Without Drls

Brake Warning Indicator Always On (Without DRLs)





Test 1-7





Test 8-15

Circuit Description
The brake warning indicator illuminates when ground is applied to the brake warning indicator control circuit.

Test Description
The numbers below refer to the step numbers on the diagnostic table.
4. Ground is applied to the ABS pressure differential sensor signal circuit if the scan tool displays On.
5. This step tests for a shorted brake pressure differential switch.
6. This step tests if the EBCM is applying ground to the brake warning indicator.
8. This step tests for a shorted park brake warning lamp switch.