DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B1F15-13 | Microphone 3 Input[Active noise control microphone (rear)] | [OPEN] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) |
|
|||
| Threshold | Open | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1F15-01 | [SHORT] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
|||
| Threshold | Short circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1F15-11 | [GND-SHORT] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
|||
| Threshold | Short to ground circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1F15-12 | [VB-SHOR] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
|||
| Threshold | Short to power supply circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
- RR ANC MIC+ open, short, short to ground, short to voltage
- RR ANC MIC- open, short, short to ground, short to voltage
- Active noise control microphone (rear)
- Bose speaker amp.
FAIL-SAFE
Active noise control microphone (rear) inoperative