Diagnostic Procedure
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. 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 .
- Install scan tool. Request SIR DTC display. If DTC is retrieved, diagnose specific DTC. Replace components and perform inspections as required following an accident.
- Reconnect all SIR components. Ensure that all components are properly mounted. Use scan tool to clear DTCs. Go to SIR DIAGNOSTIC SYSTEM CHECK .