EPB ECU monitors actuator current and operating duration and if Rear-LH actuator malfunction is detected, EPB ECU sets DTC C2220.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Operation Duration and Current Monitoring | 1. Missing Brake Pad 2. Defected Brake Caliper Assembly Condition 3. Defected LH EPB Actuator |
Threshold Value |
•
Actuator driving is continued for over 15 sec. to applying direction
•
Actuator driving is continued for over 7 sec. to releasing direction
•
The detection time of actuator is increased in Diagnose Mode | |
Fail Safe |
•
EPB operation inhibited
•
Normal actuator side operates normally | |
Warning Indicator Lamp Status |
•
Warning Indicator Lamp "ON" | |
Clear Condition |
•
Ignition "OFF" and then "ON" |
