J2 Check ABS Valve Operation
- Turn ignition switch OFF.
Anti-Lock Module:
- Disconnect anti-lock brake wiring plug from anti-lock brake control module.
Break Out Box:
- Connect 60-pin Rotunda Breakout Box 014-00322 with Anti-Lock Brake Adapter T90P-50-ALA to the anti-lock brake wiring connector on wire harness.
- Lift vehicle and rotate wheels to ensure they turn freely.
- Jump pins 19 and 34 at breakout box.
- Short pins 20, 2 and 60 to each other at breakout box.
- Apply moderate brake pedal effort and check that LH front wheel will not turn.
- Check to see that LH front wheel turns freely when ignition switch is ON.
CAUTION: Do not leave ignition ON for more than one minute, or valve damage may result.
- Do wheels turn freely?
YES -- Turn ignition switch OFF. Disconnect wire leads. Go to J3. J3 Check ABS Operation RH Front Wheel
NO -- Verify correct wiring between 55-pin connector and 16-pin connector on valve block per wiring diagram. If wiring is correct, replace solenoid valve block.