Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (K2) ECT 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (K2) ECT 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| (K2) ECT 1 SIGNAL CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT |
| (K2) ECT 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ENGINE COOLANT TEMPERATURE SENSOR 1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .