Diagnostic Procedure
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. 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 .
- Connect scan tool to Data Link Connector (DLC), located under driver-side instrument panel, to right of steering column. Turn ignition on. Using scan tool, request SIR DTC display. If current DTC is retrieved, go to next step. If history DTC is retrieved, go to DIAGNOSTIC AIDS .
- Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM) under REMOVAL & INSTALLATION. Reconnect all SIR components. Ensure all components are properly mounted. Go to SIR DIAGNOSTIC SYSTEM CHECK .