DTC B1093

Unprogrammed steering lock unit.

DETECTION CONDITION

• Unprogrammed steering lock unit.

POSSIBLE CAUSE

• Steering lock unit malfunction

• Open or short circuit in wiring harness between keyless control module and steering lock unit

• Keyless control module malfunction

STEP

INSPECTION

ACTION

1

• Disconnect keyless control module connector and steering lock unit connector.

• Is there continuity between keyless control module terminal 3P and steering lock unit terminal G?

Yes

• Perform the resetting procedure for the steering lock unit.

  (See STEERING LOCK UNIT ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

• Go to the next step.

No

• Repair the wiring harness between the steering lock unit and keyless control module.

• Go to next step.

2

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

• M-MDS: B1093

Yes

• Replace the steering lock unit and perform the resetting procedure for the steering lock unit.

  (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

  (See STEERING LOCK UNIT ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

• Go to the next step.

No

DTC troubleshooting completed.

3

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

• M-MDS: B1093

Yes

Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS SYSTEM].)

(See CARD KEY ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

(See STEERING LOCK UNIT ID CODE REGISTRATION [ADVANCED KEYLESS SYSTEM])

(See KEYLESS CONTROL MODULE CONFIGURATION [ADVANCED KEYLESS SYSTEM])

(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM])

(See SECURITY ACCESS PROCEDURE [ADVANCED KEYLESS SYSTEM])

No

DTC troubleshooting completed.