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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) 13A-287 DIAGNOSIS PROCEDURE STEP 1: Check battery voltage. • Measure battery voltage at cranking. OK: 8 V or higher Q: Is the check result normal? YES : Go to Step 2 . NO : Check battery (Refer to GROUP 54A − Battery − On-vehicle Service − Battery Test STEP 2: MUT-III data list • Item 18: Cranking signal OK: ON (Ignition switch: ST) Q: Is the check result normal? YES : Go to Step 8 . NO : Go to Step 3 . STEP 3: Connector check: C-111 engine-ECU Q: Is the check result normal? YES : Go to Step 4 . NO : Repair or replace. STEP 4: Perform voltage measurement at C-111 • Disconnect connector, and measure at the harness side. • Ignition switch: ST • Voltage between terminal No. 51 and earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 7 . NO : Go to Step 5 . AK305625AB Connector: C-111 <L.H. drive vehicles> <R.H. drive vehicles> C-111 (GR) C-111 (GR) Harness side connector 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52 53 54 55 56 57 58 50 51 AK305625AB Connector: C-111 <L.H. drive vehicles> <R.H. drive vehicles> C-111 (GR) C-111 (GR) Harness side connector 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52 53 54 55 56 57 58 50 51 |