Nissan Altima (L32) 2007-2012 Service Manual: Symptom diagnosis
UNBALANCE STEERING WHEEL TURNING
FORCE (TORQUE VARIATION)
Description
• Hard steering when fully turning the steering wheel.
• Light steering when driving at a high speed.
Diagnosis Procedure
1.CHECK SYSTEM FOR POWER SUPPLY AND GROUND
Perform trouble diagnosis for power supply and ground circuit. Refer to
STC-6, "Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace damaged parts.
2.CHECK SYSTEM FOR VEHICLE SPEED SIGNAL
Perform trouble diagnosis for vehicle speed signal. Refer to STC-13,
"Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK SYSTEM FOR ENGINE SPEED SIGNAL
Perform trouble diagnosis for engine speed signal. Refer to STC-10,
"Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace damaged parts.
4.CHECK SYSTEM FOR POWER STEERING SOLENOID VALVE
Perform trouble diagnosis for power steering solenoid valve. Refer to STC-8,
"Diagnosis Procedure".
Is the inspection result normal?
YES >> Perform the symptom diagnosis for the steering system. Refer to ST-3,
"NVH Troubleshooting
Chart".
NO >> Repair or replace damaged parts.
POWER STEERING CONTROL UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
CAUTION:
When using circuit tester or oscilloscope to measure voltage for inspection, be
sure not to extend for ...
Precautions for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT
PRE-TENSION ...
Other materials: System malfunction
If the RAB system malfunctions, it will be
turned off automatically, the RAB system
warning light will illuminate, and the "Malfunction:
See Owner’s Manual" warning
message will appear in the vehicle information
display and a chime will sound.
Action to take
If the warning light illuminates, park ...
RearView Monitor system operation
With the ignition switch in the ON position,
move the shift lever to the R (Reverse) position
to operate the RearView Monitor.
How to read the displayed lines
Guiding lines which indicate the vehicle
width and distances to objects with reference
to the vehicle body line A are displayed
on the monit ...
Programming trouble-diagnosis
If the HomeLink does not quickly learn the
hand-held transmitter information:
Replace the hand-held transmitter batteries
with new batteries.
Position the hand-held transmitter with
its battery area facing away from the
HomeLink surface.
Press and hold both the HomeLink and
hand-held transmi ...