Rail pressure is controlled by 1)only RPRV or 2)both RPRV and FPRV or 3)only RPRV depending on engine condition. These three modes are called ‘CPC mode’. During transition from one mode to another mode, if rail pressure is above the maximum rail pressure
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. ECM internal error 2. RPRV component 3. FPRV component 4. RPS componet | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
PCV fails to be controlled and its governing voltage is fixed to certain value | |||
Diagnostic Time |
•
5 sec. | |||
Fail Safe | Fuel Cut | NO |
•
- | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | ON | |||
