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 dlc and hvac circuit
Diagnosis Procedure
1.Check harness continuity (open circuit)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connector ...
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:
Compass display (if so equipped)
This unit measures terrestrial magnetism and indicates
heading direction of vehicle.
With the ignition switch in the ON position, press
the button as described in the
chart below
to activate various features of the automatic antiglare
rearview mirror.
For more information about the au ...
Service data and specifications
(sds)
General Specification
Drive Belt
Spark Plug
*:Always check with the Parts Department for the latest parts information.
Exhaust Manifold
Camshaft
VALVE LIFTER
VALVE CLEARANCE
*: Approximately 80В°C (176В°F)
AVAILABLE VALVE LIFTER
*:Always check with the P ...
Precautions in repairing high strength steel
High strength steel (HSS)
High strength steel is used for body panels in order to reduce vehicle
weight.
Accordingly, precautions in repairing automotive bodies made of high strength
steel are described below:
Tensile strength
Nissan/Infiniti designation
Major applicable parts
...
