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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 >> Reclining Motor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK RECLINING MOTOR POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect reclining motor connector.
    3. Turn ignition switch ON.
    4. Perform "Active test" ("SEAT RECLINING") with CONSULT.
    5. Check voltage between reclining motor harness connector and ground.
      (+) (-) Condition Voltage (V)
      Reclining motor
      Connector Terminal
      B605 35 Ground SEAT RECLINING OFF 0 - 1
      FR (forward) 9 - 16
      RR (backward) 0 - 1
      39 OFF 0 - 1
      FR (forward) 0 - 1
      RR (backward) 9 - 16

    Is the inspection result normal?

    YES 

    Replace reclining motor (built in seat back frame).

    NO 

    GO TO STEP 2  .

  2. CHECK RECLINING MOTOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector.
    3. Check continuity between driver seat control unit harness connector and reclining motor harness connector.
      Driver seat control unit Reclining motor Continuity
      Connector Terminal Connector Terminal
      B602 35 B605 35 Existed
      39 39
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B602 35 Not existed
      39

    Is the inspection result normal?

    YES 

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

    NO 

    Repair or replace harness or connector.