Description

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 No.

DTC Detecting Conditions

Trouble Areas

C1249/49

When IG1 terminal voltage 9.5 to 17.2 V, open circuit of stop light switch continues for 0.3 seconds or more.

• Stop light switch

• Stop light switch circuit

• Brake actuator (skid control ECU)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment