DTC C1249/49 Open in Stop Light Switch Circuit: Description
The skid control ECU (housed in the actuator assembly) inputs the stop light switch signal and the condition of brake operation.
The skid control ECU has an open detection circuit, which outputs this DTC when detecting an open in the stop light input line or the ground line of the stop light circuit with the stop light switch off (brake pedal not depressed).
DTC DETECTION CONDITION AND TROUBLE AREA REFERENCE CHART
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1249/49 | When IG1 terminal voltage is 9.5 V or more, an open stop light switch circuit continues for 0.3 seconds or more. |
|