P0118
DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of engine coolant temperature sensor. Judge NG when out of the standard value.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITION
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Judge NG when the continuous time of completing the malfunction criteria becomes more than 0.5 seconds. Judge OK and clear the NG when the malfunction criteria are not completed.
6. DTC CLEAR CONDITION
- When the OK idling cycle was completed 40 times in a row
- When "Clear Memory" was performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed
8. FAIL SAFE
- Engine coolant temperature process: Fix the engine coolant temperature at 70 degree C (158 degree F).
- ISC feedback: Calculate the target engine speed setting the engine coolant temperature to 70 degree C (158 degree F).
- ISC learning: Not allowed to learn.
- Heavy fuel judgment control: Not allowed to carry out the heavy judgment.
- Air conditioner control: Not allowed to turn the air conditioner to ON.
- Radiator fan control: Both main and sub fan are in High driving.
- Increase compensation coefficient at a high water temperature: The water temperature condition is disregarded and increased by approval of other condition, though usually increases by a high water temperature and approval of other condition.
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02