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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Suspension Control System - Suspension Leveling (ESCM)) >> Diagnostic Information and Procedures >> DTC C0660 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, command the Automatic Level Control (ALC) exhaust solenoid valve ON and OFF with a scan tool. The exhaust solenoid valve should turn ON and OFF with each command.