Nissan Maxima Service and Repair Manual: Vehicle speed signal circuit

Description

Combination meter sends vehicle speed signal to power steering control unit.

Diagnosis Procedure

1.PERFORM COMBINATION METER SELF-DIAGNOSIS

Perform combination meter self-diagnosis.

2.CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR OPEN

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR OPEN

  1. Turn the ignition switch OFF.
  2. Disconnect combination meter connector.
  3. Disconnect power steering control unit connector.
  4. Check continuity between combination meter connector M24 (A)
    terminal 30 and power steering control unit connector M59 (B)
    terminal 8.

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR OPEN

3.CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT

  1. Check continuity between combination meter connector M24
    terminal 30 and ground.
  2. Turn ignition switch ON.
  3. Check voltage between combination meter connector M24 terminal
    30 and ground.

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT

Nissan Maxima. CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT

4.CHECK VEHICLE SPEED SIGNAL (COMBINATION METER SIDE)

  1. Turn the ignition switch OFF.
  2. Connect combination meter connector.
  3. Check combination meter input/output standard values.

5.CHECK VEHICLE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)

Nissan Maxima. HECK VEHICLE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)

  1. Turn the ignition switch OFF.
  2. Connect power steering control unit connector.
  3. Start the engine.
  4. Check signal between power steering control unit connector
    M59 terminal 8 and ground with oscillosco

Nissan Maxima. HECK VEHICLE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)

6.CHECK TERMINALS AND HARNESS CONNECTORS

  1. Check power steering control unit pin terminals for damage or loose connection with harness connector.
  2. Check combination meter pin terminals for damage or loose connection with harness connector.
    Engine speed signal circuit
    Description ECM sends engine speed signal to power steering control unit. Diagnosis Procedure 1.PERFORM ECM SELF-DIAGNOSIS With CONSULT Perform ECM self-diagnosis. 2.CHECK HARNESS BETWEEN ECM AN ...

    ECU diagnosis information
    POWER STEERING CONTROL UNIT Reference Value TERMINA LAYOUT PHYSICAL VALUES CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibl ...

    Other materials:

    Can communication circuit
    Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. 2.CHECK HARNESS CON ...

    Variable induction air system
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION In the medium speed range, the power valves are closed. Under this condition, the pressure waves of the ...

    Front combination lamp
    Disassembly and Assembly EXPLODED VIEW Front combination lamp Halogen bulb (low beam) Halogen bulb socket (low beam) Side marker lamp bulb Side marker lamp socket Front turn signal lamp socket Front turn signal lamp bulb Halogen bulb socket (high beam) Halogen bulb (high ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0083