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: How to use the remote keyless entry
function
(remote
engine start) button
(lock)
button
(unlock)
button
(trunk)
button
(panic)
button
The remote keyless entry function can operate
all door locks using the remote keyless
function of the Intelligent Key. The remote
keyless function can operate at a
distance of 33 ft (10 m) ...
FM/AM radio
Display screen
PUSH SOUND button / TUNE-SCROLL
knob
BACK button
MENU button
AUDIO button
(SEEK/TRACK) buttons
VOL (volume) knob / PUSH
(power)
button
For additional information, see "Audio operation
precautions" regarding all
operation precautions in this section.
Audio main op ...
Steering wheel switch for audio control
Menu control switch/ OK
button
(back) switch
(SEEK/TRACK) buttons
Volume control switch
SEEK/TRACK buttons
For most audio sources, pushing the tuning
switches for more than 1.5 seconds
provides a different function than pushing
for less than 1.5 seconds.
AM and FM:
Press theorbuttons
f ...