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SEC-238 < COMPONENT DIAGNOSIS > [SEDAN WITH INTELLIGENT KEY] B2014 CHAIN OF STRG-IMMU B2014 CHAIN OF STRG-IMMU Description INFOID:0000000004206198 BCM performs the ID verification with the steering lock unit to release the steering. BCM starts the communi- cation with the steering lock unit when Intelligent Key is carried into the passenger compartment and the push- button ignition switch is pressed. DTC Logic INFOID:0000000004206199 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Lock steering. 2. Press the push-button ignition switch. 3. Check “Self Diagnostic Result” with CONSULT-III. YES >> Refer to SEC-238, "Diagnosis Procedure" NO >> Inspection End. Diagnosis Procedure INFOID:0000000004206200 1. CHECK STEERING LOCK UNIT POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect steering lock unit harness connector. 3. Check voltage between steering lock unit harness connector and ground while turning ignition switch from OFF to ACC. Is the inspection result normal? YES >> GO TO 3 NO >> GO TO 2 2. CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM harness connector. DTC No. Trouble diagnosis name DTC detecting condition Possible cause B2014 CHAIN OF STRG- Inactive communication between steering • Harness or connectors (steering lock unit circuit is open or short- • Steering lock unit Steering lock unit Ground Ignition switch position Voltage [V] Connector Terminal M32 7 Ground OFF → ACC Battery volt- age OFF or ON 0 ALKIA1348ZZ |