Diesel Data: Automotive Repair

Brake Warning Light Circuit

CIRCUIT DESCRIPTION

If the ECU detects trouble, it lights the brake warning light while prohibiting ABS control. At this time, the ECU records a DTC in memory.

Connect terminals Tc and CG of the DLC3 to make the brake warning light blink and output the DTC.

Wiring Diagram:






Step 1:




Step 2 - 5:




INSPECTION PROCEDURE