J5 Check ABS Operation LH Rear Wheel

- Jump pins 19 and 34 at breakout box.

- Short pins 36, 54 and 60 to each other at breakout box.

- Apply moderate brake pedal effort.

- Does LH rear wheel turn freely with ignition switch in RUN?

CAUTION: Do not leave ignition switch in RUN for more than 1 minute or valve damage may result.

YES -- Turn ignition switch OFF. Disconnect wire leads and breakout box. Lower vehicle. Reverify symptom.

NO -- Verify correct wiring between 55-pin connector and 19-pin connector on brake pressure control valve block. If wiring is correct, replace brake pressure control valve block.