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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-63 STEP 8. Check the sensor supply voltage at ECM connector C-54 <A/T>. (2) Disconnect the intake air temperature sensor connector B- 14. (3) Turn the ignition switch to the "ON" position. T> and ground by backprobing. • Voltage should be between 4.5 and 4.9 volts. (5) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the voltage normal? YES : Go to Step 9. STEP 9. Check connector C-60 at ECM <M/T> or connector YES : Repair harness wire between intake air temperature sensor connector B-14 terminal 6 and ECM connector NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection ( ). Then go to Step 19. STEP 10. Check connector C-60 at ECM <M/T> or YES : Go to Step 11. Connector Inspection ( ). Then go to Step 19. AK000285 7172 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 92 91 AC <M/T> C-60 CONNECTOR AK000286 C-54 CONNECTOR 46 45 44 43 54 64 42 41 53 52 51 50 AD <A/T> AK000280 C-54 C-60 ECM<M/T> CONNECTORS:C-60<M/T>,C-54<A/T> BB AK000280 C-54 C-60 ECM<M/T> CONNECTORS:C-60<M/T>,C-54<A/T> BB |