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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 >> Lifting Switch (Rear) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK LIFTING SWITCH (REAR) SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect power seat switch connector.
    3. Turn ignition switch ON.
    4. Check voltage between power seat switch harness connector and ground.
    (+) (-) Voltage (V)
    Power seat switch
    Connector Terminals
    B603 11 Ground 9 - 16
    27

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK LIFTING SWITCH (REAR) CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector.
    3. Check continuity between driver seat control unit harness connector and power seat switch harness connector.
      Driver seat control unit Power seat switch Continuity
      Connector Terminal Connector Terminal
      B601 11 B603 11 Existed
      27 27
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B601 11 Not existed
      27

    Is the inspection result normal?

    YES 

    Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness or connector.

  3. CHECK LIFTING SWITCH (REAR)

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Replace power seat switch. Refer to REMOVAL AND INSTALLATION .

  4. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END

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