Transponder Lock Check

WARNING: This page is about a different variant/trim than selected.

Required Special Tools:

MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: MUT-III USB Cable
- MB991911: MUT-III Main Harness B

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

Follow the procedure below to judge if the ignition key can be overwritten (i.e. the ignition key is correct) or not.

Connect the scan tool MB991958 to the data link connector.

Fig 1: Connecting Scan Tool To Data Link Connector
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Insert the key to be checked and turn the ignition switch to "ON" position.
Select "Interactive Diagnosis" from the start-up screen.

Fig 2: Displaying Interactive Diagnosis On Start-Up Screen
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Select "System select."

Fig 3: Displaying System Select Screen
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Choose "IMMOBILIZER" from the "POWER TRAIN" tab.

Fig 4: Displaying Immobilizer On Power Train Tab
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Select "Data List."

Fig 5: Displaying Data List Screen
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
The multi-center display shows whether the ignition key, which has been inserted in the switch, can be rewritten and how many ignition keys have ever been registered. Repeat this check for an other keys to be registered.

Fig 6: Displaying Ignition Keys Judgement Chart

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 7: Identifying Data List Reference Table

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.