DTC C1A4A: Skid Control Buzzer Circuit [10/2015 - ]: Description
The driving support ECU assembly operates the pre-collision alarm by sending a buzzer request signal to the skid control buzzer.
If the driving support ECU assembly detects a malfunction in the skid control buzzer circuit, it stores DTC C1A4A.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A4A | Skid Control Buzzer Circuit | When the engine switch is on (IG) and the pre-collision alarm is operating, either of the following conditions is met:
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DTC DETECTION CONDITIONS:
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | Engine switch is on (IG) | ◦ | ◦ |
| Malfunction Status | A buzzer request signal is sent to the skid control buzzer but the buzzer does not sound | ◦ | - |
| A buzzer request signal is not sent to the skid control buzzer but the buzzer sounds | - | ◦ | |
| Detection Time | 1 second | 1 second | |
| 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.