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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 >> DTC B2113: Reclining Motor >> Diagnosis Procedure

Diagnosis Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON.
    2. Check "Self diagnostic result" with CONSULT.
    3. Erase the DTC.
    4. Perform DTC confirmation procedure. Refer to DTC DESCRIPTION .

    Is the DTC displayed again?

    YES 

    GO TO STEP 2. 

    NO 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

  2. CHECK RECLINING MOTOR CIRCUIT (POWER SHORT)

    1. Turn ignition switch OFF.
    2. Disconnect reclining motor and driver seat control unit connector.
    3. Check voltage between reclining motor harness connector and ground.
    (+) (-) Voltage (V)
    (Approx.)
    Reclining motor
    Connector Terminals
    B605 39 Ground 0
    35

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness or connector.

  3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

    1. Connect driver seat control unit connector.
    2. Check voltage between driver seat control unit harness connector and ground.
    (+) (-) Voltage (V)
    Driver seat control unit
    Connector Terminals
    B602 39 Ground 0 - 1
    35

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

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

  4. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END.

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