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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-399 (3) Measure the voltage between terminal No. 73 and ground by backprobing. • Warming up the engine. When the engine is 2,500 r/min, the output voltage should repeat 0 volt and 0.6 to 1.0 (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 4. STEP 4. Check connector B-23 at left bank heated oxygen YES : Go to Step 5. Connector Inspection . Then go to Step 15. AK000245 71 72 73 74 78 80 81 79 82 83 84 85 86 87 88 89 75 76 91 92 93 94 95 96 98 99 97 AK000245AE <M/T> C-62 HARNESS 77 90 100 AKX01542 AKX01542 7172 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 92 93 94 95 96 97 98 C-59 HARNESS AI <A/T> AK300410 1 2 3 4 LEFT BANK CONNECTOR: B-23 AB B-23 (GR) HARNESS CONNECTOR: |