Diagnostic Procedure

DTC B1129 DIAGNOSTIC PROCEDURE TABLE

STEP	INSPECTION		ACTION
1	INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY Disconnect keyless control module connector and keyless antenna (interior, middle) connector. Inspect the continuity between the following connector terminals. keyless control module: 2K-keyless antenna: A keyless control module: 2L-keyless antenna: B Is there continuity?	Yes	Replace keyless antenna (interior, middle). (See KEYLESS ANTENNA REMOVAL/INSTALLATION .) Go to next step.
1		No	Repair the wiring harness between the keyless antenna (interior, middle) and keyless control module. Go to next step.
2	INSPECT KEYLESS CONTROL MODULE Turn the ignition switch to the ON position. Is the DTC displayed? WDS or equivalent: B1129	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 .) (See CARD KEY ID CODE REGISTRATION [WITH ADVANCED KEYLESS SYSTEM] .) (See STEERING LOCK UNIT ID CODE REGISTRATION [WITH ADVANCED KEYLESS SYSTEM] .) (See KEYLESS CONTROL MODULE CONFIGULATION [WITH ADVANCED KEYLESS SYSTEM] .) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM] .) (See SECURITY ACCESS PROCEDURE .)
2		No	DTC troubleshooting completed.