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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MFI) 13A-235 STEP 5. Measure voltage at C-134 engine-ECU Measure engine-ECU terminal voltage. Ignition switch: ON Voltage between terminal No. 12 and earth, also OK: System voltage Q: Is the check result normal? YES : Check and repair C-134 engine-ECU connector. NO : Go to Step 6 . STEP 6. Connector check: C-137 engine-ECU Q: Is the check result normal? YES : Go to Step 7 . NO : Repair. STEP 7. Measure voltage at C-137 engine-ECU Measure engine-ECU terminal voltage. Ignition switch: ON Voltage between terminal No. 82 and earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 12 . NO : Go to Step 8 . STEP 8. Connector check: C-137 engine-ECU Q: Is the check result normal? YES : Go to Step 9 . NO : Repair. AK300257 1 14 4 19 5 22 6 17 8 15 9 18 7 20 16 2 13 12 23 24 25 26 21 3 10 11 AB CONNECTOR: C-134 C-134 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 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 |