P4 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 OFF.
CAUTION: Do not leave ignition ON for more than one minute or valve damage may result.
- Check that RH rear wheel turns freely with ignition switch ON.
- Does wheel turn freely?
YES -- Turn ignition switch OFF. Disconnect wire leads. Go to P5. P5 Check ABS Operation LH Rear Wheel
NO -- Verify correct wiring between 55-pin connector and 16-pin connector on valve block. If wiring is correct, Replace solenoid valve block. Restore vehicle. Retest system.