## Fuel Supply System

#### Fuel Pump Circuit Troubleshooting (cont'd)

11-92

21. Connect the PGM-FI main relay 2 4P connector terminals No. 1 and No. 2 with a jumper wire.

Wire side of female terminals

22. Turn the ignition switch ON (II).
23. Measure voltage between the fuel pump 5P connector terminal No. 5 and body ground within the first 2 seconds after the ignition switch was turned ON (II).

FUEL PUMP 5P CONNECTOR

Wire side of female terminals

Is there battery voltage?

YES - Replace the PGM-FI main relay 2.

NO - Repair open in the wire between the PGM-FI main relay 2 and the fuel pump 5P connector.

24. Turn the ignition switch OFF.

25. Check for continuity between the fuel pump 5P connector terminal No. 4 and body ground.

FUEL PUMP 5P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Replace the fuel pump.

NO - Repair open in the wire between the fuel pump 5P connector and G551.