Diagnostic Procedure
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- If SIR diagnostic system check has been performed, go to next step. If SIR diagnostic system check has not been performed, go to SIR DIAGNOSTIC SYSTEM CHECK .
- Turn ignition off. If air bags have deployed, go to step 5. If air bags have not deployed, go to next step.
- Inspect front of vehicle and undercarriage for signs of impact. If impact has occurred, go to step 5. If no impact has occurred, go to next step.
- Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM) under REMOVAL & INSTALLATION. Go to step 6.
- Connect scan tool to Data Link Connector (DLC), located under left side of instrument panel. Turn ignition on. Using scan tool, request SIR DTC display. If history DTC exists, go to Diagnostic aids for specific displayed DTC. Replace components and perform inspections as required following an accident. See POST-COLLISION INSPECTION . Go to next step.
- Using scan tool, clear all DTC's. Road test vehicle, then check for SIR DTC's. If DTC B0051 is retrieved, go to step 2. If DTC B0051 is not retrieved, system is okay. Go to SIR DIAGNOSTIC SYSTEM CHECK .