Fuel Pump Relay
When ignition is on, PCM provides a ground to fuel pump relay. When relay is energized, battery voltage is connected to the line actuators and PCM. This signal allows PCM to monitor operation of master enable relay.
When ignition is on, PCM provides a ground to fuel pump relay. When relay is energized, battery voltage is connected to the line actuators and PCM. This signal allows PCM to monitor operation of master enable relay.