Endeavor V6-3.8L SOHC (2004)
Q: Are the wiring harness between immobilizer-ECU connector C-39 (terminal 1) and MFI relay connector B-15X (terminal 4) in good condition?
YES : There is no action to be taken.
NO : Repair the wiring harness. Confirm that scan tool MB991958 communicates normally.
STEP 5. Measure the resistance at immobilizer-ECU connector C-39.
1. Do not disconnect immobilizer-ECU connector C-39.
2. Measure the resistance between terminal 2 and ground.
Q: Is the resistance less than 2 ohms?
YES : Go to Step 8.
NO : Go to Step 6.
STEP 6. Check immobilizer-ECU connector C-39 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is immobilizer-ECU connector C-39 in good condition?
YES : Go to Step 7.
NO : Repair or replace the component(s). Refer to Harness Connector Inspection. Confirm that scan tool MB991958 communicates normally.
