Endeavor V6-3.8L SOHC (2004)
disconnecting scan tool MB991958.
Use scan tool MB991958 to check if DTC 11 is set.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch "ON" position.
3. Read the immobilizer system diagnostic trouble code.
Q: Does DTC11 reset?
YES : Refer to Diagnostic Trouble Code Chart.
NO : Replace the ignition key that cannot be registered. Then go to Step 2.
STEP 2. Retest the system.
Register the ignition key.
Q: Does registered ignition key function properly?
YES : The procedure is complete.
NO : Replace the immobilizer-ECU.
Inspection Procedure 3
Engine Cranks, but does not Start.
TECHNICAL DESCRIPTION
If the engine cranks, but does not start, an MFI system problem may exist in addition to a malfunctioning immobilizer system. The engine will not start if
the ignition key has not been properly registered.
TROUBLESHOOTING HINTS
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Malfunction of MFI system
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Malfunction of immobilizer-ECU
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicle Communication Interface (V.C.I.)
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MB991827: MUT-III USB Cable
