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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4A9> 13A-114 DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III data list • Refer to Data List Reference Table . a. Item 14: Throttle position sensor (sub) Q: Is the check result normal? YES : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/Inspection Service Points − How to Cope with Intermittent Malfunctions ). NO : Go to Step 2 . STEP 2. Connector check: A-107 Q: Is the check result normal? YES : Go to Step 3 . NO : Repair or replace the connector. STEP 3. Perform resistance measurement at • Disconnect connector, and measure at harness side. • Resistance between terminal No. 3 and earth. OK: Continuity (2 Ω or less) Q: Is the check result normal? YES : Go to Step 7 . NO : Go to Step 4 . STEP 4. Connector check: A-114 engine-ECU Q: Is the check result normal? YES : Go to Step 5 . NO : Repair or replace the connector. AK402006 1 6 5 4 3 2 AC A-107 (B) Connector: A-107 A-107 Harness side AK402006 1 6 5 4 3 2 AC A-107 (B) Connector: A-107 A-107 Harness side AK402745 6 4 2 5 3 1 9 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 L AD A-114 Connector: A-114 Harness side connector Engine-ECU <M/T> or Battery Main Index Group TOC |