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:

    IPDM-E branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRCUIT ...

    P0444, P0445 evap canister purge volume control solenoid valve
    Description The EVAP canister purge volume control solenoid valve is used to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel ...

    Seat belt extenders
    If, because of body size or driving position, it is not possible to properly fit the lap/shoulder belt and fasten it, an extender that is compatible with the installed seat belts is available for purchase. The extender adds approximately 8 in (200 mm) of length and may be used for either the ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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