DTC C1242: Open Circuit in IG1/IG2 Power Source Circuit [08/2015 - ]: Description
If there is a problem with the master cylinder solenoid (skid control ECU) power supply circuit, the skid control ECU stores DTCs and prohibits operation under the fail-safe function.
If the voltage supplied to the IG2 terminal is within the DTC detection range due to malfunctions in components such as the battery and generator circuit, this DTC is stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1242 | The vehicle speed is 3 km/h (1.9 mph) or more and the voltage at the ECU IG2 terminal remains below 6.5 V for more than 7 seconds. |
|