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:

    Steering knuckle
    Removal and Installation Steering knuckle Splash guard Wheel hub and bearing Cotter pin REMOVAL Remove the front wheel hub and bearing. Refer to FAX-7, "Removal and Installation". Remove the steering linkage from the steering knuckle. Refer to ST-26, "Removal and Insta ...

    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. DTC Inspection Priority Chart If some DTCs are displayed at the same time, perform inspections one b ...

    Manual function
    MANUAL FUNCTION : System Diagram MANUAL FUNCTION : System Descriptio OUTLINE The driving position (seat, steering column and door mirror position) can be adjusted manually with power seat switch, ADP steering switch and door mirror remote control switch. OPERATION PROCEDURE Turn igni ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.008