LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/Surround) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Av Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK FUSE

    Check that the following fuses are not blown.

    Terminal No. Signal name Fuse No.
    68 Ignition signal 29 (5A)
    19 Battery power supply 15 (15A)
    7 ACC power supply 65 (10A)

    Are the fuses blown?

    YES 

    Replace the blown fuse after repairing the affected circuit.

    NO 

    GO TO STEP 2  .

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connectors M161 and M163.
    3. Check voltage between AV control unit connectors and ground.
      AV control unit Ground Condition Voltage
      (Approx.)
      Connector Terminal
      M163 68 - Ignition switch: ON Battery voltage
      M161 7 Ignition switch: ACC
      19 Ignition switch: OFF

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness or connectors.

  3. CHECK GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check continuity between AV control unit connector M161 terminal 20 and ground.
      AV control unit Ground Continuity
      Connector Terminal
      M161 20 - Yes

    Is the inspection result normal?

    YES 

    Inspection End.

    NO 

    Repair or replace harness or connectors.