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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wireless Charger (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Wireless Charger Unit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE 
    1. Check for blown:
      Power source Fuse No. Capacity
      Ignition switch ON or START 53 10 A

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Replace the blown fuse after repairing the affected circuit.

  2. CHECK IGNITION POWER SUPPLY CIRCUIT 
      1. Ignition switch ON.
      2. Check voltage between wireless charger unit harness connector and ground.
        (+) (-) Standard Reference value
        Wireless charger unit
        Connector Terminal
        M133 1 Ground 9.0 - 16.0 V Battery voltage

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Repair or replace wireless charger unit power supply harness.

  3. CHECK GROUND CIRCUIT 
      1. Ignition switch OFF.
      2. Disconnect wireless charger unit connector.
      3. Check continuity between wireless charger unit harness connector and ground.
        Wireless charger unit - Continuity
        Connector Terminal
        M133 4 Ground Yes

    Is the inspection result normal?

    YES>>

    Inspection End.

    NO>>

    Repair or replace wireless charger unit ground harness.