DO148 CAN Test Box User's Guide
Contents
1. D vehicle DLC Pin 4 Signal GND vehicle DLC Pin 5 Appropriate LEDs for the CAN data protocol in use for the vehicle being tested use the pulsating LEDs to identify the CAN protocol Test Vehicle Example Mazda CX7 Image shows CTB LEDs POWER 5 blue 16 red ON wer and ground e operational Image shows CTB L High and 14 CAN Lov uses SAE J2284 protocol and is in wake up mode 5 11183 can Test Box CTB Scan Tool Pass Thru Connector The CTB is equipped with a 16 pin Pass Thru which allows the user to connect a scanner generic or OEM for the purpose of systems scan data monitoring or systems activation Connect the CTB cable DLC to the vehicle g DLC Connect the scan tool cable DLC to the CTB Pass Thru Connector Scan Tool Data Display CTB Pass Thru to Scan Tool Cable Connection CTB 16 Pin Pass Thru Connector Connect CTB Scan Tool and simultaneously monitor CTB LEDs and Scan Tool Data 5 11183 can Test Box CTB Oscilloscope Connection The CTB allows the user to connect any compatible oscilloscope enabling the capture of oscilloscope waveforms of bus signal data The CTB terminal pin ports are accessible with standard 4 mm jacks The CTB Probe Lead Kit utilises high quality shielded probes and leads 4 mm banana jacks CTB connection and standard BNC connectors oscilloscope connection As bus signal data is very fast it is recommended that a qu2. Quick Start NOTICE 1 Important As active LED signals may have the potential to interfere with CAN data package Signals we do not recommend the CTB be connected to late model CAN protocol vehicles under the following conditions i With a scan tool attached whilst driving the vehicle during or under road test conditions ii CTB left connected to the vehicle DLC OBDII connector while road testing or left connected to the vehicle for extended periods of time 2 Important Only use external test devices such as probes oscilloscopes or diagnostic equipment with more than 1 megaohm of input impedance 3 Important Do not connect the CTB when performing any vehicle re flash or reprogramming procedures with scan tool or pass thru programming devices connected Failure to observe this can cause control module failure or damage Important Do not use the CTB to power any external test devices in excess of 1 2 amps 5 Important Use caution at all times when probing the 16 pin DLC breakout connection panel Bridging pins e g pin 16 POWER to any other pin could result in serious vehicle electrical or computer damage 6 Important The working and operating voltage of the CTB is 12 V to 32 V DC Under no circumstances should the CTB be used on any vehicle which has a higher operating voltage or the CTB unit will be permanently damaged 7 Important Care should be taken not to drop the CTB onto the OBD female end or to use exce
3. ality oscilloscope is used for bus signal data capture CTB 4 mm Terminal Pin Ports_ CTB Probe Lead Kit Tos y Quai Gr ee BNC Vans ms lt Q sr De ar SEN A gt e AN O hi CTB 4 mm Pin Port my u 2 s S PC Oscilloscope BNC Connectors 5 11183 can Test Box CTB Oscilloscope Connection Connect the CTB cable DLC to the vehicle DLC Connect one end of a CTB probe lead BNC to the oscilloscope Connect the opposite end of the probe 4 mm jack to the CTB Pin Port of the appropriate CTB LED selected for oscilloscope waveform data capture Connect the probe ground black lead to CTB LED Pin Port either 4 Chassis GND or 5 Signal GND Power up the oscilloscope and set up the system as necessary for signal data gathering Use 2 channels to observe CAN High and CAN Low signal data CTB Probe 4 mm Connection CTB Connected to Vehicle DLC OP mu CTB Probe Lead BNC Scope Connection Oscilloscope Waveform Capture PC oscilloscope shown with CTB to scope connections and waveform capture 5 11183 can Test Box CTB Scan Tool and Oscilloscope Connections Vehicle DLC im 10 CAN Test Box Connection Schematic PC USB Connection Automotive Oscilloscope CAN Low u 5 5 0 50 2 5 5 u 5 5 2 u T A I Signal Ground a uU 5 5 5 5 5 5 5 5 E u I Scan Tool Connection WARNING Observe workshop safet
4. ing in connection with the sale or the failure of the CAN Test Box to perform in accordance with stated specifications DISCLAIMER Please note when using the CTB as a scan tool extension lead protocol interference may be possible on some vehicle manufacturers when entering into some ECU s IMPORTANT CTB should not be attached when reading or clearing fault codes or during any programming adaption or special functions when used in conjunction with a scan tool 5 11183 can Test Box CTB components CTB Interface Inlay Panel LEDs backlit numbered amp colour coded Breakout Pin Connections 4 mm Jack 2 5m Extension Cable OBD Scan Tool Pass Thru Probe Lead Kit Connector BNC to 4 mm Protective Boot CTB Interface Panel 5 11183 can Test Box The interface panel utilises numbered backlit LEDs which illuminate when signal data is present on the corresponding LED line Pulsing LEDs indicate signals being pulled alternately high and low CTB LEDs correspond to vehicle DLC Data Link Connector Pins 1 16 O LEDs 1 4 GREEN O LEDs 5 8 BLUE LEDs 9 12 YELLOW LEDs 13 16 RED O CTB POWER LED RED CTB LED Description When the CTB is interfaced with the vehicle DLC Data Link Connector and if there is signal data present on a pin of the DLC the corresponding CTB LED will be activated indicating the presence of vehicle DLC pin signal data ya Oe RN Par Onze a E A a ry POT R p
5. r MEET T u a i OLE O 1 485A O 5 Signal GND 9 485B O 13 future SIGNAL upgrade O 2 Bus Line O 6 CAN High of 10 Bus Line O 14 CAN Low of J1850 SAE J2284 J1850 SAE J2284 O 3 future upgrade 7 K Line of 11 Clock 15 L Line of 1S09141 2 ISO9141 2 amp keyword 2000 keyword 2000 4 Chassis GND GROUND O 8 future upgrade 12 future upgrade O 16 Batt Voltage Supply 4 Manufacturer s proprietary information 5 11183 can Test Box CTB 2 5m Extension Cable DLC Fast Check OBD Connector The CTB utilises a 2 5 metre shielded extension cable with Fast Check ODB Connector This allows the CTB to connect with the vehicle DLC for viewing and operation of the CTB away from enclosed areas The CTB incorporates diode fuse protection for Pin 5 Signal Ground plus Polyswitch Fusing for Pins 4 amp 16 Chassis Ground amp Batt CTB 2 5m Cable A and En Sue ay Fast Check OBD Connector E of a a va A CTB Cable DLC Connect CTB cable DLC d to vehicle DLC 5 11183 can Test Box CTB LED Monitoring Establish CTB LED display by connecting the CTB cable DLC to the vehicle DLC Data signals present on the vehicle DLC will illuminate the corresponding CTB panel LEDs Of primary importance is the illumination of CTB LEDs CTB POWER CTB is powered up Batt vehicle DLC Pin 16 Chassis GN
6. ssive force when connecting a scan tool as the CTB 16 pin female DLC connector may be pushed in or broken This is deemed to be operator abuse and is not a warrantable item Failure to observe these warnings may result in vehicle CTB or scan tool damage or incorrect test results Product Use Limitations Warranty Disclaimer Pico Technology supplies the CAN Test Box CTB product for a number of intended uses Please refer to the product label for the intended use statements for specific product applications Pico Technology warrants upon delivery and for a period of 12 months unless otherwise stated from the date of delivery that the Goods will be free from defects in material and workmanship Pico Technology shall not be liable for a breach of the warranty if the defect has been caused by fair wear and tear wilful damage negligence abnormal working conditions or failure to follow Pico Technology s spoken or written advice on the storage installation commissioning use or maintenance of the Goods or if no advice has been given good trade practice or if the Customer alters or repairs such Goods without the written consent of Pico Technology In no event shall Pico Technology be liable for claims for any other damages whether direct incidental foreseeable consequential or special including but not limited to loss of use revenue or profit whether based upon warranty contract tort including negligence or strict liability aris
7. y practices 5 11183 can Test Box OBD II Connector Pin Designation OBD II Connector Note IS09141 2 amp ISO 14230 keyword 2000 use the same pinout so you cannot distinguish between the two by simply examining the connector Connect and use the CTB Monitor the LED indicators for protocols activity to identify the network structure in use CTB and CAN Bus system diagnostics Manufacturer s Proprietary Bus Line of J1850 Manufacturer s Proprietary Chassis Ground 1 2 3 4 5 Signal Ground 6 CAN High of SAE of J2284 7 K Line of IS09141 2 amp keyword 2000 8 Manufacturer s Proprietary 9 Manufacturer s Proprietary 10 Bus Line of SAE J1850 11 Clock Proprietary 12 Manufacturer s Proprietary 13 Manufacturer s Proprietary 14 CAN Low of SAE J2284 15 L Line of ISO 9141 2 amp keyword 2000 16 Battery Power 4 amp max Please note Some vehicles may require connection of a scan tool prior to connecting the CAN Test Box This is necessary as a scan tool may be needed to log on as a communication node of the CAN Bus system Without scan tool recognition the system will not transmit signal data to the CTB and therefore connection of the CTB may result in failure of the CTB interface LEDs to operate when performing a diagnosis 11 May 2013 DO148 3
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