RX400h · Service Manual BODY ELECTRICAL

HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

HINT:
  1. The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system.
    Use this procedure to troubleshoot the wireless door lock control system.
  2. The intelligent tester can be used at steps 4, 5, 8, 11 and 14.


1.VEHICLE BROUGHT TO WORKSHOP
    NEXT

    2.CUSTOMER PROBLEM ANALYSIS

    1. Interview the customer to confirm the trouble.

    NEXT

    3.PROBLEM SYMPTOM CONFIRMATION
      NEXT

      4.CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

      1. Check for output DTCs (Click here).

        HINT:
        The ECM of this system is connected to the multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.


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      5.DTC CLEAR
        NEXT

        6.PROBLEM SYMPTOM SIMULATION

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          7.SYMPTOM SIMULATION
            NEXT

            8.DTC CHECK (OTHER THAN MULTIPLEX SYSTEM DTC)

            1. Check for output DTCs (Click here).


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            9.DTC CHART
              NEXT

              10.PROBLEM SYMPTOMS TABLE
                NEXT

                11.CIRCUIT INSPECTION
                  NEXT

                  12.IDENTIFICATION OF PROBLEM
                    NEXT

                    13.ADJUSTMENT, REPAIR OR REPLACEMENT
                      NEXT

                      14.CONFIRMATION TEST
                        NEXT

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