Nissan Sentra manuals

Nissan Sentra Service Manual: Power supply and ground circuit

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.

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.

Dtc/circuit diagnosis
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Battery saver output/power supply circuit
Description Provides the battery saver output/power supply. Also cuts the power supply when the interior lamp battery saver is activated. Component function check 1.Check battery saver output/po ...

Other materials:

Tire dressings
NISSAN does not recommend the use of tire dressings. Tire manufacturers apply a coating to the tires to help reduce discoloration of the rubber. If a tire dressing is applied to the tires, it may react with the coating and form a compound. This compound may come off the tire while driving and ...

Brake fluid
Drain and Refill CAUTION: Do not spill or splash brake fluid on painted surfaces. Brake fluid may damage paint. If brake fluid is splashed on painted areas, wash it away with water immediately. Prior to repair, turn the ignition switch OFF, disconnect the ABS actuator and electric uni ...

Voice commands
Voice commands can be used to operate the Bluetooth® Hands-Free Phone System. Press the button and say “Phone� to bring up the phone command menu. The available options are: Call Phonebook Recent Calls Send Text Read Text Select Phone “Call� For more information on ...

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