Nissan Maxima Service and Repair Manual: ECU diagnosis information

POWER STEERING CONTROL UNIT

Reference Value

TERMINA LAYOUT

Nissan Maxima. TERMINA LAYOUT

PHYSICAL VALUES

Nissan Maxima. PHYSICAL VALUES

CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibly any connector terminals.

Fail Saf

EPS system

  • EPS system enters the fail-safe mode (that allows the steering
    force to be controlled without impairing the drive ability) if any of
    the input/output signals to/from EPS system (power steering control
    unit) deviate from the standard.
    NOTE:
    The system enters the fail-safe mode if the engine speed remains
    at 1,500 RPM or more for over 10 seconds while the vehicle is
    stopped. This is normal.
  • The fail-safe function is cancelled when a vehicle speed signal of 2
    km/h (1.2 MPH) or more is inputted or the key switch is turned
    OFF→ ON. EPS system restores the normal operation at that time

Nissan Maxima. EPS system

Nissan Maxima. EPS system

    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 ...

    Wiring diagram
    ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM Wiring Diagram ...

    Other materials:

    Daytime running light system
    The LED portion of the headlights automatically illuminate at 100% intensity when the engine is started and the parking brake released. The daytime running lights operate with the headlight switch in the OFF position. When you turn the headlight switch to the position for full illumination t ...

    Memory storage function
    Two positions for the driver's seat, steering column (if so equipped), and outside mirrors can be stored in the automatic drive positioner memory. Follow these procedures to use the memory system. 1. Place the ignition in the ON or ACC position (The vehicle should be stopped while setting ...

    U1300 AV comm circuit
    Description U1300 is indicated when a communication signal malfunction occurs. U1300 is indicated along with DTCs that identify components connected to the AV control unit through communication lines. Determine the possible malfunction cause from the table below. SELF-DIAGNOSIS RESULTS DISPL ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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