Tech Tips (11)
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1. Q LEGACY TRANSIT D CHECK PLUG CONNECTORS The transit connector may no longer reside in its normal location Some have been observed in numerous locations above and in the area of the steering column In some cases the harness is lodged above the steering column in a somewhat inaccessible area Previously the connector was located on the RH side of the steering column and was easily accessed by reaching under the D panel Once the connector has been located it may be difficult to work the connector free the tape may not break and the wire may be pulled loose from the connector An effort is being made to see that the connector is relocated to its normal location In the meantime good hunting TT Z ens TSF SUBARU QUALITY KO Bom SERVICE CAUTION VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS Subaru Technical Support T I P S are intended for use by profes sional technicians ONLY They are written to inform those tech nicians of conditions that may occur in some vehicles or to pro vide information that could assist in the proper servicing of the vehicle Properly trained technicians have the equipment tools safety instructions and knowhow to do the job correctly and safely If a condition is described DO NOT assume that this Technical Support T 1 P S applies to your vehicle or that your vehicle will have2. are shut 2 Drive to an open level area away from large metallic objects or structures 3 Press and hold the left button for approximately 3 seconds until the word CAL is visible in the display then release the button This puts the compass into Calibration mode CAL and direction will be displayed 4 Drive slowly in a circle until CAL disappears from the display and then verify compass accuracy about two or three circles 5 The Compass is now calibrated Utilize this Calibration procedure in the future if circumstances cause the mirror to become inaccurate Note For further assistance in troubleshooting the mirror please reference Service Bulletin 15 105 01 TT Page 4 March April 2002 TechTIPS fone i Setting Button Figure 1 2 11 C I D NUMBER FOR REPROGRAMMING When calling the Subaru Technical Support Line concerning an ECM that may need to be reprogrammed have the Calibration Identification number C I D handy We will ask you for this number to make certain the ECM is in need of updating Some ECMs already contain the updated logic Obtaining the C I D number is easy 1 Turn the New Select Monitor on 2 Select Each System Check 3 Select Engine Control System 4 Engine type is shown press YES 5 Select OBD System 6 Select Getting of Vehicle Identification 7 The Calibration Identification number is shown as the f
3. improvements etc Please attach separate sheets if necessary You may also want to include Service Manual diagrams or references or your own drawings to assist in describing your suggestion All information submitted becomes the property of Subaru of America Inc Permission is granted to Subaru of America Inc to print your name and suggestions in T P S and other Subaru of America Inc publications Mail items to PO Box 6000 Cherry Hill NU 08034 6000 Your Name Signature Dealers Name _ gt Oi yi Date Dealer Code
4. of the connector This connector is located in the lower RH D pillar and can be accessed at the same location as the rear combination light TT FUSE 4 BLOW OUT continued from page 1 Left Area where the mirror harness becomes unseated Page 2 March April 2002 TechTIPS Below The Gusset screw that causes the circuit to short out Q DEALER CODE DEALER CODE DEALER CODE PLEASE have your SUBARU dealer code ready when calling the Technical Support Line We have been getting too many calls where there has been no dealer code given Granted as long as there is a phone number we don t need the dealer code to return your call However to establish a case that you did in fact call we must have your dealer code If for some reason you don t know your dealer code when calling please get it prior to our callback because we will ask you for it Our database is set up to locate the dealer and phone number based on the dealer code Omitting it delays our response time in getting back to you TT 2002MY LEGACY ATMOSPHERIC PRESSURE SOLENOID VALVE OPERATION A new component was introduced to the On Board Refueling Vapor Recovery ORVR system with the launch of the 2002 Legacy the Atmospheric Pressure Solenoid Valve The operation of this new component enhances the ECM s measurement of the fuel tank pressure while on board diagnostics are being performed During normal eng
5. are in good condition Turn off the Select Monitor and connect the communications cable in the slot that resembles a phone connection in the top of the Select Monitor Connect the other end to the port on the computer that will accept it Turn on the Select monitor and place the information that you want to print on the display screen Press the hold button if necessary On the computer click the icon that looks like a lightning bolt Now press the print key on the Select Monitor The desktop computer will indicate that it is collecting data After the data is displayed it can be printed or saved TT Page 5 March April 2002 TechTIPS Q FAX NUMBER CORRECTION Presidents Day The fax number listed in the last Monday February 18 2002 paragraph of the H6 Extended Memorial Day Crank Time article on page 2 of the Monday May 27 2002 January February TechTIPS is incorrect Independence Day It should be 856 xxx xxxx NOT Thursday July 4 2002 xxxx Please make the correction to Labor Day a ai Monday September 2 2002 Thanksgiving Thursday November 28 2002 Friday November 29 2002 Christmas Tuesday December 24 2002 Wednesday December 25 2002 New Year s Day Wednesday January 1 2003 TechTIPS INPUT amp SUGGESTIONS This is your chance to offer suggestions for use in future issues of Tech T P S MODEL YEAR VIN Description of situation encountered Your suggestion for repair procedure product
6. ine operation the Atmospheric Pressure Solenoid Valve is open exposing the backside of the Fuel Tank Pressure Sensor to atmosphere When the ECM decides to check the fuel tank pressure the solenoid valve closes which traps the atmospheric pressure from the backside of the Fuel Tank Pressure Sensor This will ensure that the atmospheric pressure remains constant The difference between the atmospheric pressure and the fuel tank pressure is displayed on the select monitor The sensor opens again after the diagnostic test so that changes in atmospheric pressure can be sensed Refer to 2002 Legacy Service Manual EC 10 and EC 11 for the location and removal procedure of the Atmospheric Pressure Solenoid Valve TT DTC P1591 2002MY IMPREZA WRX M T If you encounter a 2002 M T WRX with DTC P1591 check the harness for the transmission neutral switch Pay close attention to the harness where it goes above the reverse light switch on the transmission You re looking fora pinched and or cut wire If you check the applicable service manual for this code you ll see that it only has application to Automatic Transmission vehicles If you do find a M T vehicle with this code call the Technical Support Line with all the vehicle information Thanks to Harold Murray Continental Motors Co 140 192 Anchorage Alaska for this information TT Page 3 March April 2002 TechTIPS EC Compass Mirror Calibration Subaru s owner manual states that once
7. irst 8 digits of the 16 digit number on the screen SELECT MONITOR IMAGE LOADER SOFTWARE amp HARDWARE You will soon receive a new special tool from Kent Moore Part Number 22775AA050 Image Loader software and communications cable This software and cable will enable you to print and or save information that appears on the select monitor display screen The software must be loaded into a desktop or laptop computer that uses Windows 95 or newer Follow the directions on the software package for installing the Image Loader program Next you will need to configure the program for use Open the program and click on Communication and then Setup Make the following selections Port COM1 1 4 are available Baud Rate 38400 Stop Bit 1 Parity Bit None Click OK when these adjustments have been made The Image Loader program is now ready for use however the Select Monitor must be adjusted correctly to send information Connect the Select Monitor to a vehicle or power supply and turn on the Select Monitor From the Main Menu select item number 6 Function Setup Now Select item number 2 Interface Setup Make the following adjustments Baud Rate 38400 Data Bit 8bit Stop Bit 1bit Parity Check None Flow Control RTS CTS Com Type RS 232C Press the Yes key after making these adjustments The Select Monitor will maintain these settings in memory as long as the back up power supply batteries
8. oof panel The harness has no protection in this area and could become pinched TT Additional images can be found on the bottom of Page 2 07 Legacy Transit D Check Plug Connectors ji 07 Fuse 4 Bowe O tit es ee 1 amp 2 16 Phase 2 4EAT 1999MY to Present Repairs 2 02 Oil Filters H 4 Versus H 6 Engines EAEE EEE E E 2 07 Legacy Rear Wiper Operation 2 01 Dealer Code Dealer Code Dealer Code 3 11 2002MY Legacy Atmospheric Pressure Solenoid Valve Operation 3 11 DTC P1591 2002MY Impreza WRX M T 3 15 EC Compass Mirror Calibration 4 14 Select Monitor Image Loader Software amp Hardware 5 11 C D Number for Reprogramming 5 01 FAX Number Correction 6 PHASE 2 4EAT 1999MY TO PRESENT REPAIRS Over the last few months we have become aware of several units new and remanufactured with the transmission oil pan dented causing it to break the line pressure duty solenoid on the valve body Our investigation found even a slight dent on the pan could cause the connector to fall or break off any one of the seven solenoids depending on the location of the impact Any damage to the unit caused b
9. that condition Impreza Legacy Justy Loyale Outback Forester Subaru SVX WRX L L Bean Quality Driven and The Beauty of All Wheel Drive are Registered Trademarks Q FUSE 4 BLOW OUT If you encounter a situation on a 2000MY 2002MY Legacy where the heated seats lighted visor mirrors Of power mirrors are inoperative check to see if fuse 4 is blown H 6 vehicles equipped with Automatic Climate Control will also experience a failure of this system should fuse 4 blow Investigation of this has shown that the power mirror wiring harness may be the cause The wiring TT Articles in This Issue Description Subaru Service Technical Support Line Monthly Newsletter harness for the power mirrors may have been routed incorrectly within the mirror housing This routing may cause the harness to rub and eventually pinch against the door gusset mounting screw Once the harness is pinched the insulation is cut and eventually blows the fuse Currently only the RH mirror is causing the problem but it can be assumed that the LH mirror may cause the same concern Replacing the fuse may or may not lead to a second immediate failure of the fuse In some cases the wire may move away from the gusset screw and the condition would then become an intermittent concern A secondary area to check is where the harness for the lighted visors travels through the r
10. the EC Compass Mirror is calibrated further calibration is not necessary When the mirror is first installed the letters CAL are shown on the display until the mirror has calibrated itself through normal driving However there may Calibration amp be circumstances where outside influences cause Button the mirror to begin operating inaccurately such as reading only one or a few directions To restore compass accuracy the following Zone and Calibration procedures Fig 1 1 should be followed Zone Setting 1 The Zone number is factory preset to Zone 8 Refer to Compass Zone Map Fig 1 2 to verify that the compass Zone setting is correct for your geographical location 2 Press and hold the right button for approximately 3 seconds until the word ZONE is visible in the display then release the button When the button is released the display will show ZONE and the current Zone number Press the right hand button eae to ce the display through all possible Zone numbers 1 15 Stop cycling when the correct Zone number for your geographical location is displayed 3 No button activity for approximately 4 seconds will exit the Zone setting mode The compass display will return to normal operation and the new Zone number will be set Calibration of the EC Compass Mirror 1 For optimum calibration switch off all nonessential electrical accessories A C blower wipers defrost etc and ensure all doors
11. y outside influences is not a matter for warranty and should be discussed with the customer prior to any repairs being made to their vehicle Keep in mind that other internal damage could be possible depending on the severity of the impact contamination caused by the impact and length of time driven after the impact TT Q OIL FILTERS H 4 VERSUS H 6 ENGINES H 4 engines come with an OEM P N 15208AA060 and the same number is used for replacement H 6 engines come with an OEM P N 15208AA031 and SOA5165109 is used as a replacement Both filters have the same physical dimensions as far as threads O ring and bypass valve opening pressure 23 p s i However the H 4 filter has 141 square inches of filtration surface and the H 6 filter has 201 square inches of filtration surface The H 4 filter should not be used on the H 6 engine Using the H 4 filter may cause it to become contaminated faster and allow the bypass valve to open allowing unfiltered oil to circulate through the engine Any resulting engine failure due to this condition would not be a matter for warranty TT LEGACY REAR WIPER OPERATION The symptom is the rear wiper will not complete its cycle when the switch is turned to the OFF The stops immediately regardless of its position position wiper on the glass The cause as you can see in the attached photo is either a pulled wire from the connector or in one other case the pin was pushed out
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