Camaro V8-5.7L VIN G (1998)
activated by heavy blows. In the diagnostic mode either will cause the BCM to activate the horn relay and the horns will sound. The BCM will also flash
the fasten seatbelt indicator on the IPC and sound an audible warning tone. An effective method of checking the shock sensor and associated wiring is to
tap on the shock sensor while in the diagnostic mode.
Switching the interior lamps switch on and off while in the diagnostic mode will cause the BCM to flash the fasten seatbelt indicator on the IPC, sound
an audible warning tone, and flash the courtesy lamps. On vehicles equipped with theft deterrent, each transition of the interior lamps command input
will cause the BCM to step to next action in the following list:
1. Courtesy lamps flash
2. Horns sound
3. Exterior lights flash
Intermittent and History DTCs
History DTCs are codes that indicate that the BCM detected a fault which has disappeared.
Any DTC that begins with the digit 3 is a history DTC.
The fault will be stored as a history code under either of the following conditions:
^
The fault is an intermittent failure.
^
The fault exists in a system which is not currently being operated.
If you cannot determine the cause of the failure through visual inspection, complete the following steps:
1. Connect a DVM to the suspected circuit.
2. Drive the vehicle.
3. Observe the readings. An abnormal voltage or resistance reading when the failure occurs indicates that the condition may be in the suspected
circuit.
