If the vehicle speed signal is abnormal under enable conditions, the ECM/PCM sets DTC P2159.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Plausibility check between pedal value sensor 1, 2 | 1. Poor connection 2. Open or short in signal circuit 3. ABS/ESP Module | |
Case 1 | Enable Conditions |
•
Engine speed > 3000rpm
•
Engine load is higher than 49.5%
•
Coolant temperature is higher than - 6°C
•
Gear position : D or R | |
Threshold Value |
•
Vehicle speed signal during fuel injection is lower than 1.0 kph | ||
Case 2 | Enable Conditions |
•
Engine speed is higher than 1520rpm and lower than 3520rpm
•
Coolant temperature is higher than - 6°C | |
Threshold Value |
•
Vehicle speed signal during fuel cut-off is lower than 1.0 kph | ||
Diagnostic Time |
•
2 sec | ||
MIL ON Condition |
•
3 driving cycles | ||
