System Tests: Notes
WARNING:
Deactivate air bag system before performing any service operation involving steering column components. See appropriate
AIR BAG RESTRAINT SYSTEMS article. Do not apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in
GENERAL INFORMATION before disconnecting battery.
CAUTION:
Disconnect battery before disconnecting Generic Electronic Module (GEM). Failure to do so will result in GEM storing erroneous codes and may also result in erratic operation of GEM after reconnection.
NOTE:
Complete entire system test related to the symptom before installing GEM.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| No Scan Tool Communication With GEM | A |
| All Power Windows Inoperative | B |
| Single Window Inoperative (All Other Windows Operate) | C |
| One-Touch Down Feature Inoperative | D |
| Vent Window Inoperative | E |