Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (G31) AAT SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (G31) AAT SIGNAL CIRCUIT SHORTED TO GROUND |
| (G31) AAT SIGNAL CIRCUIT SHORTED TO (G931) AAT SENSOR GROUND CIRCUIT |
| (G31) AAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (G931) AAT SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| AMBIENT AIR TEMPERATURE SENSOR |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .