Nissan Murano: Dtc/circuit Diagnosis / Optical Sensor Circuit
CHECK OPTICAL SENSOR SIGNAL
CONSULT
-
Ignition switch ON.
-
Select “OPTI SEN (DTCT)” in “Data Monitor” mode of “BCM(HEAD LAMP)”.
-
Turn lighting switch AUTO.
-
With the optical sensor illuminating, check the monitor status.
Monitor item Condition Voltage
(Approx.)OPTI SEN (DTCT) Optical sensor When illuminating 3.1 V or more * When shutting off light 0.6 V or less
*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.
Is the inspection result normal?
YES>>Optical sensor is normal.
NO>>Refer to Diagnosis Procedure.
CHECK OPTICAL SENSOR POWER SUPPLY
-
Ignition switch ON.
-
Turn lighting switch AUTO.
-
Check voltage between optical sensor harness connector and ground.
+ - Voltage
(Approx.)Optical sensor Connector Terminal M15 1 Ground 5 V
Is the inspection result normal?
YES>>GO TO 2.
NO>>GO TO 5.
CHECK OPTICAL SENSOR GROUND
-
Disconnect optical sensor connector
-
Check continuity between optical sensor harness connector and ground.
| Optical sensor | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M15 | 3 | Ground | Yes |
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 7.
CHECK OPTICAL SENSOR SIGNAL
-
Connect optical sensor connector.
-
Check voltage between optical sensor harness connector and ground.
| + | - |
Voltage (Approx.) | |
|---|---|---|---|
| Optical sensor | |||
| Connector | Terminal | ||
| M15 | 2 | Ground | 0.1 – 4.4 V |
Is the inspection result normal?
YES>>GO TO 8.
NO>>GO TO 4.
CHECK OPTICAL SENSOR SIGNAL CIRCUIT (SHORT)
-
Disconnect optical sensor connector and BCM connector M18.
-
Check continuity between optical sensor harness connector and ground.
| Optical sensor | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M15 | 2 | Ground | No |
Is the inspection result normal?
YES>>Replace optical sensor. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT (OPEN)
-
Ignition switch OFF.
-
Disconnect optical sensor connector and BCM connector.
-
Check continuity between optical sensor harness connector and BCM harness connector.
Optical sensor BCM Continuity Connector Terminal Connector Terminal M15 1 M18 3 Yes
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace harness.
CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT (SHORT)
Check continuity between optical sensor harness connector and ground.
| Optical sensor | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M15 | 1 | Ground | No |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK OPTICAL SENSOR GROUND CIRCUIT
-
Ignition switch OFF.
-
Disconnect optical sensor connector and BCM connector.
-
Check continuity between optical sensor harness connector and BCM harness connector.
Optical sensor BCM Continuity Connector Terminal Connector Terminal M15 3 M18 17 Yes
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK OPTICAL SENSOR SIGNAL CIRCUIT (OPEN)
-
Ignition switch OFF.
-
Disconnect optical sensor connector and BCM connector.
-
Check continuity between optical sensor harness connector and BCM harness connector.
Optical sensor BCM Continuity Connector Terminal Connector Terminal M15 2 M18 4 Yes
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harness.
Back-Up Lamp Circuit
Component Function Check
CHECK BACK-UP LAMP OPERATION
Start the engine.
With operating the CVT shift selector, check that the back-up lamp is turned ON...
Hazard Switch Circuit
Component Function Check
CHECK HAZARD SWITCH SIGNAL
CONSULT
Ignition switch ON.
Select “HAZARD SW” in “Data Monitor” mode of “BCM(FLASHER)”...
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: Types of tires
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Nissan Murano (Z52) 2015-2024 Service Manual: Harness
Harness Layout OUTLINERefer to Harness Layout.BODY HARNESSRefer to Harness Layout.BODY NO. 2 HARNESSRefer to Harness Layout.FRONT SEAT LH HARNESSRefer to Harness Layout.FRONT SEAT RH HARNESSRefer to Harness Layout.MOTION ACTIVATED BACK DOOR SUB-HARNESSRefer to Harness Layout...
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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.