Possible Causes
| POSSIBLE CAUSES |
|---|
| (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 (ECT) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .