DTC B1093 [ADVANCED KEYLESS SYSTEM]


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	INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY • Disconnect keyless control module connector and steering lock unit connector. • Is there continuity between keyless control module terminal 3H and steering lock unit terminal K?	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.
1		No	• Repair the wiring harness between the steering lock unit and keyless control module. • Go to next step.
2	INSPECT STEERING LOCK UNIT • Turn the ignition switch to the ON position. • Is the DTC displayed? - WDS or equivalent: 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.
2		No	DTC troubleshooting completed.
3	INSPECT KEYLESS CONTROL MODULE • Turn the ignition switch to the ON position. • Is the DTC displayed? - WDS or equivalent: 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 [ADVANCED KEYLESS SYSTEM]) (See SECURITY ACCESS PROCEDURE)
3		No	DTC troubleshooting completed.