P0340 is set when the CKPS signal is output while the CMPS signal does not generate. This code is due to the CMPS circuit or component failure. If the CMPS signal is not input during driving, RPM is calculated based on the CMPS signal
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
CMPS signal monitoring | 1. CKPS circuit 2. Faulty CMPS 3. Tone wheel | |
Enable Conditions |
•
Engine "ON" | ||
Threshold Value |
•
The CMPS signal is not input during driving | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
