Nissan Sentra Service Manual: 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 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 ecm.
- Check the resistance between the ecm harness connector terminals.
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the ecm branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the ECM. Refer to EC-164, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the ECM. Refer to EC-485, "Removal and Installation".
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit.
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
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 electri ...
Other materials:
CVT Oil warmer
Exploded View
Transaxle assembly
O-ring
CVT oil warmer
CVT fluid
Removal and Installation
REMOVAL
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns
could occur from high pressure
coolant escaping from the radiator. Wrap a thick cloth around the cap ...
Brake booster
Exploded View
Master cylinder assembly
Brake booster
Lock nut
Clevis
Gasket
Spacer
Removal and installation
REMOVAL
Remove cowl top and cowl top extension. Refer to EXT-26, "Removal and
Installation".
Remove air duct and air cleaner case. Refer to EM-25, &qu ...
Repairing material
Foam Repair
During factory assembly, foam insulators are installed in certain body panels
and locations around the vehicle.
Use the following procedure(s) to replace any factory-installed foam insulators.
URETHANE FOAM APPLICATIONS
Use commercially available Urethane foam for sealant (foam m ...
