E1 - Check If Both Warning Lights Are on

- Disengage parking brake.

- Key ON.

- Do both the red brake warning light and yellow RABS light come on?

YES -- Pull codes.
- DTC 4: Go to Test 4. 4
- DTC 12: Go to Test 12. 12

NO -- Go to E2. [1][2]E2 - Check Parking Brake Switch