Component Description

WARNING: This page is about a different car, the 2008 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

COMPONENT DESCRIPTION CHART

Part name	Description
Suspension control unit	Monitors height sensor input to determine vehicle height. Actuates the compressor motor relay or exhaust valve solenoid to raise or lower the vehicle accordingly. Sends a ground signal to the combination meter to activate the CK SUSP indicator lamp.
Suspension air compressor (with built in exhaust valve solenoid)	When the compressor is actuated, it pumps air into the system to raise the rear suspension. When the exhaust valve solenoid is actuated, it vents air from the system to lower the rear suspension.
Height sensor	Provides vehicle height input to the suspension control unit.