D2 Check Brake Pedal Sensor Switch

- Push brake pedal down at least 3 inches and hold down.

- Check for continuity between pedal travel switch pins 1 and 2.

- Is continuity present?

NOTE: If new pedal switch is installed and test D2 results in pedal switch not functioning again, booster assembly must be replaced.

YES -- Replace anti-lock brake pedal sensor switch.

NO -- Go to D3. D3 Check Circuits 467 and 535