Nissan Maxima Service and Repair Manual: Power supply and ground circuit

Diagnosis Procedure

1.CHECK GROUND CONNECTION-I

  1. Turn ignition switch OFF.
  2. Check ground connection E9. Refer to Ground Inspection

2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I

  1. Disconnect ECM harness connector.
  2. Check the continuity between ECM harness connector and ground.
  3. Also check harness for short to power.

Nissan Maxima. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I

3.DETECT MALFUNCTIONING PART

Check the following.

  • Harness connectors E11, F2
  • Harness for open or short between ECM and ground

4.CHECK ECM POWER SUPPLY CIRCUIT-I

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-I

  1. Reconnect ECM harness connector.
  2. Turn ignition switch OFF and then ON.
  3. Check the voltage between ECM harness connectors.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-I

5.DETECT MALFUNCTIONING PART

Check the following.

  • IPDM E/R connector E18
  • 10 A fuse (No. 35)
  • Harness for open or short between ECM and fuse

6.CHECK ECM POWER SUPPLY CIRCUIT-II

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-II

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Check the voltage between ECM harness connectors.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-II

7.CHECK ECM POWER SUPPLY CIRCUIT-III

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-III

  1. Turn ignition switch ON.
  2. Check the voltage between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-III

8.CHECK INTERMITTENT INCIDENT

9.CHECK ECM POWER SUPPLY CIRCUIT-IV

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-IV

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Check the voltage between ECM harness connectors.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-IV

10.CHECK ECM POWER SUPPLY CIRCUIT-V

  1. Disconnect ECM harness connector.
  2. Disconnect IPDM E/R harness connector.
  3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
  4. Also check harness for short to ground and short to power.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-V

11.CHECK 15 A FUSE

  1. Disconnect 15 A fuse (No. 42) from IPDM E/R.
  2. Check 15 A fuse.

12.CHECK ECM POWER SUPPLY CIRCUIT-VI

  1. Disconnect ECM harness connector.
  2. Disconnect IPDM E/R harness connector.
  3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
  4. Also check harness for short to ground and short to power.

Nissan Maxima. CHECK ECM POWER SUPPLY CIRCUIT-VI

13.DETECT MALFUNCTIONING PART

Check the following.

  • Junction block connectors E44, E45
  • Harness for open or short between ECM and IPDM E/R

14.CHECK INTERMITTENT INCIDENT

    Trouble diagnosis - specification value
    Description The specification (SP) value indicates the tolerance of the value that is displayed in "SPEC" of "DATA MONITOR" mode of CONSULT during normal operation of the Engine Control System. W ...

    U0101 can comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

    Other materials:

    Trunk lid
    TRUNK LID ASSEMBLY TRUNK LID ASSEMBLY : Removal and Installation CAUTION: Use two people when removing or installing trunk lid assembly due to its heavy weight. Use protective tape or shop cloths to protect surrounding components from damage during removal and installation of tr ...

    Predictive Forward Collision Warning (PFCW) (if so equipped)
    WARNING Failure to follow the warnings and instructions for proper use of the PFCW system could result in serious injury or death. The PFCW system can help warn the driver before a collision occurs but will not avoid a collision. It is the driver's responsibility to stay alert, drive sa ...

    Body sealing
    Description The following figure shows the areas which are sealed at the factory. Sealant which has been applied to these areas should be smooth and free from cuts or gaps. Care should be taken not to apply an excess amount of sealant and not to allow other unaffected parts to come into con ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0056