Nissan Maxima Service and Repair Manual: ECM branch line circuit

Nissan Maxima Service and Repair Manual / Power outlet / Lan system / DTC/circuit diagnosis / ECM branch line 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 loose connection (unit side and connector side).

Models without automatic drive positioner

ECM
Harness connector E30
Harness connector M1

Models with automatic drive positioner

ECM
Harness connector E29
Harness connector B10

2.CHECK HARNESS FOR OPEN CIRCUIT

Disconnect the connector of ECM.
Check the resistance between the ECM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".

Is the inspection result normal?

Main line between A-bag and ABS circuit

Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals ...

ADP branch line circuit

Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals ...

Other materials:

Wiring diagram
TIRE PRESSURE MONITORING SYSTEM Wiring Diagram ...

The fuel gauge pointer does not move to "F" when refueling
Description The fuel gauge needle will not move to "F" position when refueling. Diagnosis Procedure 1.OBSERVE FUEL GAUGE Does it take a long time for the pointer to move to FULL position? 2.IDENTIFY FUELING CONDITION Was the vehicle fueled with the ignition switch ON? 3.OBSERVE VEHICLE PO ...

Intelligent key system
Wiring Diagram ...

Nissan Maxima Service and Repair Manual: ECM branch line circuit

Main line between A-bag and ABS circuit

ADP branch line circuit

Other materials:

Nissan Maxima Owners Manual

Nissan Maxima Service and Repair Manual