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DAS C1A05 BRAKE SW/STOP LAMP SW DAS-349 < DTC/CIRCUIT DIAGNOSIS > [LDW & LDP] C D E F G H I J K L M B N P A C1A05 BRAKE SW/STOP LAMP SW DTC Logic INFOID:0000000006228188 DTC DETECTION LOGIC NOTE: "ADAS CONTROL UNIT : DTC Logic" . Diagnosis Procedure INFOID:0000000006228189 1. CHECK SELF-DIAGNOSIS RESULTS 1. Perform “All DTC Reading” with CONSULT-III. 2. Check if the “U1000” is detected other than “C1A05” in “Self Diagnostic Result” of “ICC/ADAS”. Is “U1000” detected? YES >> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. DAS-374, "ADAS CONTROL UNIT : DTC Logic" . NO >> GO TO 2. 2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH Check that “STOP LAMP SW” and “BRAKE SW” operate normally in “DATA MONITOR” of “ICC/ADAS”. Is the inspection result normal? YES >> GO TO 3. NO-1 >> When “BRAKE SW” operation is malfunctioning: GO TO 4. NO-2 >> When “STOP LAMP SW” operation is malfunctioning: GO TO 9. 3. CHECK STOP LAMP SWITCH Check that “STOP LAMP SW” operate normally in “DATA MONITOR” of “ABS”. Is the inspection result normal? YES >> GO TO 14. NO >> GO TO 9. 4. CHECK ICC BRAKE SWITCH INSTALLATION 1. Turn ignition switch OFF. 2. Check ICC brake switch for correct installation. Refer to BR-7, "Inspection and Adjustment" . Is the inspection result normal? YES >> GO TO 5. NO >> Adjust ICC brake switch installation. Refer to BR-7, "Inspection and Adjustment" 5. ICC BRAKE SWITCH INSPECTION 1. Disconnect ICC brake switch connector. 2. Check ICC brake switch. Refer to DAS-352, "Component Inspection (ICC Brake Switch)" Is the inspection result normal? DTC (On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes C1A05 (5) BRAKE SW/STOP L A mismatch between a stop lamp switch signal • Stop lamp switch circuit tion • Incorrect ICC brake switch installa- tion • ECM trol unit) |