K1 Check Switch

NOTE: Do not apply brake pedal while performing this test.

- Connect Rotunda 60-Pin Breakout Box 014-00322 with ABS Adapter 007-00116 or equivalent to the anti-lock brake wiring connector on the headlamp dash panel junction wire harness.

- Turn the ignition switch to the RUN position.

- Measure voltage between breakout box pins 20 and 13.

- Is B+ present?

YES -- Replace stoplight switch or service cable harness circuit 511 (LG).

NO -- Go to K2. K2 Check Traction Control Function