S1 Visual Inspection and Equipment Hook-Up
- Make sure the battery is OK.
- Inspect anti-lock brake control module pins, 30 amp pump motor feed fuse, battery and ground connections, relay connections and pump motor connections.
- Remove anti-lock brake control module, install Rotunda(r) Breakout Box 014-00322 or equivalent. Verify ground. Using the Breakout Box For Circuit Checks
- Jumper Pins 1 and 19 together.
- Key ON (energize system relay).
- Jumper Pins 1 and 29 together (energize pump motor relay).
- Is pump motor running?
YES -- Go to S7. S7 Continuity Check, Pump Motor Relay Cir 539 (PK/LB)
NO -- Go to S2. S2 Voltage Check 1 and 2