Main Relay (Computer/Fuel System): Testing and Inspection

MAIN RELAY

Inspection
1) Disconnect negative cable at battery.





2) Remove main relay from relay box.








3) Check resistance between each two terminals as in table above. If check results are as specified, proceed to next operation check. If not, replace.





4) Check that there is continuity between terminals "A" and "B" when battery is connected to terminals "C" and "D".
If found defective, replace.