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

CIRCUIT DIAGRAM








HARNESS INSPECTION

MFI CONTROL RELAY INSPECTION





1. Energize the relay contacts between terminals 4 (+) and 2 (-).





2. Measure continuity between terminals 5 and 1.





2. Energize the relay contacts between terminals 4 (+) and 2 (-).





2. Measure for continuity between terminals 5 and 3.
3. If faulty replace the MFI control relay

MFI control relay torque: 7 - 11 Nm (5.2 - 8.1 lb.ft)