Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit. Av Control Unit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Navigation Without Bose / Dtc/circuit Diagnosis / Power Supply and Ground Circuit. Av Control Unit

Diagnosis Procedure

CHECK FUSE

Check that the following fuses are not blown:

Terminal No. Signal name Fuse No. Capacity
7 ACC power supply 7 10 A
17 Ignition power supply 29 10 A
19 Battery power supply 15 20 A

Are the fuses blown?

YES>>

Replace the blown fuse after repairing the affected circuit.

NO>>

GO TO 2.

CHECK POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect AV control unit connectors.

  3. Check voltage between AV control unit connectors and ground.

    AV control unit Ground Condition

    Voltage

    (Approx.)
    Connector Terminal
    M161 19 — Ignition switch: OFF Battery voltage
    7 Ignition switch: ON
    17

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness or connectors.

CHECK GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Check continuity between AV control unit connector 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.

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