NOTE: Password must be 4 digits. Each digit must be a value from zero to 9. After password is changed, ensure vehicle owner gets a copy of NEW 4-digit password.

Obtain password from vehicle owner. Connect MUT-II scan tool to DLC. See Figure . See FUNCTION SELECTION . From special function menu, select PASSWORD SET. Enter current 4-digit password. Using up and down keys, enter password digit from zero to 9. Using left and right keys, move to next password digit. When password is entered, press "Y" key.
If wrong password is input 5 times in a row, scan tool screen will display CAN'T EXECUTE FOR 20 MIN. DUE TO WRONG PASSWORD. Immobilizer-ECU will switch to start-prevention mode.
If correct password is entered, screen will display PLEASE ENTER A NEW PASSWORD. Enter new 4-digit password as described in step 1 . After new password is entered, press "Y" key.
If new password is successfully registered, scan tool screen will display COMPLETED. If new password is not successfully registered, scan tool screen will display CAN'T EXECUTE. Repeat procedure.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Password Set

Use the Manual With the Right Hardware

When to See a Mechanic

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