FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnosis

Refer to "DIAGNOSIS" in ELECTRONIC LEVEL CONTROL (ELC) (FOR VEHICLES W/O ELECTRONICALLY CONTROLLED SUSPENSION). All ELC diagnostic information in applies to the Commercial Chassis with the following exception:
^ Chart #1- Rear of Vehicle Low-Steps 21 and 23 show 690 kPa (100 psi) for the K passenger vehicle. This should be read as 828 kPa (12G psi) for the Commercial Chassis.