P0477 is set when Exhaust pressure actuator motor circuit is short to ground more than 1 sec.
and wjhen power supply shortage of H-bridge is generated Due to lack of ECU's internal circuit error.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Exhaust Pressure Control Valve circuit | ||
Enable Conditions |
•
IG "ON" | |||
Threshold value |
•
Exhaust pressure actuator motor circuit is short to ground | |||
Diagnosis Time |
•
1 sec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | OFF | |||
