DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B1A4F-13 | Rear left door tweeter(Rear door tweeter LH) | [OPEN] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) |
|
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| Threshold | Open | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1A4F-1A | [SHORT] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
|||
| Threshold | Short circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1A4F-11 | [GND-SHORT] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
|||
| Threshold | Short to ground circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1A4F-12 | [VB-SHOR] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) |
|
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| Threshold | Short to power supply circuit | |||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
- RR DR SP LH+ open, short, short to ground, short to voltage
- RR DR SP LH- open, short, short to ground, short to voltage
- Rear door speaker LH
- Rear door tweeter LH
- Bose speaker amp.
FAIL-SAFE
Rear door tweeter LH and rear door speaker LH inoperative