Endeavor V6-3.8L SOHC (2004)
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch "ON" to position.
3. Read the MFI system diagnosis code.
Q: Can scan tool MB991958 communicate with the MFI system? Is an MFI system DTC other than P0513 set?
YES : Go to Step 2.
NO : Refer to MFI Diagnosis/P0513. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble
Code Tests and Associated Procedures/P Code Charts/P0513
STEP 2. Measure the voltage at immobilizer-ECU connector C-310-1.
1. Disconnect immobilizer-ECU connector C-310-1.
2. Turn the ignition switch to the "ON" position.
3. Measure the voltage between terminal 5 and ground.
Q: Is battery voltage (approximately 12 volts) present?