If abnormal vehicle speed is detected, ECU sets DTC P050100.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Faulty wheel speed sensor circuit 3. Faulty wheel speed sensor 4. Faulty HECU 5. Faulty CAN communication line | ||
Enable Condition |
•
Engine running | |||
Threshold Value | Case 1 |
•
Calculated vehicle speed is over 240 kph(149 mph) | ||
Case 2 |
•
Vehicle speed is lower than 13.8 kph(8.6 mph) under engine speed below 4000RPM and amount of fuel injection is less than 38.5cc | |||
Case 3 |
•
Vehicle speed CAN error message is received | |||
Detecting Time | Case 1 |
•
500 msec. | ||
Case 2 |
•
4 sec. | |||
Case 3 |
•
1 sec. | |||
Fail Safe | MIL |
•
Off | ||
Auto Cruise OFF |
•
No | |||
ISG OFF |
•
No | |||
