Diagnostic Aids
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.
A loss of serial data communication between SDM and IPC will cause AIR BAG warning light to turn on. IGN1 voltage out of normal operating range (9-16 volts), an internal failure in SDM or IPC can also cause this malfunction.
NOTE:
For circuit number and wire color identification, see WIRING DIAGRAMS .