DTC C0609-62: Electric Parking Brake Switch Signal Compare Failure [11/2021 - 10/2023]: Description
When the electric parking brake switch assembly is pulled, a lock request signal is sent from the No. 2 skid control ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch assembly is pushed, a release request signal is sent from the No. 2 skid control ECU (brake actuator assembly) to the parking brake actuator assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C0609-62 | Electric Parking Brake Switch Signal Compare Failure | Detection Condition 1:
Detection Condition 2:
|
|
DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. |
DTC DETECTION CONDITIONS
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | - | - | - | - |
| Malfunction Status | Parking brake switch open circuit is detected | ◦ | - | - |
| Parking brake switch short circuit is detected | - | ◦ | - | |
| Parking brake switch stuck malfunction | - | - | ◦ | |
| Detection Time | 1 second or more | 1 second or more | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.