A1 Check LH Front ABS Sensor

- Turn ignition switch OFF.

- Disconnect connector from anti-lock brake control module.

- Connect Rotunda EEC-IV 60-pin Breakout Box 014-00322 with Rotunda Anti-Lock Brake Adapter 007-00116 or equivalent to the anti-lock brake harness connector.

- Measure resistance between breakout box pin 15, circuit 521 (T/O) and pin 16, circuit 522 (T/BK).

- Is resistance between 1280 and 1920 ohms?

YES -- Go to A3. A3 Check LH Front ABS Sensor Voltage

NO -- Go to A2. A2 Check LH Front ABS Sensor Resistance