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B2190 CHAIN OF BCM - IMM ANT SEC-87 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B SEC N O P B2190 CHAIN OF BCM - IMM ANT DTC Logic INFOID:0000000010438822 DTC DETECTION LOGIC POSSIBLE CAUSE Intelligent Key FAIL-SAFE Security indicator lamp turn ON DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition). BCS-17, "POWER CONSUMPTION CONTROL SYSTEM : System Description" 2. Turn ignition switch ON. 3. Check to DTC in “Self Diagnostic Result” mode of “BCM” CONSULT. Is DTC detected? YES >> Refer to NO-1 >> To check malfunction symptom before repair: Refer to GI-44, "Intermittent Incident" NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010438823 1. INTELLIGENT KEY REGISTRATION Using CONSULT, register all Intelligent Keys again. >> GO TO 2 2. PERFORM SELF-DIAGNOSIS RESULT 1. Select “Self Diagnosis Result” mode of “BCM” using CONSULT. 2. Erase DTC. 3. Perform DTC CONFIRMATION PROCEDURE for B2190. Refer to Is DTC detected? YES >> GO TO 3 NO >> INSPECTION END 3. CHECK NATS ANTENNA COMMUNICATION SIGNAL Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope. DTC No. CONSULT screen items DTC detecting condition B2190–00 CHAIN OF BCM-IMM ANT When BCM cannot detect the Intelligent Key ID in 0.6 seconds. |