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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-405 STEP 9. Measure the power supply voltage at intake side. (2) Turn the ignition switch to the "ON" position. • Voltage should be between 4.9 and 5.1 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 12. STEP 10. Check harness connector B-09 at ECM for YES : Go to Step 11. Connector Inspection . Then go to Step 19. STEP 11. Check for open circuit and short circuit to ground YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, ID Code or GROUP 42C, ID Codes Registration Judgment Table <Vehicles with WCM> NO : Repair it. Then go to Step 19. STEP 12. Check the continuity at intake camshaft position side. (2) Check for the continuity between terminal No. 2 and ground. • Continuity (2 ohms or less). Q: Does continuity exist? YES : Go to Step 15. AK604203 1 2 3 AD B-07 harness AK604204 1 2 3 AD B-07 harness |