C0320moderate severityChassis
Ride Height Sensor Circuit Front Left
on 2002 Infiniti QX4 3.3L V6 · RWD
What this code means
Malfunction in the front left ride height sensor used by the suspension control system.
Symptoms
- Suspension warning light
- Incorrect ride height at front left
- Vehicle may default to lowest setting
- Self-leveling headlights incorrect
Common causes
- Faulty ride height sensor
- Sensor linkage disconnected or bent
- Wiring damage
- Sensor corroded from road spray
Diagnostic steps
- Read ride height sensor value with scan tool
- Move sensor arm by hand and watch for signal change
- Inspect sensor linkage connection
- Check wiring and connector for damage
- Compare to other ride height sensors
Repair notes
Replace ride height sensor. Reconnect or replace linkage arm.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic