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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 >> Tilt Motor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TILT MOTOR POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect tilt & telescopic motor connector.
    3. Turn ignition switch ON.
    4. Perform "Active test" ("TILT MOTOR") with CONSULT.
    5. Check voltage between tilt & telescopic motor harness connector and ground.
      (+) (-) Condition Voltage (V)
      Tilt & telescopic motor
      Connector Terminals
      M28 7 Ground TILT MOTOR OFF 0 - 1
      UP 0 - 1
      DWN (down) 9 - 16
      3 OFF 0 - 1
      UP 9 - 16
      DWN (down) 0 - 1

    Is the inspection result normal?

    YES 

    Replace tilt & telescopic motor.

    NO 

    GO TO STEP 2  .

  2. CHECK TILT MOTOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect automatic drive positioner control unit.
    3. Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic motor harness connector.
      Automatic drive positioner control unit Tilt & telescopic motor Continuity
      Connector Terminal Connector Terminal
      M44 28 M28 7 Existed
      29 3
    4. Check continuity between automatic drive positioner control unit harness connector and ground.
      Automatic drive positioner control unit Ground Continuity
      Connector Terminal
      M44 28 Not existed
      29

    Is the inspection result normal?

    YES 

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

    NO 

    Repair or replace harness or connector.