Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit. Audio Unit
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
-
Ignition switch OFF.
-
Disconnect audio unit connector.
-
Check voltage between audio unit connector and ground.
Audio unit Ground Condition Voltage
(Approx.)Connector Terminal M121 7 — Ignition switch: ON Battery voltage 17 19 Ignition switch: OFF
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
CHECK GROUND CIRCUIT
-
Ignition switch OFF.
-
Check continuity between audio unit connector and ground.
Audio unit Ground Continuity Connector Terminal M121 20 — Yes
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness or connectors.
Rear View Camera Image Signal Circuit
Diagnosis Procedure
CHECK REVERSE INPUT SIGNAL
Ignition switch ON.
Shift the selector lever to R (reverse).
Check voltage between audio unit connector and ground...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Vehicle Can Communication Circuit
Diagnosis Procedure CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on Nissan Murano vehicle CAN communication system. Check terminals and connectors for damage, bend and loose connection...
Nissan Murano (Z52) 2015-2024 Service Manual: High Beam Assist System
System Description SYSTEM DIAGRAMSignal transmission function list Signal name Input Output Description Combination switch signal Combination switch (lighting and turn signal switch) BCM Transmits the combination switch signal to the BCM. Optical sensor signal Optical sensor BCM Transmits the optical sensor signal to the BCM...
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Fuel gauge
The gauge indicates the approximate fuel level in the tank.
The gauge may move slightly during braking, turning, acceleration, or going up or down hills.
The gauge needle returns to 0 (Empty) after the ignition switch is placed in the OFF position.
