Nissan Maxima Service and Repair Manual: ECM branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

  1.  Turn the ignition switch OFF.

  2.  Disconnect the battery cable from the negative terminal.

  3.  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

  1.  Disconnect the connector of ECM.

  2.  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:

    P1225 TP sensor
    Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement. The throttle position sensor has two sensors. These sensors are a kind of potentiometer which transfor ...

    Child safety rear door lock
    Child safety locks help prevent the rear doors from being opened accidentally, especially when small children are in the vehicle. The child safety lock levers are located on the edge of the rear doors. When the lever is in the unlock position 2 , the door can be opened from the outside ...

    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: Read the following precautions when repairing HSS: Additional points to c ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0067