Nissan Sentra manuals

Nissan Sentra Service Manual: Abs branch line circuit

Diagnosis procedure

1.Check connector

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the abs actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair the terminal and connector.

2.Check harness for open circuit

  1. Disconnect the connector of abs actuator and electric unit (control unit).
  2. Check the resistance between the abs actuator and electric unit (control unit) harness connector terminals.

Is the measurement value within the specification?


Is the measurement value within the specification? Yes >> go to 3.

No >> repair the abs actuator and electric unit (control unit) branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to BRC-62, "Diagnosis Procedure".

Is the inspection result normal? YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".

YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.

NO >> Repair the power supply and the ground circuit.

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Other materials:

Reporting safety defects
For USA If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying NISSAN. If NHTSA receives similar complaints, it may open an inv ...

Periodic maintenance
Road wheel Inspection ALUMINUM WHEEL Check tires for wear and improper inflation. Check wheels for deformation, cracks and other damage. If deformed, remove wheel and check wheel runout. Remove tire from aluminum wheel and mount wheel on a balancer machine. Set dial indicator as ...

Precaution
Precautions for Trouble Diagnosis Caution: Follow the instructions listed below. Failure to do this may cause damage to parts: Never apply 7.0 V or more to the measurement terminal. Use a tester with open terminal voltage of 7.0 V or less. Turn the ignition switch off and disconnect the ...

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