DTC C1249/49 Open in Stop Light Switch Circuit: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU detects the brake operating conditions through a signal transmitted by the stop light switch. The skid control ECU incorporates an open circuit detection circuit. This DTC is set under either of the following conditions:
- An open is detected in the stop light signal input line when the stop light switch is off.
- An open is detected in the stop light circuit lead to the ground when the stop light switch is off.DTC CHART
DTC No. DTC Detection Conditions Trouble Areas C1249/49 When either condition below is met: - When IG1 terminal voltage 9.5 to 17.2 V, open circuit of stop light switch continues for 0.3 seconds more.
- w/16-inch disc:
With brake pedal load sensing switch ON, master pressure 2 MPa or more, vehicle deceleration 0.2 G or more (calculated based on vehicle speed), stop switch OFF condition continues for 2 seconds or more.
- ECU-IG1 fuse
- STOP fuse
- BRK relay
- Stop light switch
- Stop light switch circuit
- ABS and TRACTION actuator