Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
- SUSPENSION CONTROL UNIT POWER AND GROUND INSPECTION
Check the suspension control unit power and ground supply. Refer to "SUSPENSION CONTROL UNIT: DIAGNOSIS PROCEDURE ".
Does the suspension control unit power and ground pass inspection?
YES: GO TO 2.
NO: Repair or replace the malfunctioning part.
- CHECK HEIGHT SENSOR SIGNAL INPUT
CONSULT DATA MONITOR
- Turn ignition ON.
- Select "HEIGT SEN" of AIR LEVELIZER data monitor item.
- Check the monitor status.
HEIGT SEN: 0.2V - 4.8V
Is the height sensor voltage normal?
YES: GO TO 3.
NO: Check height sensor signal circuit. Refer to "DIAGNOSIS PROCEDURE ".
- EXHAUST VALVE SOLENOID CIRCUIT INSPECTION
Check the exhaust valve solenoid circuit. Refer to "COMPONENT FUNCTION CHECK ".
Does the exhaust valve solenoid circuit pass inspection?
YES: Inspect for a restriction in the system, repair or replace the malfunctioning part.
NO: Repair or replace the malfunctioning part.