Endeavor V6-3.8L SOHC (2004)
NOTE: Also check intermediate connector A-13 and C-31,and key reminder switch connector C-310 for loose, corroded, or damaged terminals, or
terminals pushed back in the connector. If intermediate connector A-13 or C-31, or key reminder switch connector C-310 is damaged, Repair or replace
the damaged component(s). Refer to Harness Connector Inspection.
Q: Are the harness wires between immobilizer-ECU connector C-310-1 (terminal 5) and MFI relay connector B-15X (terminal 4) in good condition?
YES : There is no action to be taken.
NO : Replace damaged component(s). Confirm that scan tool MB991958 communicates normally.
STEP 5. Measure the resistance at immobilizer-ECU connector C-310.
