DESCRIPTION The following DTCs are stored when a malfunction occurs in the parking brake ECU (brake actuator assembly). |
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Memory | Note | |
C13A0 | Open circuit in Power source circuit |
Both of following conditions are met:
- Power switch on (IG) or electric parking brake switch (electric parking
brake switch assembly) pulled to lock side with power switch off.
- Parking brake ECU (brake actuator assembly) power source relay circuit is open for approximately 0.5 seconds.
| Parking brake ECU (brake actuator assembly) |
DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. | |
C13A5 | Electric Current of Motor |
Both of following conditions are met:
- Power switch on (IG) or electric parking brake switch (electric parking
brake switch assembly) pulled to lock side with power switch off.
- Parking brake ECU (brake actuator assembly) internal current is abnormal
for approximately 0.1 to 0.5 seconds (differs according to
malfunction).
| Parking brake ECU (brake actuator assembly) |
DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. | |
C13B0 | Electric Parking Brake ECU Malfunction |
Both of following conditions are met:
- Power switch on (IG) or electric parking brake switch (electric parking
brake switch assembly) pulled to lock side with power switch off.
- Internal current of Parking brake ECU (brake actuator assembly) or ECU
components abnormal for a maximum of 60 seconds (differs according to
malfunction).
| Parking brake ECU (brake actuator assembly) |
DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. | DTC Detection Conditions: C13A0 | |
Vehicle Condition | |
Pattern 1 | Pattern 2 | |
Diagnosis Condition | Power switch on (IG) |
○ | - | |
Electric parking brake switch (electric parking brake switch assembly) pulled to lock side with power switch off |
- | ○ | |
Malfunction Status | Parking brake ECU (brake actuator assembly)'s power source relay is open |
○ | ○ | |
Detection Time | Approximately 0.5 seconds |
Approximately 0.5 seconds | |
Number of Trips | 1 trip |
1 trip | HINT: DTC will be output when conditions for either of the patterns in the table above are met. DTC Detection Conditions: C13A5 | |
Vehicle Condition | |
Pattern 1 | Pattern 2 |
Pattern 3 | Pattern 4 | |
Diagnosis Condition | Power switch on (IG) |
○ | - |
○ | - | |
Electric parking brake switch (electric parking brake switch assembly) pulled to lock side with power switch off |
- | ○ |
- | ○ | |
Malfunction Status | Parking brake ECU (brake actuator assembly)'s internal current is abnormal (When parking brake is operating) |
○ | ○ |
- | - | |
Parking brake ECU (brake actuator assembly)'s internal current is abnormal (When parking brake is not operating) |
- | - |
○ | ○ | |
Detection Time | Approximately 0.3 seconds |
Approximately 0.3 seconds |
Approximately 0.5 seconds |
Approximately 0.5 seconds | |
Number of Trips | 1 trip |
1 trip | 1 trip |
1 trip | HINT: DTC will be output when conditions for either of the patterns in the table above are met. DTC Detection Conditions: C13B0 | |
Vehicle Condition | |
Pattern 1 | Pattern 2 |
Pattern 3 | Pattern 4 | |
Diagnosis Condition | Power switch on (IG) |
○ | - |
○ | - | |
Electric parking brake switch (electric parking brake switch assembly) pulled to lock side with power switch off |
- | ○ |
- | ○ | |
Malfunction Status | Parking brake ECU (brake actuator assembly)'s internal voltage is abnormal |
○ | ○ |
- | - | |
EEPROM is malfunctioning |
- | - |
○ | ○ | |
Detection Time | Approximately 0.5 seconds |
Approximately 0.5 seconds |
Approximately 0.5 seconds |
Approximately 0.5 seconds | |
Number of Trips | 1 trip |
1 trip | 1 trip |
1 trip | HINT: DTC will be output when conditions for either of the patterns in the table above are met. CAUTION / NOTICE / HINT
NOTICE: The
parking brake indicator light blinks (red) when the power switch is
turned on (IG) after replacing the parking brake ECU (brake actuator
assembly). Operate the electric parking brake switch (electric parking
brake switch assembly) to turn off the parking brake indicator light
(red). PROCEDURE |
1. | REPLACE PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY) |
(a) Replace the parking brake ECU (brake actuator assembly). Click here
| NEXT |  |
END | | 
