Output Testing
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.
- Make sure the BCM is in self-test and you have retrieved DTCs.
- Turn the IP dimmer switch to the DOME position to begin the first output test.
- Turn the IP dimmer switch from DOME to OFF and back to DOME to step through the 7 tests listed:
- Test 1 - turns OFF all interior lamps
- Test 2 - turns ON the interior lamps
- Test 3 - turns ON all courtesy lamps
- Test 4 - energizes the theft deterrent relay for 1 second and turns ON the headlamps, for BCM Type 4 only
- Test 5 - energizes the horn relay for 25 ms and turns ON the horn, for BCM Type 4 only
- Test 6 - turns ON the theft deterrent indicator lamp, for BCM Type 4 only
- Test 7 - turns OFF the theft deterrent indicator lamp, for BCM Type 4 only
- The BCM sounds the chime to indicate the output test number.
- Once all tests are completed, the cycle will repeat with each DOME-OFF-DOME cycle of the IP dimmer switch.
Remember that the maximum number of output tests for Type 2 and Type 3 BCMs is 3.