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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-765 STEP 7. Check the right bank injector resistance at terminal. a. Measure the resistance between terminal No. 6 and No. 7 at No. 1 cylinder injector. b. Measure the resistance between terminal No. 6 and No. 8 at No. 3 cylinder injector. c. Measure the resistance between terminal No. 6 and No. 9 at No. 5 cylinder injector. • Resistance should be between 10.5 and 13.5 ohms [at 20 °C (68°F)]. Q: Is the measured resistance between 10.5 and 13.5 ohms [at 20 °C (68°F)]? YES : Go to Step 10. STEP 8. Check the right bank injector resistance. deviates from the standard value at Step 7. (3) Measure the resistance between injector side connector terminal No. 1 and No. 2. Standard value: 10.5 − 13.5 Ω [at 20°C (68°F)] Q: Is the measured resistance between 10.5 and 13.5 ohms [at 20 °C (68°F)]? YES : Go to Step 9. malfunction symptom is eliminated. STEP 9. Check harness connector B-101, B-103, B-104 at standard value at Step 7. Q: Is the harness connector in good condition? YES : Repair harness wire between injector intermediate connector and right bank injector connector because NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then confirm that the malfunction symptom is eliminated. AK700205 1 2 3 6 7 8 4 5 9 10 AB B-21 AK700204 1 2 AB Injector side |