DTC C1377/43 Capacitor Malfunction: Description
The brake control power supply assembly (capacitor) is used as auxiliary power for brake control when battery voltage is low.
DTC DETECTION CONDITION AND TROUBLE AREA CHART
| 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 |
| 102 | Self-discharge (current leak) is excessive (internal malfunction). | ||
| 103 | Overvoltage (16.4 V or more) continues to be applied from the battery to the brake control power supply voltage input (+BC) for 10 seconds or more. | Apply high voltage | |
| 105 | Circuit inside the power back up unit (charge) is malfunctioning. | Brake control power supply | |
| 106 | Circuit inside the power back up unit (back up output circuit) is malfunctioning. | ||
| 107 | Malfunction in the forced discharge circuit. | ||
| 108 | Circuit inside the power back up unit (voltage monitor circuit) is malfunctioning. | ||
| 109 | Open circuit between battery (12 V) and brake control power supply power input (+BC terminal). |
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| 110 | When either of the following is detected:
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