Nissan Murano: Defogger :: Dtc/circuit Diagnosis / Rear Window Defogger Relay
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window defogger switch ON.
Is the inspection result normal?
YES>>Rear window defogger relay power supply circuit is OK.
NO>>Refer to Diagnosis Procedure.
CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
-
Ignition switch ON.
-
Check voltage between BCM connector and ground.
(+) (–) Condition Voltage
(Approx.)BCM Connector Terminal M19 61 Ground Rear window defogger switch ON 0 V OFF Battery voltage
Is the inspection result normal?
YES>>Rear window defogger power supply circuit is OK.
NO>>GO TO 2.
CHECK HARNESS CONTINUITY
-
Ignition switch OFF.
-
Disconnect BCM connector and fuse block (J/B) connector.
-
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
BCM Fuse block (J/B) Continuity Connector Terminal Connector Terminal M19 61 M4 6P Yes
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay. Refer to Component Inspection.
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Replace rear window defogger relay.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
| Rear window defogger relay | Condition | Continuity | |
|---|---|---|---|
| Terminal | |||
| 3 | 5 | 12 V direct current supply between terminals 1 and 2 | Yes |
| No current supply | No | ||
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace rear window defogger relay.
Rear Window Defogger Switch
Component Function Check
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the rear window defogger indicator lamp illuminates when the rear window defogger switch is ON...
Rear Window Defogger Power Supply and Ground Circuit
Component Function Check
CHECK REAR WINDOW DEFOGGER
Check that the rear window defogger heating wire is heated when the rear window defogger switch is turned ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: U0102 Lost Communication (transfer)
DTC Description DTC DETECTION LOGICWhen the ignition switch is ON, TCM is unable to receive the CAN communications signal from AWD control unit continuously for 2 seconds or more. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U0102 LOST COMM (TRANSFER) (Lost Communication With Transfer Case Control Module) Diagnosis condition When the ignition switch is ON Signal CAN communication signal Threshold TCM is unable to receive the CAN communications signal from AWD control unit Diagnosis delay time Continuously for 2 seconds or more POSSIBLE CAUSE AWD control unit Harness or connector (CAN communication line is open or shorted) FAIL-SAFENot changed from normal driving DTC Confirmation Procedure PREPARATION BEFORE WORK If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test...
Nissan Murano (Z52) 2015-2024 Service Manual: P0130 A/f Sensor 1
DTC Description DTC DETECTION LOGICTo judge malfunctions, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control. The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx...
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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.