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.

Ecm 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 ECM for damage, bend and ...

Ipdm-e branch line circuit
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Other materials:

Pandora® audio (if so equipped)
The vehicle’s audio system is capable of playing audio streaming through a compatible, USBconnected audio device using the Pandora® music service. Connecting a device for use with Pandora® audio Devices capable of streaming Pandora® audio can be connected to the vehicle’s audio system ...

DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT Description Refer to lan-7, "can communication system : system description". Dtc logic Dtc detection logic Note: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symp ...

Additional service when replacing ecm
Description When replacing ECM, the following procedure must be performed. (For details, refer to EC-135, "Work Procedure".) PROGRAMMING OPERATION NOTE: After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the procedure to perform t ...

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