LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE 
    1. Turn ignition switch OFF.
    2. Check that any of the following fuse is blown (open).

      Unit

      Location

      Fuse No.

      Capacity

      AFS control unit

      Fuse block (J/B)

      3

      10 A

    Is the fuse blown (open)?

    YES

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

    NO

    GO TO 2.

  2. CHECK AFS CONTROL UNIT POWER SUPPLY 
    1. Disconnect AFS control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between AFS control unit harness connector and ground.

      +

      -

      Voltage

      AFS control unit

      Connector

      Terminal

      E70

      12

      Ground

      9 - 16 V

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK AFS CONTROL UNIT GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check continuity between AFS control unit harness connector and ground.

      AFS control unit

      --

      Continuity

      Connector

      Terminal

      E70

      11

      Ground

      Existed

    Is the inspection result normal?

    YES

    Power supply and ground circuit are normal.

    NO

    Repair or replace harness.