Nissan Murano: Power Supply and Ground Circuit / Moonroof Motor Assembly
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BCM supplies the moonroof motor assembly with power.
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CPU is integrated in moonroof motor assembly.
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Tilts up/down & slides open/close by moonroof switch operation.
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In order to close the moonroof during high speed driving, the Combination meter will send a speed signal to the moonroof CPU to adjust the torque of the motor during the tilt-down operation.
CHECK MOONROOF MOTOR FUNCTION
Does the tilt up/down & slide open/close functions operate normally with moonroof switch?
Is the inspection result normal?
YES>>Moonroof motor assembly is OK.
NO>>Refer to Diagnosis Procedure.
CHECK POWER SUPPLY CIRCUIT
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Ignition switch OFF.
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Disconnect the moonroof motor assembly connector.
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Ignition switch ON.
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Check voltage between moonroof motor assembly harness connector and ground.
(+) (–) Voltage
(Approx.)Moonroof motor assembly Connector Terminal R4 1 Ground Battery voltage 6
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harness.
CHECK GROUND CIRCUIT
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Ignition switch OFF.
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Check continuity between moonroof motor assembly harness connector and ground.
Moonroof motor assembly — Continuity Connector Terminal R4 5 Ground Yes
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
CHECK MOONROOF SWITCH INPUT SIGNAL
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Connect moonroof motor assembly.
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Ignition switch ON.
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Check voltage between the moonroof motor assembly connector and ground.
(+) (–) Condition Voltage
(Approx.)Moonroof motor assembly Connector Terminals R4 7 Ground Moonroof switch is operated
TILT DOWN or SLIDE OPEN0 V Other than above Battery voltage 8 Moonroof switch is operated
TILT UP or SLIDE CLOSE0 V Other than above Battery voltage
Is the inspection result normal?
YES>>GO TO 6.
NO>>GO TO 4.
CHECK MOONROOF SWITCH CIRCUIT
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Ignition switch OFF.
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Disconnect the moonroof motor assembly connector and moonroof switch connector.
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Check continuity between the moonroof motor assembly harness connector and moonroof switch harness connector.
Moonroof motor assembly Moonroof switch Continuity Connector Terminal Connector Terminal R4 7 R9 1 Yes 8 8 -
Check continuity between the moonroof motor assembly harness connector and ground.
Moonroof motor assembly — Continuity Connector Terminal R4 7 Ground No 8
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness.
CHECK MOONROOF SWITCH GROUND CIRCUIT
Check continuity between the moonroof switch harness connector and ground.
| Moonroof switch | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| R9 | 6 | Ground | Yes |
Is the inspection result normal?
YES>>Refer to Component Inspection.
NO>>Repair or replace harness.
CHECK COMBINATION METER SIGNAL
Check the signal between the moonroof motor assembly harness connector and ground with oscilloscope.
| (+) | (-) | Condition |
Signal (Reference value) | |
|---|---|---|---|---|
| Moonroof motor assembly | ||||
| Connector | Terminal | |||
| R4 | 4 | Ground | Speedometer operated [When Nissan Murano vehicle speed is approx. 25 MPH (40 km/h)] |
|
Is the inspection result normal?
YES>>Replace moonroof motor assembly. Refer to Removal and Installation.
NO>>GO TO 7.
CHECK COMBINATION METER CIRCUIT
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Ignition switch OFF.
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Disconnect combination meter connector and moonroof motor assembly connector.
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Check continuity between combination meter harness connector and the moonroof motor assembly harness connector.
Combination meter Moonroof motor assembly Continuity Connector Terminal Connector Terminal M24 38 R4 4 Yes -
Check continuity between the combination meter harness connector and ground.
| Combination meter | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M24 | 38 | Ground | No |
Is the inspection result normal?
YES>>Replace combination meter. Refer to Removal and Installation.
NO>>Repair or replace harness.
Sunshade Motor Assembly
Description
BCM supplies the sunshade motor assembly with power.
CPU is integrated in sunshade motor assembly.
Slide open/close controlled by the sunshade switch operation...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Calibration of Decel G Sensor
Description CAUTION: Always perform the decel G sensor calibration before driving when the following operation is performed: NOTE: Yaw rate/side/decel G sensor calibration is performed when performing the decel G sensor calibration. ×: Required —: Not required Procedure Decel G sensor calibration Removing/ installing ABS actuator and electric unit (control unit) — Replacing ABS actuator and electric unit (control unit) × Removing/installing steering components — Replacing steering components × Removing/installing suspension components — Replacing suspension components × Removing/installing tire — Replacing tire × Tire rotation — Adjusting wheel alignment × Work Procedure Decel G sensor calibrationCAUTION: Always use CONSULT for the decel G sensor calibration...
Nissan Murano (Z52) 2015-2024 Service Manual: Intelligent Key System Symptoms
Diagnosis Procedure NOTE: Perform the self diagnosis result with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. SYMPTOM TABLE 1 (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS) No. Door lock operation (remote keyless entry) Door lock operation (request switch) or back door open operation (opener switch of back door panel) Engine started with ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna) Engine started with ignition switch operation (registered Intelligent Key placed next to ignition switch) Symptom 1 OK OK No start No start Diagnosis Procedure 2 OK NG OK OK Diagnosis Procedure 3 OK NG No crank, No start OK Diagnosis Procedure 4 NG NG No crank, No start OK Diagnosis Procedure 5 NG NG No start No start Diagnosis Procedure 6 OK OK No crank, No start OK Diagnosis Procedure 7 NG OK OK OK Diagnosis Procedure 8 NG NG OK OK Diagnosis Procedure 9 Poor range OK OK OK Diagnosis Procedure SYMPTOM TABLE 2 (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY) No...
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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.