Nissan Maxima Service and Repair Manual: P0725 engine speed

Description

The engine speed signal is transmitted from ECM to TCM via CAN communication line.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION: Always drive vehicle at a safe speed.

NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.

Then wait at least 10 seconds before performing the next test.

1.CHECK DTC DETECTION

With CONSULT

  1.  Turn ignition switch ON.
  2.  Select "Data Monitor" in "TRANSMISSION".
  3.  Start engine and maintain the following conditions for at least 10 consecutive seconds.

Diagnosis Procedure

1.CHECK DTC WITH ECM

With CONSULT

  1.  Turn ignition switch ON.
  2.  Perform "Self Diagnostic Results" in "ENGINE".

2.CHECK DTC WITH TCM

With CONSULT

Perform "Self Diagnostic Results" in "TRANSMISSION".

3.DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.

    P0720 output speed sensor
    Description The secondary speed sensor detects the revolution of the CVT output shaft and emits a pulse signal. The pulse signal is transmitted to the TCM, which converts it into vehicle speed. ...

    P0730 incorrect gear ratio
    Description TCM selects the gear ratio using the engine load (throttle position), the primary pulley revolution speed, and the secondary pulley revolution speed as input signals. Then it changes ...

    Other materials:

    System description
    FRONT WIPER AND WASHER SYSTEM System Diagram System Description OUTLINE The front wiper is controlled by each function of BCM and IPDM E/R. Control by BCM Combination switch reading function Front wiper control function Control by IPDM E/R Front wiper control function Relay con ...

    Front door speaker
    Removal and Installation REMOVAL Remove the front door finisher. Refer to INT-18, "Removal and Installation". Remove the front door speaker screws (A). Disconnect the harness connector from the front door speaker (1) and remove. Remove the front door speaker spacer screws ...

    Trunk opener request switch
    Description Performs trunk lid open request when it is pressed. Component Function Check 1. CHECK FUNCTION With CONSULT Check trunk opener request switch REQ SW -BD/TR in Data Monitor mode. Diagnosis Procedure 1. CHECK TRUNK OPENER REQUEST SWITCH OUTPUT SIGNAL Turn ignition switch ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0117