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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MFI) 13A-31 STEP 18. Check harness between B-08 (terminal Check output line for short circuit and damage. Q: Is the check result normal? YES : Replace air flow sensor. NO : Repair. STEP 19. Measure voltage at C-137 engine-ECU Measure engine-ECU terminal voltage. Ignition switch: ON Voltage between terminal No. 85 and earth. OK: Altitude 0m: 3.8 - 4.2 V Altitude 600m: 3.5 - 3.9 V Altitude 1,200m: 3.3 - 3.7 V Altitude 1,800m: 3.0 - 3.4 V Q: Is the check result normal? YES : Go to Step 21 . NO : Go to Step 20 . AK300253 3 4 5 1 2 6 7 AB Harness side connector B-08 (B) Connector: B-08 AK300254 82 78 8180 89 90 91 92 79 87 71 74 73 72 76 75 77 85 88 83 84 86 AB CONNECTOR: C-137 C-137 Harness side connector AK300254 82 78 8180 89 90 91 92 79 87 71 74 73 72 76 75 77 85 88 83 84 86 AB CONNECTOR: C-137 C-137 Harness side connector |