DTC P0865: TCM Communication Circuit Low
- OUTLINE OF DIAGNOSIS
- Detect the open/short circuit of AT diagnosis line.
- Judge NG when the signal remains Low.
- ENABLE CONDITION ENABLE CONDITION
Secondary Parameters Enable Conditions Battery voltage "GREATER THAN EQUAL TO" .0 V Engine speed "GREATER THAN EQUAL TO" 00 rpm Ignition switch ON - GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
- DIAGNOSTIC METHOD
Judge NG when the malfunction criteria below are completed. Judge OK and clear the NG when the signal is turned over.
Judgment Value
JUDGMENT VALUEMalfunction Criteria Threshold Value Continuing time of signal line is Low "GREATER THAN EQUAL TO" seconds Time Needed for Diagnosis: 3 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
- DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" was performed
- MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed
- FAIL SAFE
None
- ECM OPERATION AT DTC
Memorize the freeze frame data. (For test mode $02)