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FLA -446 FUEL SYSTEM 4) Measure the voltage between terminal 2 of main relay harness connector and chassis ground. 5) Measure the voltage between terminal 5 of main relay harness connector and chassis ground. Specification : B+ 6) Is the measured voltage within specification ? YES ▶ Go to "Check open in harness" procedure. NO ▶ Check the fuse between battery and main relay. 2. Check open in harness 1) Key "OFF". 2) Disconnect main relay and PCM connector. 3) Measure the resistance between terminal 3 of main relay harness connector and terminals C30-A (38,39,40) of Specification : Approx. below 1Ω 4) Is the measured resistance within specification ? YES ▶ Go to "Check short in harness" procedure. NO ▶ Repair open in harness and go to "Verification of Vehicle Repair" procedure . 3. Check short in harness 1) Key "OFF". 2) Disconnect main relay and PCM connector. 3) Measure the resistance between terminal 3 of main relay harness connector and chassis ground. Specification : Infinite 4) Is the measured resistance within specification ? YES ▶ Go to "Control circuit inspection" procedure. NO ▶ Repair short in harness and go to "Verification of Vehicle Repair" procedure. |