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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-821 STEP 8. Check for short circuit to ground or harness No. 2) and ground. • Not continuity. Q: Is the harness wire in good condition? YES : Go to Step 9. is eliminated. STEP 9. Check for open circuit or harness damage side. (2) Measure the resistance between connector A-27X (terminal No. 1) and ground. • Should be less than 2 ohms. Q: Is the measured resistance less than 2 ohms? YES : Then go to Step 10. is eliminated. STEP 10. Measure the power supply voltage at starter relay side. (2) Measure the voltage between terminal No. 4 and ground. • Voltage should be battery positive voltage. Q: Is battery positive voltage (approximately 12 volts) present? A-27X (terminal No. 4) and fusible link (24) because AK900613 2 1 3 AC A-27X harness AK700518 2 1 3 AB A-27X harness 2 1 3 AK700519AB A-27X harness |