DTC C1377/43 Capacitor Malfunction: Description
The brake control power supply (capacitor) provides auxiliary power for brake control when the auxiliary battery (12 V) voltage drops.
STANDARD VOLTAGE SPECIFICATION
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1377/43 | 101 | Brake control power supply assembly is deteriorated (indicates a need to replace). | Brake control power supply |
| C1377/43 | 102 | Self-discharge (current leak) is excessive (internal malfunction). | Brake control power supply |
| C1377/43 | 103 | Input voltage from the auxiliary battery (12 V) to the brake control power supply is 16.4 V or more for at least 10 sec. | "Brake control power supply |
| C1377/43 | 105 | Circuit inside the power back up. unit (charge) is malfunctioning. | Brake control power supply |
| C1377/43 | 106 | Circuit inside the power back up unit (back up output circuit) is malfunctioning. | Brake control power supply |
| C1377/43 | 108 | Circuit inside the power back up unit (voltage monitor circuit) is malfunctioning. | Brake control power supply |
| C1377/43 | 109 | Open circuit between auxiliary battery (12 V) and brake control power supply power input (+BC terminal). |
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| C1377/43 | 110 | When either condition below is met:
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