P0340

DTC P0340 - CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR)

OUTLINE OF DIAGNOSIS




Detect the malfunction of crankshaft position sensor output property.
Judge NG when continuing not to input the camshaft position sensor signal.




- Cylinder judgment method
When BTDC 97 °CA crankshaft position sensor signal is input, judge what cylinder piston is brought to the top dead center of compression by camshaft position sensor signal number.




COMPONENT DESCRIPTION

ENABLE CONDITION
Perform the diagnosis without condition.

GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

DIAGNOSTIC METHOD




When many crankshaft position sensor signals were input without camshaft position sensor signal input, judge OK and clear NG.

DTC CLEAR CONDITION
- When the OK idling cycle was 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
None

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