J4 Check ABS Operation RH Rear Wheel
- Jump pins 19 and 34 at breakout box.
- Short pins 55, 18 and 60 to each other at breakout box.
- Apply moderate brake pedal effort. Check that RH rear wheel will not turn with ignition switch in OFF.
- Does RH 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. Go to J5. J5 Check ABS Operation LH Rear Wheel
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.