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:

    Floor mats
    WARNING To avoid potential pedal interference that may result in a collision, injury or death: NEVER place a floor mat on top of another floor mat in the driver front position. Use only Genuine NISSAN floor mats specifically designed for use in your vehicle model. For additional in ...

    Service data and specifications (SDS)
    SERVICE DATA AND SPECIFICATIONS (SDS) General Specifications Brake Pedal Check Valve Brake Booster Front Disc Brake Rear Disc Brake ...

    Active ride control
    This system senses upper body motion (based on wheel speed information) and controls engine torque and four wheel brake pressure. This will enhance ride comfort in effort to restrain uncomfortable upper body movement when passing over undulated road surfaces. This system comes into effect abov ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0066