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SRC-32 < DTC/CIRCUIT DIAGNOSIS > B1017, B1020, B1021 OCCUPANT SENS C/U B1017, B1020, B1021 OCCUPANT SENS C/U DTC Logic INFOID:0000000007564591 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. CHECK SELF-DIAG RESULT With CONSULT 1. Turn ignition switch ON. 2. Perform “AIR BAG” Self Diagnostic Result with CONSULT. Without CONSULT 1. Turn ignition switch ON. 2. Check the air bag warning lamp status. Refer to SRC-13, "On Board Diagnosis Function" NOTE: Is malfunctioning part detected? YES >> Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000007564592 WARNING: Always observe the following items for preventing accidental activation. more. (To discharge backup capacitor.) • Never use unspecified tester or other measuring device. DIAGNOSTIC PROCEDURE 1. CHECK HARNESS CONNECTOR Check the connection of harness connector. Is the inspection result normal? YES >> GO TO 2. NO >> Replace harness connectors. 2. CHECK WIRING HARNESS Check the wiring harness externals. YES >> GO TO 3. NO >> Replace wiring harness. 3. REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT 1. Replace passenger seat cushion assembly. Refer to SR-33, "Removal and Installation" . 2. Perform DTC confirmation procedure. Refer to . Is DTC detected? YES >> GO TO 4. NO >> INSPECTION END 4. REPLACE AIR BAG DIAGNOSIS SENSOR UNIT 1. Replace air bag diagnosis sensor unit. Refer to SR-30, "Removal and Installation" DTC Display contents of CONSULT DTC detecting condition Possible cause B1017 OCCUPANT SENS C/U Occupant Classification System control • Disconnection of wiring harness control unit • Malfunction in air bag diagnosis sensor unit Revision: 2013 February 2012 Murano CrossCabriolet |