Diagnostic Procedure

Diagnosis of the AAS system requires use of the DRB II diagnostic readout tool and an air suspension software cartridge. A volt/ohmmeter can be used for some testing. Follow manufacturer's instructions for use of the DRB II.
1. Connect DRB II to diagnostic connector under drivers's side dash panel. Once connected, the tester will conduct a complete check of AAS system status and list the steps to follow to access and diagnose the failure.
2. Perform diagnostic procedures as shown on 1993 models.
3. After procedure is completed, perform verification test as shownDIAGNOSTIC CHARTS.