| DTC |
Description |
Possible causes |
Action |
| P011600 |
Engine Coolant Temperature Sensor 1 Circuit
Range/Performance |
- Engine coolant temperature (ECT) sensor circuit high resistance
- ECT sensor circuit short circuit to ground
- ECT sensor circuit short circuit to power
- ECT sensor failure
|
Check the ECT sensor and circuits. Refer to the electrical
guides. With the engine cold, read the coolant temperature sensor using a
data logger function and start the engine. Record the value and allow the
engine to idle for 20 minutes. After 20 minutes, recheck the value. If the
value has not increased by more than 10°C, install a new sensor. Refer to
the relevant section of the workshop manual. Clear the DTCs and test for
normal operation. |
| P011700 |
Engine Coolant Temperature Sensor 1 Circuit Low |
- ECT sensor disconnected
- Engine coolant temperature (ECT) sensor sensing circuit high
resistance, short circuit to power
- ECT sensor failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| P011800 |
Engine Coolant Temperature Sensor 1 Circuit High |
- Engine overheat condition/cooling fan failure
- ECT sensor wiring short circuit to ground
- ECT sensor failure
|
Check the coolant level and the thermostat operation (stuck
closed). Check for cooling fan DTCs. Refer to the guided diagnostic
routine for this code on the approved diagnostic system. |
| P011900 |
Engine Coolant Temperature Sensor 1 Circuit
Intermittent/Erratic |
- Engine coolant temperature (ECT) sensor circuit high resistance
- ECT sensor circuit short circuit to ground
- ECT sensor circuit short circuit to power
- ECT sensor failure
|
Check the ECT sensor and circuits. Refer to the electrical
guides. With the engine cold, read the coolant temperature sensor using a
data logger function and start the engine. Record the value and allow the
engine to idle for 20 minutes. After 20 minutes, recheck the value. If the
value has not increased by more than 10°C, install a new sensor. Refer to
the relevant section of the workshop manual. Clear the DTCs and test for
normal operation. |