Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO GROUND |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO (K900) SENSOR GROUND |
| (K21) IAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| INTAKE AIR TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.