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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, 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 motor connector.
    3. Turn Ignition Switch ON.
    4. Perform "Active test" ("TILT MOTOR") with CONSULT.
    5. Check voltage between tilt motor harness connector and ground.

      (+)

      (-)

      Condition

      Voltage (V)

      (Approx.)

      Tilt motor

      Connector

      Terminals

      M48

      1

      Ground

      TILT MOTOR

      OFF

      0

      UP

      0

      DWN (down)

      12

      2

      OFF

      0

      UP

      12

      DWN (down)

      0

    Is the inspection result normal?

    YES

    Replace tilt motor (built in steering column assembly).

    NO

    GO TO 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 motor harness connector.

      Automatic Drive Positioner Control Unit

      Tilt motor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M52

      28

      M48

      1

      Existed

      29

      2

    4. Check continuity between Automatic Drive Positioner Control Unit harness connector and ground.

      Automatic Drive Positioner Control Unit

      Ground

      Continuity

      Connector

      Terminal

      M52

      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.