P1301

DTC P1301 MISFIRE DETECTED (HIGH TEMPERATURE EXHAUST GAS)

1. OUTLINE OF DIAGNOSIS
Detect whether the misfire occurred or not. (Exhaust temperature method)
Judge NG when the exhaust temperature is high.




2. ENABLE CONDITION

3. GENERAL DRIVING CYCLE
- Detecting misfire is able to be carried out in the condition between idling and high revolution.
- Always perform the diagnosis continuously.




4. DIAGNOSTIC METHOD
Judge NG when the malfunction criteria continue 200 engine revs. (400 ignitions) in a row.

5. DTC CLEAR CONDITION
- When the OK idling cycle was completed 40 times in a row
- When "Clear Memory" was performed

6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed

7. FAIL SAFE
None

8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)