DTC C13AD: Open in +B Circuit [02/2019 - 12/2021]: Description
WARNING: This page is about a different variant/trim than selected.
The parking brake ECU assembly is supplied with power to operate the motor via the +B and +B2 terminals.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13AD | Open in +B Circuit | Both of following conditions are met:
HINT: For details on the threshold value changes according to the auxiliary battery voltage value, refer to "Threshold Changes According to Auxiliary Battery Voltage". |
|
Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
DTC DETECTION CONDITION COMBINATION TABLE: C13AD (PATTERN 1, PATTERN 2, PATTERN 3, PATTERN 4)
| Vehicle Condition | |||||
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | Electric parking brake switch (integration control and panel assembly) is operated to lock side with ignition switch off | ◦ | ◦ | - | - |
| Ignition switch ON | - | - | ◦ | ◦ | |
| Malfunction Status | Motor +B voltage is Mid when parking brake motor is not operating | ◦ | - | ◦ | - |
| Motor +B voltage is Lo when parking brake motor is operating | - | ◦ | - | ◦ | |
| Detection Time | Approximately 0.5 seconds | Approximately 0.5 seconds | Approximately 0.5 seconds | Approximately 0.5 seconds | |
| Trip Count | 1 trip | 1 trip | 1 trip | 1 trip | |
HINT:
- If the conditions match either of these patterns, a DTC will be output.
Threshold Changes According to Auxiliary Battery Voltage
| *a | Parking Brake Motor Not Operating | *b | Parking Brake Motor Operating |
| *c | Auxiliary Battery Voltage (V) | *d | +B and +B2 Terminal Voltage (V) |
| *e | Normal Range | *f | DTC Detection Range |