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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4A9> 13A-170 DIAGNOSIS PROCEDURE STEP 1. Connector check: A-131 alternator Q: Is the check result normal? YES : Go to Step 2 . NO : Repair or replace the connector. STEP 2. Perform voltage measurement at A-131 • Disconnect connector, and measure at harness side. • Ignition switch: ON • Voltage between terminal No. 4 and earth. OK: system voltage Q: Is the check result normal? YES : Go to Step 6 . NO : Go to Step 3 . STEP 3. Connector check: A-114 engine-ECU Q: Is the check result normal? YES : Go to Step 4 . NO : Repair or replace the connector. AK402015 2 1 3 4 AC Connector: A-131 A-131 (G) A-131 Harness side AK402015 2 1 3 4 AC Connector: A-131 A-131 (G) A-131 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 |