DTC 49

DTC C1249/49 OPEN CIRCUIT IN STOP LIGHT SWITCH CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The skid control ECU (housed in the ABS & TRACTION actuator assembly) inputs the stop light switch signal 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 while the stop light switch is OFF.

Wiring Diagram (Part 1):

Wiring Diagram (Part 2):

Step 1-2:

Step 3-4:

Step 5-6:

Step 7-9:

Step 10:

Step 11-12:

Step 13:

Step 14:

INSPECTION PROCEDURE

NOTE: When replacing the ABS & TRACTION actuator assembly, perform zero point calibration. Calibration

HINT: After steps 1, 2 and 3 are completed, start the inspection from step 4 when using the hand-held tester and start from step 5 when not using the hand-held tester.