If the number of knock sensor errors is less than the lower limit or the upper limit, the ECM/PCM sets DTC P0326.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal Plausibility check | 1. Poor connection 2. Open or short in signal circuit 3. Knock sensor | |
Enable Conditions | Case1 |
•
Knock control enabled
•
Coolant temperature > 65℃
•
Mass air flow > 0.5 g/rev
•
Engine speed > 2656rpm | |
Case2 |
•
Knock control enabled
•
Coolant temperature
•
Mass air flow > 0.5g/rev | ||
Threshold Value | Case1 |
•
Knock noise signal < 0.195V | |
Case2 |
•
Absolute value of difference between Knock noise signal and its sliding average < 0.195V | ||
Diagnostic Time |
•
200 revs | ||
MIL ON Condition |
•
2 driving cycles | ||
