Accord SE Coupe L4-2156cc 2.2L SOHC MFI (1997)
Main Relay (Computer/Fuel System): Component Tests and General Diagnostics
NOTE: If the engine 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. 2 terminal and the battery negative terminal to the No. 1 terminal of the PGM-FI main relay. Then
check for continuity between the No. 5 terminal and No. 4 terminal of the PGM-FI main relay.
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If there is no continuity, replace the PGM-FI main relay and retest.
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If there is continuity, go on to step 3.
3. Attach the battery positive terminal to the No. 5 terminal and the battery negative terminal to the No. 3 terminal of the PGM-FI main relay. Then
check that there is continuity between the No. 7 terminal and No. 6 terminal of the PGM-FI main relay.
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If there is no continuity, replace the PGM-FI main relay and retest.
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If there is continuity, go on to step 4.
4. Attach the battery positive terminal to the No. 6 terminal and the battery negative terminal to the No. 1 terminal of the PGM-FI main relay. Then
check that there is continuity between the No. 5 terminal and No. 4 terminal of the PGM-FI main relay.
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If there is no continuity, replace the PGM-FI main relay and retest.
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If there is continuity, the PGM-FI main relay is OK. If the fuel pump still does not work, go to Harness Testing on the next page.
