Manufacturer Code Charts: 64

- Turn ignition switch OFF.

NOTE: Make sure brake fluid is at proper level. Check 4-pin pump motor harness for good contact.

Anti-Lock Module:

- Disconnect anti-lock brake wiring plug from anti-lock brake control module. Make sure connector is not damaged.

Breakout Box:

- Connect 60-pin Rotunda Breakout Box 014-00322 or equivalent with Anti-Lock Brake Adapter T90P-50-ALA to the anti-lock 55-pin plug harness.

- Jumper pins 15, 34 and 60.

- Apply and hold brake pedal.

- Turn ignition switch to ON.

- Does brake pedal rise?

YES -- Reverify DTC 64.

NO -- Replace pump motor assembly. Restore vehicle. Retest system.