Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown:
| Terminal | Signal name | Fuse or fusible link No. | Capacity |
|---|---|---|---|
| 25 | Battery power supply (brake switch) | 10 | 10A |
| 26 | Battery power supply (shorting input) | 16 | 5A |
| 81 | Battery power supply (rear wiper) | 5 | 15A |
| 131 | Battery power supply | 1 | 10A |
| 138 | Battery power supply (rear door) | 4 | 15A |
| 139 | Battery power supply | L | 40A |
| 142 | Battery power supply (front door) | 3 | 15A |
Is the fuse or fusible link blown?
YES>>Replace the blown fuse or fusible link after repairing the affected circuit.
NO>>GO TO 2.
CHECK POWER SUPPLY CIRCUIT
-
Disconnect BCM connectors.
-
Check voltage between BCM harness connectors and ground.
(+) (–) Voltage
(Approx.)BCM Connector Terminal M18 25 Ground Battery voltage 26 M20 81 M81 131 138 139 142
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
| BCM | Ground | Continuity | |
| Connector | Terminal | ||
| M81 | 134 | Yes | |
| 143 | |||
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness or connectors.
B259a Room Lamp Fuse Blown
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B259A
ROOM LAMP FUSE BLOWN
(Room lamp fuse blown)
Diagnosis condition
When ignition switch ON...
Combination Switch Input Circuit
Diagnosis Procedure
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
Ignition switch OFF.
Disconnect BCM connector and combination switch connector.
Check continuity between BCM harness connector and combination switch harness connector...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: P0327 Ks
DTC Description DTC DETECTION LOGIC An excessively low voltage from the sensor is sent to ECM. An excessively high voltage from the sensor is sent to ECM. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0327 KNOCK SEN/CIRC-B1 (Knock sensor 1 circuit low bank 1) Diagnosis condition Start engine and let it idle Signal (terminal) Voltage signal transmitted from knock sensor to ECM Threshold An excessively low voltage from the sensor is sent to ECM Diagnosis delay time — P0328 KNOCK SEN/CIRC-B1 (Knock sensor 1 circuit high bank 1) Diagnosis condition Start engine and let it idle Signal (terminal) Voltage signal transmitted from knock sensor to ECM Threshold An excessively high voltage from the sensor is sent to ECM...
Nissan Murano (Z52) 2015-2024 Owners Manual: Emission control system maintenance
Drive belt*: Check engine drive belt for wear, fraying or cracking and for proper tension. Replace any damaged drive belt. Engine air filter: Replace at specified intervals. When driving for prolonged periods in dusty conditions, check/replace the filter more frequently...
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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.
