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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 >> Telescopic Motor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TELESCOPIC MOTOR POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect tilt & telescopic motor connector.
    3. Turn ignition switch ON.
    4. Perform "Active test" ("TELESCO MOTOR") with CONSULT.
    5. Check voltage between tilt & telescopic motor harness connector and ground.
      (+) (-) Condition Voltage (V)
      Tilt & telescopic motor
      Connector Terminals
      M28 10 Ground TELESCO MOTOR OFF 0 - 1
      FR (forward) 0 - 1
      RR (backward) 9 - 16
      4 OFF 0 - 1
      FR (forward) 9 - 16
      RR (backward) 0 - 1

    Is the inspection result normal?

    YES 

    Replace tilt & telescopic motor (built in steering column assembly).

    NO 

    GO TO STEP 2  .

  2. CHECK TELESCOPIC 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 26 M28 10 Existed
      29 4
    4. Check continuity between automatic drive positioner control unit harness connector and ground.
      Automatic drive positioner control unit Ground Continuity
      Connector Terminal
      M44 26 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.