Operation CHARM: Car repair manuals for everyone.

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