P0328

DTC P0328 - KNOCK SENSOR 1 CIRCUIT HIGH INPUT (BANK 1 OR SINGLE SENSOR)

OUTLINE OF DIAGNOSIS
Detect the open or short circuit of knock sensor. Judge NG when out of the standard value.




COMPONENT DESCRIPTION




ENABLE CONDITION

GENERAL DRIVE CYCLE
Always perform the diagnosis continuously.

DIAGNOSTIC METHOD




Judge NG when the continuous time of completing the malfunction criteria becomes more than the time (1 second) needed for diagnosis. Judge OK when the malfunction criteria are not completed.

DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" was performed

MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed

FAIL SAFE
1. Stop whole compensation, partial compensation, knock cancel compensation in ignition timing calculation at normal.
2. Knock cancel compensation of low engine coolant temperature is fixed value (7 °CA).
3. Stop partial compensation calculation of ignition leaning.

ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)