Nissan Maxima Service and Repair Manual: P0605 ECM

Description

Nissan Maxima. Description

The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine

DTC Logic

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A

  1. Turn ignition switch ON.
  2. Check 1st trip DTC.

3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B

  1. Turn ignition switch ON and wait at least 1 second.
  2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
  3. Check 1st trip DTC.

4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

  1. Turn ignition switch ON and wait at least 1 second.
  2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
  3. Repeat step 2 for 32 times.
  4. Check 1st trip DTC.

Diagnosis Procedure

1.INSPECTION START

  1. Turn ignition switch ON.
  2. Erase DTC.
  3. Perform DTC CONFIRMATION PROCEDURE.

2.REPLACE ECM

  1. Replace ECM
    P0603 ECM power supply
    Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value me ...

    P0607 ECM
    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:

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    Chassis and body maintenance
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    Intelligent key system/engine start function symptoms
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    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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