will come through that speaker While in test mode the green LDW Enabled indicator is turned off and the amber LDW Not Available indicator flashes This test mode times out in 10 minutes Turning off the vehicle also causes the test mode to close If the amber LDW Not Available indicator is ON and green LDW Enabled indicator is OFF a system fault is present The system identifies the fault by flashing the green LDW Enabled indicator If the left turn signal is activated while in test mode the system gives an audible tone through the left speaker If the right turn signal is activated while in test mode systems equipped with two speakers give an audible tone through the right speaker systems equipped with a single speaker give an audible tone through the single speaker for both left and right turn signal activation lf the brake pedal is pressed the system will activate the green LDW Enabled indicator If the green LDW Enabled indicator flashes the system
9. to cut holes into the headliner or trim to accommodate the speakers and grills For ease of installation be sure to connect the female slide on terminals to the speakers prior to bolting the speakers and grills in place Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 21 3 Component Replacement Install Operator Mute Button Rocker Switch 1 Locate a blank opening in the dashboard to accommodate the mute button which is a rocker switch If one is not available make an opening in the dash to accommodate the button 2 Pull the mute button connector to the back of the opening and connect to the button as shown Figure 3 12 4010128a Figure 3 12 Connecting Wiring Harness to Vehicle Wiring 4 amp CAUTION Disconnect vehicle battery before proceeding The installation package includes a wiring harness that must be connected to the vehicle wiring Brake and turn signal inputs must provide a transition from OV to 12VDC when the turn signal and brake lights are activated 1 Assemble the OEM truck wiring diagrams and the OEM truck service repair manual information necessary to correctly route the wire harness into the headliner and behind the dashboard and to locate and identify all circuits involved 2 Connect 12VDC to a switched ignition power source that is only powered when vehicle ignition is on to avoid draining the vehicle battery 3 securely connect the wire harness connector to the OnLane module a
10. A pillar 2 Clean the windshield mounting surface with IPA wipe 50 50 mix of isopropyl alcohol and water or equivalent cleaner 3 Allow the mounting surface to dry completely before proceeding to the next step The windshield surface must be free of all oil moisture and dirt for correct mounting bracket adhesion NOTE To download mounting bracket installation templates visit the OnLane literature web page at meritorwabco com 4 Align the template so that the markings on the template are square to the centerline markings and the frit trim line markings at the top of the windshield Figure 3 1 The template shown is an example only WINDSHIELD CENTERLINE MARKER EXAMPLE TEMPLATE ONLY Black trim at top of windshield NOTE This line may not be straight or level OnLane Bracket P N 400 873 101 0 35 MM 5 MM Install bracket so the bottom surface of camera is level 1 5 when truck is parked on level surface Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 4011169a O 9 Remove the liners from the adhesive pads on the bracket Figure 3 2 4010120a Figure 3 2 Hold the bottom of the bracket slightly away from the glass and align the top of the bracket to the top of the template cutout Bring the bottom of the bracket adhesive pads into contact with the glass and press the bracket firmly against the glass Maintain a minimum of 45 pounds of force for 30
11. AT_lateral_offset Distance between vehicle center and center of the lane in cm right is positive FCW_ttc ms The visually estimated time to collision cm e FCW_range The visually estimated range to the target HWW_headway ms The visually estimated time gap between the OnLane equipped vehicle and the lead vehicle Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 2 Diagnostics Troubleshooting and Testing Circuit Descriptions and Diagnostics 2 Remove the fuse powering the LDW Enabled indicator Measure the voltage between terminal B7 and the ground Green LDW Enabled Indicator terminal B9 e If 12 3 volts are present This condition should have set a code 4 1 during LDW key on self test There is a short in the power between the LDW Enabled indicator circuit between the LDW connector and the Enabled The following simplified diagram represents the green LDW connector Repair this short indicator circuit Although they may not be shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation Figure 2 7 3 Use an ohmmeter to check for continuity between terminal B7 and the ground terminal B9 Mounting locations for the LDW Enabled indicator vary with vehicle application Please consult the system user s manual for the location in your vehicle e lf there is no voltage Go to Step 3 e If there is continuity This condition should have
12. MERITOR WABCO Maintenance Manual MM 1291 OnLane Lane Departure Warning LDW system Revised 05 14 service Notes About This Manual This manual provides installation procedures as well as the diagnostic procedures required to troubleshoot the OnLane lane departure warning LDW system installed in a vehicle Before You Begin 1 Read and understand all instructions and procedures before you begin to service components 2 Read and observe all Warning and Caution hazard alert messages in this publication They provide information that can help prevent serious personal injury damage to components or both 3 Follow your company s maintenance and service installation and diagnostics guidelines 4 Use special tools when required to help avoid serious personal injury and damage to components Hazard Alert Messages and Torque symbols 4 amp WARNING A Warning alerts you to an instruction or procedure that you must follow exactly to avoid serious personal injury and damage to components 4 amp CAUTION A Caution alerts you to an instruction or procedure that you must follow exactly to avoid damage to components This symbol alerts you to tighten fasteners to a specified torque value Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 How to Obtain Additional Maintenance service and Product Information Visit Literature on Demand at meritor com to access and order additional information C
13. ables or wiring during installation of the harness and trim panel or trim panel attaching screws Figure 3 11 Use zip ties or straps as necessary to secure the harness to prevent movement that may cause vibrations or compromise harness integrity Be careful to ensure that the wiring harness is clear of all screw locations including headliner and visor locations This prevents intrusions that may affect the integrity of the wiring harness 4010120a Most connections to the vehicle wiring are made on the passenger side of the vehicle so routing the wiring harness to Figure 3 9 the passenger side A pillar is recommended However wiring can be routed to either side 8 Hold the bottom of the bracket slightly away from the glass and align the top of the bracket to the top of the template cutout 9 Bring the bottom of the bracket adhesive pads into contact with the glass and press the bracket firmly against the glass Maintain a minimum of 45 pounds of force for 30 seconds Wait 15 30 minutes for the mounting bracket adhesive to set Figure 3 10 4010121a Figure 3 10 10 Remove the yellow lens cap from the new LDW unit and position the LDW unit onto the mounting bracket in a slightly swung up position to align the upper tab Align the two lower tabs on the LDW unit by rotating the unit downward with the lower tabs on the mounting bracket Figure 3 10 11 Install the two 115 torx head screws holding the LDW to the mountin
14. acement 4010125a Figure 3 7 4 If necessary remove all adhesive and other contaminants from the windshield Failure to remove all material from glass may result in inadequate adhesion of new bracket Clean the windshield mounting surface with IPA wipe 50 50 mix of isopropyl alcohol and water or equivalent cleaner 5 Allow the mounting surface to dry completely before proceeding to the next step The windshield surface must be free of all oil moisture and dirt for correct mounting bracket adhesion NOTE To download mounting bracket installation templates visit the OnLane literature web page at meritorwabco com 6 Align the template so that the markings on the template are square to the centerline markings and the frit trim line markings at the top of the windshield Figure 3 8 The template shown is an example only WINDSHIELD CENTERLINE MARKER Black trim at top of windshield NOTE This line may not be straight or level EXAMPLE 35 MM 5 MM OnLane Bracket TEMPLATE ONLY y P N 400 873 101 0 Install bracket so the bottom surface of camera is level 1 5 when truck is parked on level surface 4011169a Figure 3 8 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 3 Component Replacement 7 Remove the liners from the adhesive pads on the bracket Wiring Harness Installation OnLane Figure 3 9 1 Install the system wiring harness as shown Make sure that you do not pinch or cut the c
15. ashing the green LDW Enabled indicator lf the green LDW Enabled indicator flashes the system is either running one of the tests described below or identifying a fault Briefly activate the left turn signal and verify that a tone Is heard through the left soeaker and the green LDW Enabled indicator flashes If a warning tone is not heard check the left turn signal connection Briefly activate the right turn signal and verify that a tone is heard through the right speaker and the green LDW Enabled indicator flashes If a warning tone is not heard check the right turn signal connection Activate the brake and verify that the green LDW Enabled indicator is turned on If it is not turned on check the brake connection Turn the ignition key off to power down and exit the test mode If the self tests have not completed successfully the vehicle s green indicator begins to flash to identify the fault 3 Component Replacement OnLane Test Mode Faults Read the fault code by counting the series of green LDW Enabled indicator flashes For example if the fault code is 2 3 the system will flash ON two times for the first digit 2 pause for 3 seconds and then flash ON 3 more times for the second digit 3 to indicate a 2 3 fault code Figure 3 13 4010128a Figure 3 13 When the code display is complete the green LDW Enabled indicator switches OFF Redisplay the fault code by pressing and releasing the OnLane switch on
16. become loose or has fallen off the windshield e f the mounting bracket screw holes have become stripped or damaged e f the mounting bracket has been removed Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 Before securing the bracket to the windshield note that the locations of the mounting screws on the bracket are not tapped We recommend that you install the bracket to the LDW module before installing it in the vehicle Use the self tapping mounting screws of the LDW module to start the threads for the mounting screws on the bracket This action will allow for easier installation of the LDW module to the bracket once the bracket is installed to the windshield The LDW system should only be installed on a windshield when the glass temperature is within the recommended range between 70 100 F 21 37 C Do not apply the bracket if the windshield temperature is below 60 F 15 C 1 If necessary remove the LDW unit from the bracket back out the two 115 torx head screws far enough to disengage the screws from the windshield mounting bracket 2 lf necessary rotate the LDW unit upward and back slightly to disengage from the bracket and secure the unit to the sun visor Do not let the unit hang by the wiring harness Figure 3 6 4010122a Figure 3 6 3 If necessary remove bracket using a putty knife razor blade or similar tool Scrape bracket at edges and pry loose Figure 3 7 3 Component Repl
17. ct vehicle brake light operation to make sure brake switch is not out of adjustment or stuck closed Proceed with the following steps only if vehicle brake lights operate correctly Disconnect the LDW connector and measure for voltage between terminal A8 and the ground terminal B9 on the vehicle harness side of the connector Do not press the brake pedal at this time e lf the measured voltage on A8 is in the range of 12 3 volts This condition should set a LDW self test fault code of 3 4 Service short to power in circuit between LDW connector and vehicle harness e f there is no voltage Continue to Step 2 Press and hold the brake pedal while back probing the LDW connector and measure for voltage between terminal A8 and the ground terminal B9 There should be 12 3 volts on terminal A8 only when the brake switch is held down e If there is no voltage Service open in circuit between LDW connector and brake light switch e If the voltage is present only when the brake switch is held down and LDW self test code 3 4 is present Replace the LDW unit Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 15 3 Component Replacement Hazard Alert Messages Hazard Alert Messages Read and observe all Warning and Caution hazard alert messages in this publication They provide information that can help prevent Serious personal injury damage to components or both 4 amp WARNING To prevent serious eye injury always
18. e the LDW unit upward and back slightly to disengage from the bracket Figure 3 4 4010122a Figure 3 4 6 Remove the yellow lens cap from the new LDW unit Position the new LDW unit onto the mounting bracket in a slightly swung up position to align the upper tab and rotate the unit downward to align the two lower tabs on the LDW unit with the lower tabs on the mounting bracket Follow the instructions on the template Figure 3 5 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 17 3 Component Replacement 4010121a Figure 3 5 7 Install the two 115 torx head screws holding the LDW to the mounting bracket Tighten the screws to 1 7 0 2 Nem 13 2 1 5 ft lb Re installation of the mounting screws into an existing bracket requires less torque than the original installation of the screws DO NOT OVERTIGHTEN 8 Connect the LDW connector to the vehicle wiring harness and tuck the connector back into its original position behind the headliner 9 Perform the power on self test and verify that there are no fault codes present in the LDW module 10 Install the headliner per the vehicles service manual procedures Replacing a Complete LDW Module and Bracket Install a new LDW mounting bracket if any of the following conditions occur e lf anew system is being installed e f the windshield has been replaced and the new windshield does not contain a LDW mounting bracket e f the mounting bracket has
19. e time or connecting with TOOLBOX 11 1 Software Refer to the fault codes on page 5 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 23 Meritor WABCO Vehicle Control Systems 2135 West Maple Road Printed in USA Troy MI 48084 7121 866 OnTracl 668 7221 Copyright 2014 Revised 05 14 MERITOR WABCO meritorwabco com Meritor Inc Maintenance Manual MM 1291 16579
20. g bracket Tighten the screws to 2 5 0 4 Nem 22 3 5 ft lb DO NOT OVERTIGHTEN Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 Figure 3 11 Route the camera harness up the A pillar and along the vehicle headliner as shown Figure 3 11 Make sure that enough harness is present to allow connect disconnect of the camera connector without stressing the harness or the connector e uck the camera harness inside the headliner to mate with the wiring harness connector from the A pillar e Route wires to be connected to the warning speakers to the location where the speakers will be mounted e Route the mute button connector behind the dash to the desired location for the mute button If there is no opening on the dash panel that can accommodate the mute button one should be made e The remaining wires can be routed under the instrument panel for connection to the vehicle wiring 3 Component Replacement 4010130a Install the OnLane Warning Speakers and Grills 1 Identify the location in the truck where the OnLane warning speakers will be mounted Crimp female slide on terminals to the harness you routed to the speakers mounting location e Green and green black stripe twisted pair left speaker e Purple and purple black stripe twisted pair right speaker Use the machine screws washers and lock nuts supplied with the system to install the speakers and grills It may be necessary
21. gnostics Troubleshooting and Testing Inspection and Tests Power On Self Test f i The system performs a series of self tests on startup during which Visual Inspection the vehicle indicators and system speakers operate for Perform a visual inspection of the LDW system before proceeding approximately one second After successful completion of the with any diagnosis self test the vehicle s green System Enabled indicator is ON indicating that the system is ready for use If the Power ON Self Tests do not complete successfully the vehicle s green System Enabled indicator begins flashing to indicate which fault codes are present Refer to the fault code chart for further description of the flash fault codes e Ensure that the area of the windshield in front of the LDW is clean and there is nothing obstructing the camera lens Figure 2 1 Functional Check If the Power On Self tests are not successful the vehicle s green system Enabled indicator begins to flash indicating the identified fault s The fault code is read by counting the series of green System Enabled indicator flashes For example if a code 2 3 is present the indicator will flash ON two times and then pause for 3 seconds and flash ON 3 more times When the system has completed flashing out a fault code it will turn 40100964 off the green System Enabled indicator for 6 seconds If more than one fault code is present the system will flash out a new fault code after
22. gt 20 mph Ox20000 If brake control SPN 562 active for 1 second or engine control SPN 561 active for 1 second If soeed gt 20 mph and If brake control SPN 1818 active at all or engine control SPN1816 active for 1 second ESC If soeed gt 20 mph and If brake control SPN 1819 active at all or engine control SPN181 7 active for 1 second If ACC1 SPN 5022 from src 0x2A and XBR pgn 1024 SPN 2920 is 0 21 22 a4 0x200000 External FCW Haptic If ACC1 SPN 5022 from src 0x2A and XBR pgn 1024 SPN 2920 is 2 5 m sA2 a l 0x400000 External FCW CMB __ If ACC1 SPN 5022 from src 0x2A and XBR pgn 1024 SPN 2920 is 3 5 m s 2 Table C EDR Column Definitions Image frame number Increments 30 times per second This can be useful for matching EDR data to VDR frames odometer m Vehicle odometer The reason the VDR EDR event was recorded trigger_mask Trigger events that occurred during but not necessarily have caused the recording 0 OnLane is not receiving a valid yaw rate signal 1 yaw rate signal is being received 0 the vision based FCW is neither disabled by the driver nor by a radar based FCW system 1 The vision based FCW is disabled by the driver or by a radar based FCW system 0 No vehicle system has disabled OnLane 1 an external vehicle system is disabling OnLane cm s Al_alertness_index Driver Alertness Index Range 0 100 Numbers greater than 60 indicate the driver seems to be alert LD
23. here is no voltage on B7 Go to Step 3 4010099 a Figure 2 9 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 9 2 Diagnostics Troubleshooting and Testing Circuit Diagnosis 1 Disconnect the vehicle side of the LDW connector and measure for voltage from terminal A7 to the ground terminal B9 Figure 2 10 A7 A1 v N es 55885555556 IE q eee9eeaeegee r op B9 B1 4010102a Figure 2 10 e lf the measured voltage is in the range of 12 3 volts Continue to Step 2 e lf there is no voltage on A7 Go to Step 3 Remove the fuse powering the LDW Not Available indicator Measure the voltage between terminal A7 and the ground terminal B9 e lf the measured voltage is in the range of 12 3 volts This condition should have set a code 5 1 during LDW key on self test There is a short in the power in the LDW Not Available indicator circuit between the LDW Not Available connector and the LDW connector Repair this short e lf there is no voltage present Go to Step 3 Use an ohmmeter to check for continuity between terminal A7 and the ground terminal B9 e If there is continuity This condition should have set a code 5 3 during LDW key on self test Service the short to ground in LDW Not Available indicator circuit e lf there is no continuity Go to Step 4 Remove the fuse from the output side of the LDW indicator fuse holder Measure continuity between this fuse holder and termina
24. is a Camera based warning system that observes and calculates the truck s position within the lane In the event of an unintentional lane change the system provides audible warnings to inform the driver of this unintended event alerting the driver to make appropriate steering adjustments The system utilizes a camera mounted near the top center of the vehicle windshield Vehicle speakers provide audible warnings Included with the system is the DAW Driver Alertness Warning This system assists the driver by providing an audible warning X ings are enabled when the vehicle s GREEN when the calculated alertness based on the a le indicator is ON The system warnings may vehicle s stability within the lane falls below an pmporarily disabled by pressing the enable alertness threshold ch This will disable warnings for approximately inutes While warnings are disabled the icle s GREEN enable indicator will be OFF enable warnings again simply press the able switch Warning The OnLane system was designed manufactured and installed as a driver assistant This system is not intended to replace good attentive driving behaviors which may change based on traffic and road conditions Please read the following information to properly operate the system and understand the situations in which this system may not provide assistance 4010792a Figure 1 4 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 2 Dia
25. l A7 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 e lf there is no continuity This condition should have set a code 5 3 during LDW key on self test Service open in the LDW Enabled indicator circuit between the LDW connector and the LDW indicator fuse e If there is continuity Service or replace LDW Not Available indicator LDW Switch Input Mounting locations for the LDW switch vary with vehicle application Please consult the system s user manual for the location in your vehicle The following simplified diagram represents the LDW switch indicator circuit Although they may not be shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation Figure 2 11 OnLane LDW ENABLE DISABLE SWITCH Figure 2 11 4010115a Circuit Diagnosis 1 Disconnect the vehicle side of the LDW connector and measure for voltage from terminal B8 to the ground terminal B9 Figure 2 12 SS j NI z 585556558555 a e2ee0e08888 r 1 B9 B8 B1 4010116a EZA e lf there is no voltage on B8 Continue to Step 2 e f voltage is present Repair short to power on LDW enable switch circuit 2 Disconnect the LDW connector and hold the LDW enable disable switch closed Measure for continuity between terminal B8 and the ground terminal B9 e lf there is continuity Continue to Step 3 e lf there is no continuity to the ground ter
26. maged windshield e Poor lighting conditions caused by inoperable headlamp s or severe road glare e Poor weather conditions such as snow ice heavy fog or heavy rain e Poor pavement conditions such as broken road surface ice snow sand dirt or gravel covering the road surface e Missing worn faded damaged or covered lane markers When the system cannot provide assistance the vehicle s amber LDW Not Available indicator is turned ON Resolution of these factors should enable the system to automatically return to normal operation as indicated by the amber LDW Not Available indicator being turned OFF 1 Introduction 4 amp WARNING The OnLane system was designed manufactured and installed as an operator assistant This system is not intended to replace good attentive driving behaviors and practices which may change based upon traffic and road conditions Please refer to the OnLane Lane Departure Warning LDW Drivers Guide for information on the correct operation and understanding of the situations in which the system may not provide assistance System Components LDW Camera Module with Mounting Screws This component has the following features Figure 1 2 e Dimensions not including bracket 5 39 x 2 2 x 1 39 136 x 56 x 34 mm W x H x D e Weight 0 86 Ib 390 g including wiring pigtail e Cast aluminum with matte black finish e Light shield feature protects lens reduces reflections and preven
27. minal B9 service open in the in switch circuit between LDW connector and switch 3 While NOT holding the LDW enable disable switch closed measure for continuity between terminal B8 and the ground terminal B9 e If there is continuity This condition should have set a code 3 1 during LDW key on self test Service the short to ground in LDW switch input circuit e If there is no continuity between terminal B8 and the ground terminal B9 Perform LDW System test Left Turn Signal Input The following simplified diagram represents the left turn signal input circuit The LDW receives left turn signal information directly from the vehicle s turn signal circuit without any relays or additional switches Verify that the vehicle turn signals are operating properly before beginning any testing of the LDW turn signal inputs Although they are not shown here additional in line connectors and splices may be present in the circuit depending upon the particular vehicle installation Figure 2 13 LEFT TURN FLASHER CONTACT RIGHT TURN TURN LAMP OnLane FLASHER CONTACT BATTERY RIGHT TURN LAMP 4010113a Figure 2 13 2 Diagnostics Troubleshooting and Testing Circuit Diagnosis 1 Verify correct vehicle turn signal operation to make sure turn signal switch and relay s are functioning properly Proceed with the following steps only if vehicle turn signals operate properly Turn on the left turn signal and measure
28. n right speaker positive wiring 7 Disconnect the right front speaker and measure resistance between terminal B2 and the right speaker negative terminal at the speaker connector e f resistance is less than one ohm between terminal B2 and the right speaker negative terminal Continue to otep 8 e lf resistance is greater than one ohm between terminal B2 and the right speaker negative terminal Service open in right speaker positive wiring 8 Connect a known good speaker to the right speaker connector and rerun the system diagnostic test e f the system diagnostic tests pass the right speaker testing replace the original speaker with a new one Brake Switch Input The following simplified diagram represents the brake switch signal input circuit The LDW receives brake signal information directly from the vehicle s brake light circuit without any additional relays or switches Verify that the vehicle brake signals are operating correctly before beginning any testing of the LDW brake signal input Although they may not be shown here in line connectors and splices may be present in the circuit depending upon the particular vehicle installation In some vehicles the brake signal is received by the J1939 bus instead of by a discrete input on Terminal A8 Figure 2 23 2 Diagnostics Troubleshooting and Testing BRAKE SWITCH ine OnLane BATTERY 401011 a Figure 2 23 Circuit Diagnosis 1 Verify corre
29. nal error or not available OR if VP37 message is not received 3 3 23 0 Right turn signal If Turn Signal Source J1939 AND the J1939 OEL message _ Service Right input stuck high indicates right turn signal error or not available OR if OEL turn signal message is not received circuit If Turn Signal Source VP37 AND the VP37 message indicates right turn signal error or not available OR if VP37 message is not received Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 a 2 Diagnostics Troubleshooting and Testing Brake input stuck If Brake Source J1939 AND brake status equals error value as Service Brake high defined in J1939 This is checked whenever the J1939 message input circuit is received O1 Blink ia oOo IS 1702 A i Enabled indicator Low side driver chip diagnostics Tested on power on and when Service Enabled short to battery LDW enable indicator transition from off to on indicator short to battery 4 3 1702 Enabled indicator Low side driver chip diagnostics Tested on power on and when Service Enabled output open or short LDW enable indicator transition from on to off indicator circuit to ground open or short to ground 1710 Not Available Low side driver chip diagnostics Tested on power on and when Service Not indicator output short Not Available indicator transition from on to off Available to battery indicator circuit short to battery On 3 1710 Not Available Low
30. nd mute button BE CAREFUL NOT TO PINCH OR DAMAGE WIRES DURING ROUTING 4 Splice the flying leads from the harness to the various circuits of the vehicle harness Always follow the correct circuit splicing procedures as outlined in the OEM truck service repair manual 22 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 The seven flying leads listed below may not all be required Consult the installation information for your particular vehicle application or contact Customer Service e Red 12VDC Ignition power e Black Vehicle ground e Gray Left turn signal e Brown Right turn signal e Pink Brake e Green J1939 CAN low e Yellow J1939 CAN high 5 After wiring is complete cut and tape off any of the unused flying leads of the OnLane wiring harness Replace the headliner and any trim that may have been removed during installation Verifying Correct System Operation Confirm that the OnLane System is installed and operating correctly by verifying the following e When the vehicle ignition is turned on the system Issues a trial warning tone from each speaker and illuminates the green and yellow lights on the mute button e When the vehicle has reached approximately 42 mph 67 6 kph on a well marked road the amber LDW Not Available indicator goes out indicating the system is tracking and ready to issue warnings e The system does not issue warnings when the brakes are applied
31. ohms Service the short between speaker wires e lf resistance is approximately 4 ohms or approximately 8 ohms Continue to Step 4 e f resistance is greater than 9 ohms Continue to Step 6 Measure the resistance between terminal A1 and ground e If there is continuity between the A1 terminal and ground Service the short to ground in the left speaker out positive circuit e lf there is no continuity to ground Continue to Step 5 Measure the resistance between terminal B1 and ground 2 Diagnostics Troubleshooting and Testing e lf there is continuity between the B1 terminal and ground Service the short to ground in the left speaker out negative circuit e If there is no continuity to ground Continue to Step 6 Disconnect the left front speaker and measure resistance between terminal A1 and left speaker positive terminal at the speaker connector e f resistance is less than one ohm between terminal A1 at the LDW connector and the left speaker positive terminal Continue to Step 7 e lf resistance is greater than one ohm between terminal A1 at the LDW connector and the left speaker positive terminal Service open in left speaker positive wiring Disconnect the left front speaker and measure resistance between terminal B1 and left speaker negative terminal at the speaker connector e f resistance is less than one ohm between terminal B1 at the LDW connector and left speaker positive terminal Continue to Step 8
32. ontact the Meritor OnTrac Customer Call Center at 866 668 7221 United States and Canada 001 800 889 1834 Mexico or email OnTrac meritor com How to Obtain Replacement Components To order replacement components for the OnLane LDW System call Meritor s Commercial Vehicle Aftermarket at 888 725 9355 Please have the following information available e ruck make Truck model Truck model year e DW part number and serial number from the flag label located on the LDW wiring pigtail Number of LDW system speakers If Tools and Supplies are Specified in This Manual Contact Meritor s Commercial Vehicle Aftermarket at 888 725 9355 Information contained in this publication was in effect at the time the publication was approved for printing and is subject to change without notice or liability Meritor WABCO reserves the right to revise the information presented or to discontinue the production of parts described at any time pg 1 O N OO Lf 10 11 12 14 15 16 17 18 20 22 23 Contents Section 1 Introduction Description system Components LDW Camera Module with Mounting Screws LDW Windshield Mounting Bracket LDW Mounting Bracket Section 2 Diagnostics Troubleshooting and Testing Inspection and Tests Visual Inspection Power On Self Test Functional Check LDW System Test TOOLBOX 11 1 Software OnLane LDW Diagnostic Trouble Code Table Retrieving Video Capture Files Circ
33. ownload can be retrieved by clicking on the Video menu This will open a new window Figure 2 5 P OnLane LDW Diagnostics System Video Help OnLane Lane Departure Warning P 4011168a SPN FMI Count Description No Fauts Figure 2 6 4011167a Figure 2 5 2 From the VDR tab in the new window select the Read VDR Log This will load the logs from the module into the file list 3 Selecta file from the file list to download or preview 4 Clicking the View Preview button will display the image at the moment the event occurred 5 Clicking the Read Selected Clips button will initiate the video download The video file will be downloaded in mov file format The video will show the recording along with the frame numbers When the frame number turns red this indicates when the event recording was triggered 6 Clicking the Read Data From Selected button will initiate the data download Figure 2 6 The data file will be downloaded in a csv file format The data will show the reason why the event was recorded along with several other pieces of vehicle data Refer tolable B and Table C to analyze this data Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 7 2 Diagnostics Troubleshooting and Testing Table B Trigger Definition Ox0004 Hard Brake Vehicle speed decreases by 7 mph in 1 second 0x10000 If ABS is active PGN 61441 SPN 563 for 1 second and speed
34. seconds Wait 15 30 minutes for the mounting bracket adhesive to set Remove the yellow lens cap from the new LDW unit and position the LDW unit onto the mounting bracket in a slightly swung up position to align the upper tab Align the two lower tabs on the LDW unit by rotating the unit downward with the lower tabs on the mounting bracket Figure 3 3 4010121a Figure 3 3 Install the two 115 torx head screws holding the LDW to the mounting bracket Tighten the screws to 2 5 0 4 Nem 22 3 5 ft lb DO NOT OVERTIGHTEN 10 11 12 13 3 Component Replacement Connect the LDW connector to the vehicle wiring harness and tuck the connector behind the headliner Perform the power on self test and verify that there are no fault codes present in the LDW module Perform the LDW system test Install the headliner as described in the vehicle service manual procedures Replacing a New LDW Module on an Existing Bracket You can replace a damaged or faulty LDW unit on the existing bracket provided that the mounting screw holes in the bracket are not damaged or worn 1 2 Disconnect the vehicle battery Loosen the forward portion of the headliner as outlined in the vehicle service manual to gain access to the LDW connector Disconnect the LDW connector from the vehicle wiring harness Back out the two 115 torx head screws far enough to disengage the screws from the windshield mounting bracket Rotat
35. side driver chip diagnostics Tested on power on and when Service Not indicator output open Not Available indicator transition from on to off Available or short to ground indicator circuit open or short to ground 6 1 1704 Left audio warning Any detectable problem with the DAC or audio amplifier Reported Service left ouput problem if SPI communications to the DAC fails audio speaker and or circuit 6 2 1703 Right audio warning Any detectable problem with the DAC or audio amplifier Reported Service right output problem if SPI communications to the DAC fails audio speaker and or circuit Lol 639 J1939 network If vehicle soeed message is not received Verify J1939 problem data is on the vehicle communications bus using the Standard vehicle diagnostic tool If normal vehicle communications exist service the vehicle wiring to the LDW connector OnLane ECU If memory check fails EEPROM crc does not match the crc that is Call OnTrac at internal failure Stored for the used EEPROM range set this fault Tested 866 668 7221 periodically OnLane ECU lf calibration file is missing or corrupt Reported whenever DSP Call OnTrac at internal failure reports a corruption 866 668 7221 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 Q9 _ t 2 Diagnostics Troubleshooting and Testing Retrieving Video Capture Files 1 Ifthe OnLane module has video and data capture enabled the d
36. sured voltage is in the range of 12 3 volts Repair short to battery in the right audio warning output e If there is no voltage Continue to Step 3 Measure from terminal A2 to terminal B2 on the vehicle harness side for right soeaker resistance Figure 2 22 A2 A1 558858555565 j q eeeaeeeeegee r A i B2 B1 4010106a Figure 2 22 e f resistance is less than 3 ohms Service the short between speaker wires e f resistance is approximately 4 ohms or approximately 8 ohms Continue to Step 4 e f resistance is greater than 9 ohms Continue to Step 6 Measure resistance between terminal A2 and ground e If there is continuity between the A2 terminal and ground Service the short to ground in the right speaker out positive circuit e lf there is no continuity to ground Continue to Step 5 5 Measure resistance between terminal B2 and ground e lf there is continuity between the B2 terminal and ground Service the short to ground in the left soeaker out negative circuit e f there is no continuity to ground Continue to Step 6 6 Disconnect the right speaker and measure resistance between terminal A2 and the right speaker positive terminal at the speaker connector e f resistance is less than one ohm between terminal A2 and the right speaker positive terminal Continue to Step 7 e f resistance is greater than one ohm between terminal A2 and the right speaker positive terminal Service open i
37. the 6 second indicator off period The system continues to flash out new codes after each 6 second indicator off period is completed until all codes have been flashed out Figure 2 1 e Ensure that the mounting bracket is firmly attached to the windshield and that the LDW unit is firmly attached to the mounting bracket by carefully trying to wiggle the LDW unit by To repeat the fault code flash sequence push and release the LDW hand Enable Switch e t for any visual damage to the mounting bracket of the i a as LDW System Test The LDW System test is intended to be used after the system is installed in a vehicle to help verify the system is wired properly It is recommended that this procedure be performed whenever the system has been newly installed in a vehicle or when repairs have e Inspect the wiring for cut or frayed areas that could cause an been made to the system wiring open circuit or a short to the vehicle body which results in a short to ground condition e Ensure that there are no loose or corroded connections particularly where the LDW wiring may have been spliced into the vehicle harness To enter the System test 1 Turn ignition key to power up cab During start up the green and yellow indicators in the OnLane rocker switch are turned on 2 Wait for the audible start up tones to complete If the indicators do not light or there are no start up tones check the OnLane power and ground connections the
38. the voltage from terminal A4 to the ground terminal B9 Figure 2 14 HoGSGSE55 50055 HO nileeseaeeceees r E e B9 B1 4010114a Figure 2 14 The voltage should be switching between 12 3 and 0 volts e lf there is no voltage on A4 Continue to Step 2 e f voltage is present but does not switch This condition should have set a code 3 2 during LDW key on self test service short to power on turn signal circuit e f voltage switches between 12 3 and 0 volts and code 3 2 was set during LDW key on self test Rerun the key on self test and contact Customer Support if code still occurs Turn off the turn signal and disconnect the LDW connector Measure for continuity between terminal A4 and the ground terminal B9 e If there is continuity between terminal A4 and the ground terminal B9 Service short to the ground terminal B9 in the left turn signal input circuit e lf there is no continuity to ground Service open in the left turn signal circuit to LDW Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 11 2 Diagnostics Troubleshooting and Testing Right Turn Signal Input The following simplified diagram represents the right turn signal input circuit The LDW receives right turn signal information directly from the vehicle s turn signal circuit without any relays or additional Switches Verify that the vehicle turn signals are operating properly before beginning any testing of the LDW turn signal inputs
39. ts tampering e Attaches to bracket using two I 15 torx head screws 4010097a Figure 1 2 Meritor WABCO Maintenance Manual MM 1291 Revised 05 14 G 1 Introduction LDW Windshield Mounting Bracket This component has the following features Figure 1 3 e Dimensions 3 15 x 1 69 x 0 28 80 x 43 x 7 mm W x Hx D e Weight 0 66 Ib 30 g e Cast aluminum with matte black finish e Attaches to windshield using pressure sensitive adhesive e Optional low profile bracket design allows application of bracket at windshield supplier 4010098a Figure 1 3 LDW Mounting Bracket A copy of the OnLane LDW Driver s Guide can be downloaded at Meritor com Figure 1 4 OnLane Lane Departure Warning System The system lane change the system provides ps rumble strip noise to inform the lertness Warning DAW detects erratic or degraded driving eaving behavior within the driving lane fithin the lane is associated with driver and distraction The DAW system the drivers Alertness Index based upon p of degraded driving A unique warning hdible beep will be issued by the DAW the drivers Alertness Index falls below ermined threshold After the DAW system warning the driver should NOT continue to the vehicle until the distraction is eliminated This Driver Tips Guide applies to trucks and tractors equipped with the OnLane Lane Departure Warning System with SafeTraK technology by Takata OnLane
40. uit Descriptions and Diagnostics Green LDW Enabled Indicator Amber LDW Not Available Indicator LDW Switch Input Left Turn Signal Input Right Turn Signal Input Left Audio Warning Output Right Audio Warning Output Brake Switch Input section 3 Component Replacement Procedures New Installation of the LDW System Replacing a New LDW Module on an Existing Bracket Replacing a Complete LDW Module and Bracket Wiring Harness Installation OnLane Connecting Wiring Harness to Vehicle Wiring Verifying Correct System Operation OnLane Circuit Mode Test OnLane Test Mode Faults Description The OnLane Lane Departure Warning LDW System employs a camera mounted near the upper center of the windshield that observes the vehicle s position in its lane In the event of a unintentional lane change the system alerts the operator of the possible unintended event by sounding audible warnings through a set of speakers Figure 1 1 4010095a Figure 1 1 The system operates automatically when the vehicle is moving on a roadway with painted lane markings It identifies intentional lane changes by monitoring the turn signals brake switch and vehicle speed The optional alertness and warning feature also assists the operator by providing an audible warning when a predetermined amount of lane drift or speed fluctuation has been exceeded System performance may be degraded or completely disabled under these conditions e Dirty or da
41. wear safety eye protection when you perform vehicle maintenance or service 44 WARNING Park the vehicle on a level surface Block the wheels to prevent the vehicle from moving Support the vehicle with safety stands Do not work under a vehicle supported only by jacks Jacks can slip and fall over Serious personal injury and damage to components can result Procedures New Installation of the LDW System The procedure for installing a new LDW system will vary depending on the vehicle in which the unit is being installed Each vehicle may have slightly different routing and wiring requirements Before securing the bracket to the windshield note that the locations of the mounting screws on the bracket are not tapped We recommend that you install the bracket to the LDW module before installing it in the vehicle Use the self tapping mounting screws of the LDW module to start the threads for the mounting screws on the bracket This action will allow for easier installation of the LDW module to the bracket once the bracket is installed to the windshield The LDW system should only be installed on a windshield when the glass temperature is within the recommended range between 0 100 F 21 37 C Do not apply the bracket if the windshield temperature is below 60 F 15 C 1 Loosen the headliner and A pillar trim panels as outlined in the vehicle service manual to allow room to route the wiring behind the header panel and down the
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