Nissan Maxima Service and Repair Manual: 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 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
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:
Emission control system warranty
Your NISSAN vehicle is covered by the following
emission warranties:
For USA
1. Emission Defects Warranty
2. Emissions Performance Warranty
Details of this warranty may be found with other
vehicle warranties in your Warranty Information
Booklet which comes with your NISSAN vehicle.
If you ...
BCM 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 BCM for damage, bend and loose
connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...
The ICC switch
The system is operated by the
CRUISE switch and four control
switches,
all mounted on the steering wheel.
1. DISTANCE switch:
Changes the vehicle's following distance:
Long
Middle
Short
2. RES+ switch:
Resumes set speed or increases speed incrementally.
3. CANCEL switch:
D ...
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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