Fuel Pump Control Unit: Testing and Inspection
1. Start engine and warm it up sufficiently.2. Turn ignition switch "OFF" and wait at least 5 seconds.
3. Start engine and let it idle.
4. Check voltage between terminals (1) and (2).
Within 30 seconds of starting engine:
Approximately 0V
More than 30 seconds after starting engine:
Approximately 3.7V
5. If NG, replace FPCM.