Nissan Maxima Service and Repair Manual: P1722 vehicle speed

Description

The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) 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 5 consecutive seconds.

ACC PEDAL OPEN : 1.0/8 or less

VEHICLE SPEED : 30 km/h (19 MPH) or more

Diagnosis Procedure

1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT

Perform "Self Diagnostic Results" in "ABS".

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.

    P1709 incompleted data writing
    Description When TCM does not store calibration data (individual characteristic value) of each solenoid valve that is stored in the ROM assembly (in the control valve), a malfunction is detected. ...

    P1723 speed sensor
    Description The secondary speed sensor detects the revolution of parking gear and generates a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle speed. The prima ...

    Other materials:

    System maintenance
    The two radar sensors 1 for the BSW and RCTA systems are located near the rear bumper. Always keep the area near the radar sensors clean. The radar sensors may be blocked by temporary ambient conditions such as splashing water, mist or fog. The blocked condition may also be caused b ...

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

    System description
    STARTING SYSTEM System Diagram System Description The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates. Component Description ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2019 Copyright www.nimainfo.com
    0.0107