Nissan Sentra Service Manual: Abs 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 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
- Disconnect the connector of abs actuator and electric unit (control unit).
- Check the resistance between the ABS actuator and electric unit (control unit) harness connector terminals.
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
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 ipdm e/r for damage, ben ...
Other materials:
Wiring diagram
CVT Control system
Wiring Diagram
CVT Shift lock system
Wiring Diagram
...
Basic inspection
Diagnosis and repair workflow
Trouble diagnosis flow chart
Trouble diagnosis procedure
Interview with customer
Interview with the customer is important to detect the root cause of can
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosi ...
Passenger compartment
CAUTION
Never use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not operate,
check for an open fuse.
NOTE:
The fuse box is located on the driver’s side
of the ...
