DTC C13A0: Open circuit in Power source circuit; DTC C13A5: Electric Current of Motor; DTC C13B0: Electric Parking Brake ECU Malfunction [04/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13A0 | Open circuit in Power source circuit | Both of following conditions are met:
|
|
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:
|
|
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:
|
|
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.