The PCM sets DTC P2610 when the PCM indicates an error in the internal PCM engine off timer processor. The test fails when the difference between the engine off time and the LPC(Low Power Counter) time exceeds a calibrated limit for a calibrated amount of time.
Item | Detecting Condition | Possible cause | |
DTC Strategy |
•
ECU internal engine off timer performance | 1. PCM 2. Battery low-voltage 3. Incorrect or intermittent battery cable connections 4. Engine coolant temperature sensor concern 5. Engine cooling system concerns | |
Enable Conditions | Case 1 |
•
Ignition "ON" | |
Case 2 |
•
Ignition "OFF" | ||
Threshold Value | Case 1 |
•
Absolute value of difference of Timer from PCA8565 and Timer from CPU every 120s greater than 6 % | |
Case 2 |
•
Absolute value of defference of Timer frequency (PCA8565) and CPU frequency greater than 6 % | ||
Diagnosis Time |
•
Continuous | ||
MIL On Condition |
•
2 Driving Cycles |
* LPC(Low Power Counter) : Time counter after IG OFF