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Home >> Infiniti >> 2016 >> QX70 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 182 (Automatic Drive Positioner (DTC/Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Power Supply And Ground Circuit >> Driver Seat Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK FUSIBLE LINK

    Check that the following fusible link is not fusing.

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

    Is the fusible link blown (open) ?

    YES 

    Replace the blown (open) fuse 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 driver seat control unit connector.
    3. Check voltage between driver seat control unit harness connector and ground.
    (+) (-) Voltage (V)
    Driver seat control unit
    Connector Terminals
    B602 33 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 driver seat control unit harness connector and ground.

    Driver seat control unit Ground Continuity
    Connector Terminal
    B602 43 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair or replace harness.

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