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 av 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:
Condenser
Exploded view
Core support upper cover
High-pressure pipe
High-pressure flexible hose
Refrigerant pressure sensor
Condenser and liquid tank assembly
Core support upper
Front
Condenser
Condenser : removal and installation
REMOVAL
Discharge the refrigerant. Refer to HA-23, & ...
System description
Component parts
Component parts location
Ipdm e/r (contains ignition relay-1)
Bcm (view with instrument panel removed)
Fuse block (j/b) (front)
Fuse block (j/b) (back)
Blower relay
Ignition relay-2
Accessory relay-1
Push-button ignition switch
Component description
...
Removal and installation
Audio unit
Exploded view
Audio unit
Audio unit bracket (LH)
Audio unit bracket (rh)
Removal and installation
Removal
Disconnect the negative battery terminal. Refer to pg-50, "removal and
installation (battery)".
Remove cluster lid c lower. Refer to ip-20, "re ...
