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:

    Removal and installation
    EXHAUST SYSTEM Exploded View Front exhaust tube Ring gasket Front exhaust tube stay Front exhaust tube bracket Gasket Center exhaust tube rubber hanger Center exhaust tube Center exhaust tube hanger Rear muffler bracket (RH) Rear muffler (RH) Rear muffler bracket (LH) ...

    ECU diagnosis information
    A/C AUTO AMP Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT MONITOR ITEM A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP. Fail-Safe FAIL-SAFE FUNCTION If a communication error exists between the A/C auto amp., the AV ...

    Normal operating condition
    Description NOTE: For Navigation system operation information, refer to Navigation system Owner's Manual. BASIC OPERATIONS NOTE: Locations stored in the Address Book and other memory functions may be lost if the vehicle's battery is disconnected or becomes discharged. If thi ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0124