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:
Precaution
Precaution for supplemental restraint system (srs)
"air bag" and "seat belt pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
Continuously Variable Transmission (CVT) (if so equipped)
The ignition lock is designed so that the ignition
switch cannot be turned to the LOCK position
until the shift lever is moved to the P (Park)
position.
When moving the ignition switch to the
LOCK position, make sure the shift lever is in
the P (Park) position.
When removing the key ...
Vanity mirror lamp
Removal and installation
Caution:
Do not attempt to separate the vanity mirror lamp from the sun visor or
damage to the components
may occur.
Note:
The vanity mirror lamp is replaced as part of the sun visor. Refer to
int-40, "removal and installation".
Bulb or lens replacement
...
