Fuel Pump Relay: Testing and Inspection

1. With ignition switch "OFF," probe terminal A1 (black/pink wire) of ECM 24 pin A-B connector with test light.
2. Turn ignition "ON" (do not start engine). ECM will energize relay circuit and light will will illuminate for approximately two seconds and then go out. Turn ignition "OFF."
3. At the relay (in engine compartment), probe terminal three (black/yellow wire) with test light.
4. Turn ignition "ON" (do not start engine). ECM will energize relay and light will illuminate for approximately two seconds and then go out. There should also be an audible "click" when the relay is energized.
5. If problems are indicated, refer to Chart A-7 under DIAGNOSIS AND TESTING PROCEDURES; NON-TROUBLE CODE PROCEDURES; A CHARTS. A Charts