Auto transaxle failure results are outputs as diagnosic codes by TCM.
In case of auto transaxle failure with locked in 3 rd gear,(AT control relay off) engine malfuntion indicator lamp is displayed by CAN communication between ECM and TCM in order to notify the driver.
If the auto transaxle generates threshold value, the ECM judged this as a fault and DTC is set.
Item | Detecting Condition | Possible Cause |
DTC Strategy | ● TCM check | ● Faulty auto transaxle ● Faulty ECM |
Enable Conditions | ● Engine run | |
Threshold Value | ● Auto transaxle failure with locked in 3rd gear | |
Diagnostic Time | ● 0.5 sec. | |
MIL Fuel Limit Fuel Cut EGR Off | ● Yes ● No ● No ● No |