CC15 DTC 33, 37, 43, 57 or 77

- Turn ignition switch OFF.

Anti-Lock Control Module:

- Disconnect anti-lock brake wiring from anti-lock brake control module.

Breakout Box:

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

- Measure resistance between pins 27 and 45.

- Is resistance between 800 and 1400 ohms?

YES -- Go to CC17. CC17 Check RH Rear ABS Sensor Voltage

NO -- Go to CC16. CC16 Check RH Rear ABS Sensor Resistance