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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Automatic Drive Positioner (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Power Window Main Switch >> Changeover Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CHANGEOVER SWITCH INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect power window main switch (door mirror remote control switch) connector.
    3. Turn ignition switch ON.
    4. Check voltage between power window main switch (door mirror remote control switch) harness connector and ground.
      (+) (-) Voltage (V)
      Power window main switch (door mirror remote control switch)
      Connector Terminal
      D55 23 Ground 4 - 6
      28

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK CHANGEOVER SWITCH CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect automatic drive positioner control unit connector.
    3. Check continuity between automatic drive positioner control unit harness connector and power window main switch (door mirror remote control switch) harness connector.
      Automatic drive positioner control unit Power window main switch (door mirror remote control switch) Continuity
      Connector Terminal Connector Terminal
      M43 2 D55 28 Existed
      14 23
    4. Check continuity between automatic drive positioner control unit harness connector and ground.
      Automatic drive positioner control unit Ground Continuity
      Connector Terminal
      M43 2 Not existed
      14

    Is the inspection result normal?

    YES 

    Replace automatic drive positioner control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  3. CHECK POWER WINDOW MAIN SWITCH (DOOR MIRROR REMOTE CONTROL SWITCH) GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check continuity between power window main switch (door mirror remote control switch) harness connector and ground.
    Power window main switch (door mirror remote control switch) Ground Continuity
    Connector Terminal
    D8 7 Existed

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. CHECK CHANGEOVER SWITCH

    Check changeover switch on power window main switch (door mirror remote control switch).

    Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Replace power window main switch (door mirror remote control switch). Refer to REMOVAL AND INSTALLATION .

  5. CHECK INTERMITTENT INCIDENT

    Check intermittent incident.

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END