E3 Check For Burned-Out Rear Brake Lights

- Press on brake pedal while observing rear brake lights.

- Do the brake lights function properly?

YES -- Go to E4. E4 Check For Loss of Brake Input to Electronic Control Module

NO -- Repair brake light system: Burned-out bulbs or open Circuit 511 (LG). Repeat System Pre-Check. Inspection and Verification (Start Testing Here)