Nissan Sentra manuals

Nissan Sentra Service Manual: Power supply and ground circuit

Combination meter

COMBINATION METER : Diagnosis Procedure

Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".

1.Check fuses

Check that the following fuses are not blown.

Is the fuse blown?


Is the fuse blown? Yes >> replace the blown fuse after repairing the affected circuit.

No >> go to 2.

2.Power supply circuit check

Check voltage between combination meter harness connector m24 terminals 15, 27, 28 and ground

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness or connector.

3.Check ground circuit

Check continuity between combination meter harness connector m24 terminals 21, 22, 23 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> repair or replace harness or connector.

Bcm (body control system) (with intelligent key system)

Bcm (body control system) (with intelligent key system) : diagnosis procedure

Regarding wiring diagram information, refer to bcs-51, "wiring diagram".

1.Check fuses and fusible link

Check that the following fuses and fusible link are not blown.

Is the fuse blown?


Is the fuse blown? Yes >> replace the blown fuse or fusible link after repairing the affected circuit.

No >> go to 2.

2.Check power supply circuit

  1. Disconnect bcm connector m85.
  2. Check voltage between BCM connector M85 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3.

No >> repair harness or connector.

3.Check ground circuit

Check continuity between bcm connector m85 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> repair harness or connector.

Bcm (body control system) (without intelligent key system)

Bcm (body control system) (without intelligent key system) : diagnosis procedure

Regarding Wiring Diagram information, refer to BCS-111, "Wiring Diagram".

1.Check fuses and fusible link

Check that the following fuses and fusible link are not blown.

Is the fuse blown?


Is the fuse blown? Yes >> replace the blown fuse or fusible link after repairing the affected circuit.

No >> go to 2.

2.Check power supply circuit

  1. Turn ignition switch off.
  2. Disconnect bcm connectors.
  3. Check voltage between bcm connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair harness or connector.

3.Check ground circuit

Check continuity between BCM connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> repair harness or connector.

B2268 water temp
Description The engine coolant temperature signal is transmitted from ecm to the combination meter via can communication. Dtc logic Dtc detection logic Dtc Consult Detection condit ...

Steering switch (meter control switch) signal circuit
Diagnosis Procedure Regarding wiring diagram information, refer to mwi-28, "wiring diagram". 1.Check combination meter input signal Turn ignition switch on. Measure voltage between ...

Other materials:

Av branch line circuit
Diagnosis Procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the av control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result norma ...

Rear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside mirror (if so equipped), start the engine and push the rear window defroster switch on. The rear window defroster indicator light on the switch comes on. Push the switch again to turn the defroster off. The rear window defroster automatically ...

Audible reminders
Brake pad wear warning The disc brake pads have audible wear warnings. When a disc brake pad requires replacement, it makes a high pitched scraping sound when the vehicle is in motion, whether or not the brake pedal is depressed. Have the brakes checked as soon as possible if the warning sou ...

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