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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-259 STEP 14. Check the sensor power supply lines. flow through the harness ECM connector (terminal 81) <M/ Q: Is there any failure in the sensor power supply lines? When a failure is found : Repair if necessary. (Refer to GROUP 90, Circuit Diagrams − MFI System <M/T> STEP 15. Check the ground circuit voltage at ECM connector C-54 <A/T>. (2) Turn the ignition switch to the "ON" position. T> and ground by backprobing. • Voltage should be 0.5 volts or less. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the multi-meter reading below the specified value? YES : Check connectors D-16, C-90, C-28, C-60 <M/T> or C-54 <A/T> and repair or replace as required. Refer . If connectors D-16, C-90, C-28, C-60 <M/T> or C-54 <A/T> are in good condition, check the NO : Go to Step 16. STEP 16. Check ECM connector C-60 <M/T> or PCM C-54 <A/T>. Q: Is there any failure at ECM connector C-60 <M/T> or PCM connector C-54 <A/T>? Connector Inspection . Then go to Step 26. NO : Go to Step 26. AC002554 AC <M/T> C-60 <A/T> C-54 HARNESS SIDE AC001689 CONNECTOR: C-60 <M/T>, C-54 <A/T> ECM <M/T> AL C-54 C-60 |