Nissan Murano: Dtc/circuit Diagnosis / Combination Switch Input Circuit
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
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Ignition switch OFF.
-
Disconnect BCM connector and combination switch connector.
-
Check continuity between BCM harness connector and combination switch harness connector.
Combination switch signal BCM Combination switch Continuity Connector Terminal Connector Terminal INPUT 1 M19 79 M28 11 Yes INPUT 2 78 9 INPUT 3 77 7 INPUT 4 76 10 INPUT 5 75 13
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harness or connectors.
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM harness connector and ground.
| Combination switch signal | BCM | Ground | Continuity | |
| Connector | Terminal | |||
| INPUT 1 | M19 | 79 | No | |
| INPUT 2 | 78 | |||
| INPUT 3 | 77 | |||
| INPUT 4 | 76 | |||
| INPUT 5 | 75 | |||
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
CHECK BCM OUTPUT VOLTAGE
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Connect BCM connector and combination switch connector.
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Ignition switch ON.
-
Check voltage between BCM connector and ground.
(+) (–) Voltage Combination switch signal BCM Connector Terminal INPUT 1 M19 79 Ground Refer to Reference Value. INPUT 2 78 INPUT 3 77 INPUT 4 76 INPUT 5 75
Is the inspection result normal?
YES>>Replace the combination switch. Refer to Removal and Installation.
NO>>Replace BCM. Refer to Removal and Installation.
Power Supply and Ground Circuit
Diagnosis Procedure
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown:
Terminal Signal name Fuse or fusible link No...
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: BSW system limitations
WARNING Listed below are the system limitations for the BSW system. Failure to operate the vehicle in accordance with these system limitations could result in serious injury or death. The BSWsystem cannot detect all vehicles under all conditions...
Nissan Murano (Z52) 2015-2024 Service Manual: Main Power Supply and Ground Circuit
Diagnosis Procedure CHECK TCM POWER CIRCUIT (PART 1) Turn ignition switch OFF. Disconnect TCM connector. Check voltage between TCM harness connector terminals and ground. + − Voltage TCM Connector Terminal F25 45 Ground 10 – 16 V 46 Is the inspection result normal? YES>> GO TO 2...
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Front manual seat adjustment (if so equipped)
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