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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-597 Q: Are the connectors and terminals in good condition? YES : It can be assumed that this malfunction is intermittent. (Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunction ). Then go to Step 16 . NO : Repair or replace the damaged components. (Refer to GROUP 00E, Harness Connector Inspection STEP 10. Measure the 5-volt reference signal at PCM (3) Measure the voltage between terminal 46 and ground by backprobing. • The voltage should measure between 4.7 and 5.1 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 11 . AC002614 CONNECTOR: E-28 FUEL TANK AH E-28 (B) 2 1 3 E-28 HARNESS SIDE PCM 60 46 66 57 45 44 64 55 56 65 62 63 52 53 5051 61 42 59 48 41 43 54 AC202313 C-90 (GR) AC CONNECTOR: C-90 C-90 (GR) C-90 HARNESS SIDE CONNECTOR AC203262 AB C-90 HARNESS CONNECTOR: |