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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Automatic Drive Positioner (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Automatic Drive Positioner Control Unit >> Diagnosis Procedure

Diagnosis Procedure

NOTE:

Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT.

  1. CHECK FUSE

    Check that the following fusible link is not blown (open).

    Signal name Fuse No.
    Battery power supply M (40 A)

    Is the fusible link blown (open)?

    YES 

    Replace the blown (open) fusible link after repairing the affected circuit if a fusible link is blown (open).

    NO 

    GO TO STEP 2  .

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect automatic drive positioner control unit connector.
    3. Check voltage between automatic drive positioner control unit harness connector and ground.
    (+) (-) Voltage (V)
    Automatic drive positioner control unit
    Connector Terminals
    M44 25 Ground 9 - 16

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK GROUND CIRCUIT

    Check continuity between the automatic drive positioner control unit harness connector and ground.

    Automatic drive positioner control unit Ground Continuity
    Connector Terminal
    M44 30 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair or replace harness.