DTC C1426 Stop Light Switch OFF Stuck Malfunction: Description
The skid control ECU (housed in the brake actuator assembly) inputs stop light switch signals 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 CHART
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1426 | When the brake pedal load sensing switch Is on, the master cylinder pressure is 2 MPa or more and the deceleration calculated from the vehicle speed is 0.2 G or more, the stop light switch is off for 2 seconds or more. |
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