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DISPLAY UNIT : Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FUSE

    Check for blown fuses.

    FUSE REFERENCE CHART

    Power source Fuse No.
    Battery 34

    Is the inspection result normal? 

    YES: Go to 2.

    NO: Be sure to eliminate cause of malfunction before installing new fuse.

  2. CHECK BATTERY POWER SUPPLY CIRCUIT

    Check voltage between display unit harness connector and ground.

    TERMINALS VOLTAGE REFERENCE CHART

    Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
    Battery power supply M75 11 OFF Battery voltage

    Is the inspection result normal? 

    YES: Go to 3.

    NO: Check harness between display unit and fuse.

  3. CHECK ACC POWER SUPPLY CIRCUIT

    Check voltage between display unit harness connector and ground.

    TERMINALS VOLTAGE REFERENCE CHART

    Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
    ACC power supply M75 23 ACC Battery voltage

    Is the inspection result normal? 

    YES: Go to 4.

    NO: Check harness between display unit and BCM.

  4. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect display unit connector.
    3. Check continuity between display unit harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      Signal name Connector No. Terminal No. Ignition switch position Continuity
      Ground M75 12 OFF Existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Repair harness or connector.