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B1122, B1123, B1124, B1125, B1126, B1127 DIAGNOSIS SENSOR UNIT SRC-113 < DTC/CIRCUIT DIAGNOSIS > C D E F G I J K L M A B SRC N O P B1122, B1123, B1124, B1125, B1126, B1127 DIAGNOSIS SENSOR UNIT DTC Logic INFOID:0000000009649937 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. CHECK SELF-DIAG RESULT With CONSULT 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT. Without CONSULT 1. Turn ignition switch ON. 2. Check the air bag warning lamp status. Refer to SRC-15, "On Board Diagnosis Function" . NOTE: Is malfunctioning part detected? YES >> Refer to SRC-113, "Diagnosis Procedure" . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009649938 WARNING: • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.) • Never use unspecified tester or other measuring device. 1. CHECK HARNESS CONNECTOR Check the harness connector. Is the inspection result normal? YES >> GO TO 2. NO >> Replace harness connectors. 2. CHECK WIRING HARNESS Check the wiring harness externals. Is the inspection result normal? YES >> GO TO 3. NO >> Replace wiring harness. 3. REPLACE AIR BAG DIAGNOSIS SENSOR UNIT 1. Replace air bag diagnosis sensor unit. Refer to SR-29, "Removal and Installation" 2. Perform DTC confirmation procedure. Refer to Is DTC detected? YES >> GO TO 1. NO >> INSPECTION END DTC Display contents of CONSULT DTC detecting condition Possible cause B1122 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit |