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REAR POWER SEAT CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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Tip:

  • Use the following procedures to troubleshoot the rear power seat control system.

  • *: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    INSPECT AUXILIARY BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.


    • NEXT
  3. Click here

    CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN communication system is functioning normally.

      Table 1. Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD) B
      CAN DTC is output (for RHD) C

      • B
      • Go to CAN COMMUNICATION SYSTEM (See pageClick here)
      • C
      • Go to CAN COMMUNICATION SYSTEM (See pageClick here)
      • A
  4. Click here

    CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the LIN communication system is functioning normally.

      Table 2. Result
      Result Proceed to
      LIN DTC is not output A
      LIN DTC is output B

      • B
      • Go to LIN COMMUNICATION SYSTEM (See pageClick here)
      • A
  5. Click here

    CHECK FOR DTC*


    1. Check for DTCs (see pageClick here).

    2. Clear the DTCs (see pageClick here).

    3. Recheck for DTCs (see pageClick here).

      Table 3. Result
      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs B

      • B
      • Go to DIAGNOSTIC TROUBLE CODE CHART (See pageClick here)
      • A
  6. Click here

    PROBLEM SYMPTOMS TABLE

    Table 4. Result
    Result Proceed to
    Fault is not listed in problem symptoms table A
    Fault is listed in problem symptoms B

    • B
    • Go to step 8
    • A
  7. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test (see pageClick here)

    2. Terminals of ECU (see pageClick here)

    3. Operation Check (see pageClick here)


      • NEXT
  8. Click here

    ADJUST, REPAIR OR REPLACE


    • NEXT
  9. Click here

    CONFIRMATION TEST


    • NEXT
    • END