P0340 is set corresponding to the condition of ECM internal counter when CMPS signal does not generate while CKPS signal is outputted. This code is due to the failure relevant to CMPS related circuit and sensor component.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. CMPS circuit 2. CMPS | ||
Enable Conditions |
•
During accelerating and turning engine ON | |||
Threshold Value |
•
CKPS signal is outputted while CMPS signal does not generate. | |||
Diagnostic Time |
•
Corresponding to ECM internal counter condition. | |||
Fail Safe | Fuel cut | NO |
•
When CKPS failure, backup mode starts using only CMPS.
•
When CMPS failure, backup mode starts using only CKPS.
•
When Both CKPS and CMPS simultaneous failure, engine off | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | ON | |||
