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. Defected wheel speed sensor 4. Defected 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 | ||
Case3 |
•
Vehicle speed CAN error message is received | ||
Detecting Time | Case 1 |
•
500 msec | |
Case 2 |
•
4 sec | ||
Case 3 |
•
1 sec | ||
Fail Safe | Engine OFF |
•
No | |
EGR OFF |
•
No | ||
Torque Limit |
•
No | ||
MIL |
•
Off (Case 1, Case 2)
•
On (Case 3) | ||
