C1 Measure LH Front Sensor Circuit Resistance

- Turn ignition switch to the OFF position.

Anti-Lock Module:

- Disconnect 55-pin connector from anti-lock brake control module.

- Connect Rotunda EEC-IV Breakout Box 014-00322 with Anti-Lock Test Adapter T90P-50-ALA or equivalent to the 55-pin connector on wiring harness.

- Set multi-meter to read resistance.

- Measure resistance between pins 30 and 48.

- Is resistance between 800 and 1400 ohms?

YES -- Go to C3. C3 Measure RH Front Sensor Circuit Resistance

NO -- Go to C2. C2 Check LH Front ABS Sensor Resistance