Operation CHARM: Car repair manuals for everyone.

ABS




DTC C1016: Brake Light Switch Circuit Failure

Wiring Diagram










DTC Detecting Condition and Trouble Area






Troubleshooting



1.
Was "ABS Check" performed?
YES
Go to Step 2.
NO
Go to ABS Check.

2. Brake light operation check

Turn ignition switch to ON position and depress brake pedal.

Does brake light turn ON?
YES
Go to Step 3.
NO
Repair brake light switch, brake light and/or brake light circuit and recheck.

3. Brake light switch signal circuit check

Disconnect ABS hydraulic unit / control module and brake light switch connector with ignition switch turned OFF.
Check for proper connection to "E08-6" terminal of ABS hydraulic unit / control module and "GRN/WHT" wire terminal of brake light switch.
If OK then measurer resistance between terminal of "E08-6" and "GRN/WHT" wire terminal of brake light switch connector.

Is it less than 2 ohms?
YES
Substitute a known-good ABS hydraulic unit / control module and recheck.
NO
"GRN/WHT" wire open or high resistance.