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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MFI) 13A-159 STEP 6. Measure voltage at C-134 engine-ECU Disconnect connector, and measure at harness Ignition switch: ON Voltage between terminal No. 4 and earth, OK: System voltage Q: Is the check result normal? YES : Go to Step 7 . NO : Check and repair harness between B-105 idle speed control servo and C-134 engine- 1. Harness between idle speed control servo terminal No. 1 and engine- 2. Harness between idle speed control servo terminal No. 3 and engine- 3. Harness between idle speed control servo terminal No. 4 and engine- 4. Harness between idle speed control servo terminal No. 6 and engine- Check power supply line for STEP 7. Connector check: C-134 engine-ECU Q: Is the check result normal? YES : Go to Step 8 . 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 1 2 3 4 5 6 AK300287 Harness side B-105 (B) AB Connector: B-105 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 |