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:

    Disk eject signal circuit
    Description The eject signal is output to AV control unit when the eject switch of A/C and AV switch assembly is pressed. Diagnosis Procedure 1.CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect A/C and AV switch assembly connector M98 and AV control un ...

    Diagnosis sensor unit
    Removal and Installation WARNING: Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. Before disconnecting the air bag sensor unit harness connector, be sure to disconnect the harness connector of each air bag module and pre-tens ...

    Basic inspection
    DIAGNOSIS AND REPAIR WORKFLOW Work Flow (With GR8-1200 NI) STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI To test the starting system, use the following special service tool:  GR8-1200 NI Multitasking battery and electrical diagnostic station NOTE: Refer to the diagnostic station Instru ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2021 Copyright www.nimainfo.com
    0.0158