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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MFI) 13A-227 STEP 11. Measure voltage at C-135 engine-ECU Disconnect connector, and measure at harness Ignition switch: ON Voltage between terminal No. 33 and earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 12 . NO : Check and repair harness between B-19 (terminal No. 4) intermediate connector and Check output line for short circuit. STEP 12. Measure voltage at C-135 engine-ECU Measure engine-ECU terminal voltage. Engine: Idling after warm-up Transmission: Neutral Radiator fan: Inactive Voltage between terminal No. 8 and earth. OK: Switching the headlamps to ON from -
3.5 V. Q: Is the check result normal? YES : Go to Step 13 . NO : Check alternator. STEP 13. Check the trouble symptoms. Q: Does trouble symptom persist? YES : Replace engine-ECU. NO : Intermittent malfunction (Refer to GROUP - How to Use Troubleshooting/Inspection Service Points AK300256 34 33 32 36 35 37 42 45 31 39 38 46 40 41 43 44 AB CONNECTOR: C-135 C-135 Harness side connector AK300295 1 2 3 4 5 6 AB CONNECTOR: B-19 B-19 (B) Male side AK300256 34 33 32 36 35 37 42 45 31 39 38 46 40 41 43 44 AB CONNECTOR: C-135 C-135 Harness side connector |