Nissan Maxima Service and Repair Manual: System description
EPS SYSTEM
System Diagram
CONTROL DIAGRAM
System Description
- The EPS system controls the power steering solenoid valve
through the power steering control unit. - The valve driving voltage to control the power steering solenoid
valve varies according to the vehicle speed.
OPERATION PRINCIPLE
During Parking (When Turning The Steering Wheel To The Right)
- Power steering solenoid valve is closed while a vehicle is stopped.
- Pinion "1R", "2R" and "3R" are closed depending on steering torque of steering wheel.
- Oil pressure "P" in the gear housing assembly is the sum of oil
pressures occurring in "2R" and "3R". This
results in a light steering force because of high pressure.
During High-speed Operation
- Power steering solenoid valve is opened during high-speed operation.
- Pinion "1R", "2R" and "3R" are closed depending on steering torque of steering wheel.
- Oil pressure "2R" does not occur because the power steering solenoid valve is on full throttle.
- Oil pressure "P" in the gear housing assembly includes only oil pressure
occurring in "3R" and results in a
heavy steering force.
Component Parts Location
- Power steering control unit M59
(view with glove box removed) - Power steering solenoid valve E14
Component Description
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer complaints before inspection. First
of all, reproduce s ...
Other materials:
Unlocking doors
1. Carry the Intelligent Key.
2. Push the door handle request switch.
3. The door on which the request switch was
pressed will unlock and the hazard warning
lights flash once, the outside buzzer sounds
once, and the front and tail lights will turn on
for 30 seconds.
4. Push the door ...
Front door switch (driver side)
Description
Detects front door LH open/close condition.
Component Function Check
1. CHECK FUNCTION
Select "DOOR SW-FL" in "DATA MONITOR" mode with CONSULT.
Check the front door switch signal under the following conditions
Diagnosis Procedure
1. CHECK FRONT DOOR SWITCH LH CIRCUIT
...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front ...
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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