Nissan Maxima Service and Repair Manual: Power steering solenoid valve
Description
Power steering solenoid valve controls the power steering oil pressure in the gear housing assembly.
Diagnosis Procedure
1.CHECK POWER STEERING SOLENOID VALVE SIGNAL
- Start engine.
- Check voltage between power steering control unit connector
M59 terminal 1 and ground
2.CHECK HARNESS BETWEEN POWER STEERING SOLENOID VALVE AND POWER STEERING CONTROL UNIT FOR OPEN
- Turn ignition switch OFF.
- Disconnect power steering solenoid valve connector.
- Disconnect power steering control unit connector.
- Check continuity between power steering solenoid valve connector
E14 (A) terminals 1, 2 and power steering control unit
connector M59 (B) terminal 1, 5.
3.CHECK HARNESS BETWEEN POWER STEERING SOLENOID VALVE AND POWER STEERING CONTROL UNIT FOR SHO
- Check continuity between power steering solenoid valve connector
E14 terminals 1, 2 and ground. - Turn ignition switch ON.
- Check voltage between power steering solenoid valve connector
E14 terminals 1, 2 and ground.
4.CHECK POWER STEERING SOLENOID VALVE
Perform power steering solenoid valve component inspection.
5.CHECK TERMINALS AND HARNESS CONNECTORS
- Check power steering control unit pin terminals for damage or loose connection with harness connector.
- Check power steering solenoid valve pin terminals for damage or loose connection with harness connector.
Component Ins
1.POWER STEERING SOLENOID VALVE RESISTANCE CHECK
- Turn ignition switch OFF.
- Disconnect power steering solenoid valve connector.
- Check resistance between power steering solenoid valve terminals
1 and 2
Check power steering solenoid valve by listening for its operation
sound
while applying battery voltage to power steering solenoid
valve terminal 1
(positive) and battery ground to terminal 2 (negative).
Power supply and ground circuit
Description
EPS system functions by ignition power supply.
Diagnosis Procedure
1.CHECK POWER SUPPLY
Turn the ignition switch OFF.
Disconnect power steering control unit connector.
Turn th ...
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 ...
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Interior room lamp control system
System Diagram
System Description
OUTLINE
Interior room lamps* are controlled by interior room lamp timer
control function of BCM.
*:Front room/map lamp assembly, foot lamps and
rear personal lamps (when front room/map lamp assembly switch is in DOOR
position).
Trunk room lamp is ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cu ...
Headlamp
System Diagram
System Description
Control of the headlamp system is dependent upon the position of the
combination switch (lighting and turn signal switch). When the lighting
switch is placed in the 2nd position, the BCM (body control module) receives
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Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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