Possible Causes
| Possible Causes |
|---|
| (K21) IAT SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE |
| (K21) IAT SIGNAL CIRCUIT OPEN |
| (K900) SENSOR GROUND CIRCUIT OPEN |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO GROUND |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND |
| INTAKE AIR TEMPERATURE SENSOR |
| PCM |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE) .