Pump Motor
- With ECU connector still unplugged, turn ignition switch to the "ON" position. Jumper terminal No. 28 of ECU connector to ground.NOTE: Relay should not remain grounded for more than 2 seconds or damage to relay may occur.
- Hydraulic modulator should operate while jumper is installed. If hydraulic modulator does not function, check wiring from ECU connector to modulator. If wiring is not at fault, substitute a good relay and retest.