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: Rear-facing child restraint installation
using LATCH
For additional information, see all Warnings
and Cautions in the "Child safety"
and "Child restraints" before installing
a child restraint.
Do not use the lower anchors if the combined
weight of the child and the child restraint
exceeds 65 lbs. (29.5 kg). If the combined
weight of the child and the ...
Speedometer and odometer
This vehicle is equipped with a speedometer
and odometer. The speedometer is
located on the right side of the meter
cluster. The odometer is located within the
vehicle information display.
5 inch (13 cm) Type A (if so equipped)
Speedometer
The speedometer indicates vehicle speed.
7 inch (18 cm) Ty ...
Operating range
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range.
When the Intelligent Key battery is almost
discharged or strong radio waves are present
near the operating location, the Intelligent
Key system’s operating range becomes
narrower and ...