PGM-FI Main Relay

NOTE: If the car starts and continues to run, the PGM-FI main relay is OK.

1. Remove the PGM-FI main relay.
2. Attach the battery positive terminal to the No. 3* terminal and the battery negative terminal to the No. 2* terminal of the PGM-FI main relay. Then check for continuity between the No. 5* terminal and No. 2 terminal of the PGM-FI main relay.
- If there is continuity, go on to step 3.
- If there is no continuity, replace the relay and retest.




3. Attach the battery positive terminal to the No. 4 terminal and the battery negative terminal to the No. 7* terminal of the PGM-FI main relay. Then check that there is continuity between the No. 3 terminal and No. 1 terminal of the PGM-FI main relay.
- If there is continuity, go on to step 4.
- If there is no continuity, replace the relay and retest.

4. Attach the battery positive terminal to the No. 1 terminal and battery negative terminal to the No. 2* terminal of the PGM-FI main relay. Then check that there is continuity between the No. 5* terminal and No. 2 terminal of the PGM-FI main relay.
- If there is continuity, the relay is OK;
If the fuel pump still does not work, go to Harness Testing in the next column.
- If there is no continuity, replace the relay and retest.