DTC C1425: Open in Stop Light Switch Circuit: Description
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU (housed in the 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 Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1425 | When IG1 terminal voltage is between 9.5 and 17.4 V, an open stop light switch circuit continues for 3 seconds or more. |
|
*1: for automatic transmission