Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit
Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / Power Supply and Ground Circuit
CHECK FUSE
Check that the following fuses are not blown:
| Terminal No. | Signal name | Fuse No. | Capacity |
|---|---|---|---|
| 1 | Battery power supply | 25 | 10 A |
| 2 | ACC power supply | 7 | 10 A |
| 10 | Ignition signal | 29 | 10 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 TCU connector.
-
Check voltage between TCU connector and ground.
TCU Ground Condition Voltage
(Approx.)Connector Terminal M126 1 — Ignition switch: OFF Battery voltage 2 Ignition switch: ACC 10 Ignition switch: ON
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 TCU connector and ground.
TCU Ground Continuity Connector Terminal M126 28 — Yes 29
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness or connectors.
U1a10 Airbag Signal
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1A10
AIRBAG SIGNAL
(Airbag signal)
Diagnosis condition
When ignition switch is ON...
Other information:
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Autolight system
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.
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