Engine (Coolant) Temperature Sensor
Faults in engine (coolant) temperature sensor circuit may set Code 13. To test system, see CODE 13 diagnostic procedures in appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE section below.
To test sensor, disconnect sensor connector. See ENGINE (COOLANT) TEMPERATURE SENSOR LOCATION table. Measure resistance across sensor connector terminals. If resistance is not as specified in ENGINE (COOLANT) TEMPERATURE SENSOR RESISTANCE table, replace sensor.
ENGINE (COOLANT) TEMPERATURE SENSOR LOCATION
| Application | Location |
|---|---|
| 1.6L | On Intake Manifold, At Timing Chain End Of Engine |
| 2.0L | At Front Of Engine, Above Oil Filter |
ENGINE (COOLANT) TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) | Ohms |
|---|---|
| 68 (20) | 2100-2900 |
| 122 (50) | 680-1000 |
| 176 (80) | 300-330 |
NOTE:
Oxygen sensor with a heater element is identified by 3-wire connector.