Fuel Pump Control Unit: Testing and Inspection

FPCM




With Consult
1. Start engine and let it idle.
2. Perform "FPCM" in "ACTIVE TEST" mode with CONSULT-II.
3. Check the following.
- When selecting "HI", "FPCM DR VOLT" indicates approximately 0 V.
- When selecting "LOW", "FPCM DR VOLT" indicates approximately 4.4 V

4. If NG, replace FPCM.

OR







Without Consult
1. Start engine and warm it up to normal operating temperature.
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 0 V
More than 30 seconds after starting engine:
Approximately 4.4 V

5. If NG, replace FPCM.