Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Infiniti M37 xFACTORY OEM SERVICE PROCEDURE
SRS Airbag Control System
- Precaution
- System Description
- Ecu Diagnosis Information
- Wiring Diagram
- Basic Inspection
- DTC/Circuit Diagnosis
- DTC Index
- DTC U1000: Can Comm Circuit
- DTC U1010: Control Unit (Can)
- DTC B1001, B1002, B1003, B1004, B1005: Diagnosis Sensor Unit
- DTC B1006, B1007, B1008, B1009, B1010: Diagnosis Sensor Unit
- DTC B1011, B1012, B1013, B1014, B1015: Diagnosis Sensor Unit
- DTC B1017, B1020, B1021: Occupant System Control Unit
- DTC B1018: Occupant System Sensor
- DTC B1022: Occupant System Control Unit
- DTC B1023: Passenger Air Bag Off Indicator
- DTC B1025, B1032, B1048: Occupant System Sensor
- DTC B1026, B1027, B1028, B1029, B1030, B1031: Diagnosis Sensor Unit
- DTC B1033, B1034: Crash Zone Sensor
- DTC B1035: Crash Zone Sensor
- DTC B1036: Crash Zone Sensor
- DTC B1037, B1039, B1041: Crash Zone Sensor
- DTC B1042, B1043, B1044, B1045, B1046, B1047: Diagnosis Sensor Unit
- DTC B1049, B1054: Driver Air Bag Module
- DTC B1050, B1055: Driver Air Bag Module
- DTC B1051, B1056: Driver Air Bag Module
- DTC B1052, B1057: Driver Air Bag Module
- DTC B1058, B1059, B1060, B1061, B1062, B1063: Diagnosis Sensor Unit
- DTC B1065, B1070: Passenger Air Bag Module
- DTC B1066, B1071: Passenger Air Bag Module
- DTC B1067, B1072: Passenger Air Bag Module
- DTC B1068, B1073: Passenger Air Bag Module
- DTC B1074, B1075, B1076, B1077, B1078, B1079: Diagnosis Sensor Unit
- DTC B1080, B1096: Driver Air Bag Module
- DTC B1081: Seat Belt Pre-TENSIONER RH
- DTC B1082: Seat Belt Pre-TENSIONER RH
- DTC B1083: Seat Belt Pre-TENSIONER RH
- DTC B1084: Seat Belt Pre-TENSIONER RH
- DTC B1086: Seat Belt Pre-TENSIONER LH
- DTC B1087: Seat Belt Pre-TENSIONER LH
- DTC B1088: Seat Belt Pre-TENSIONER LH
- DTC B1089: Seat Belt Pre-TENSIONER LH
- DTC B1090, B1091, B1092, B1093, B1094, B1095: Diagnosis Sensor Unit
- DTC B1106, B1107, B1108, B1109, B1110, B1111: Diagnosis Sensor Unit
- DTC B1113, B1114: Satellite Sensor RH
- DTC B1115: Satellite Sensor RH
- DTC B1116: Satellite Sensor RH
- DTC B1118, B1119: Satellite Sensor LH
- DTC B1120: Satellite Sensor LH
- DTC B1121: Satellite Sensor LH
- DTC B1122, B1123, B1124, B1125, B1126, B1127: Diagnosis Sensor Unit
- DTC B1129: Side Air Bag Module RH
- DTC B1130: Side Air Bag Module RH
- DTC B1131: Side Air Bag Module RH
- DTC B1132: Side Air Bag Module RH
- DTC B1134: Side Air Bag Module LH
- DTC B1135: Side Air Bag Module LH
- DTC B1136: Side Air Bag Module LH
- DTC B1137: Side Air Bag Module LH
- DTC B1138, B1139, B1140, B1141, B1142, B1143: Diagnosis Sensor Unit
- DTC B1144: Diagnosis Sensor Unit
- DTC B1145: Curtain Air Bag Module RH
- DTC B1146: Curtain Air Bag Module RH
- DTC B1147: Curtain Air Bag Module RH
- DTC B1148: Curtain Air Bag Module RH
- DTC B1150: Curtain Air Bag Module LH
- DTC B1151: Curtain Air Bag Module LH
- DTC B1152: Curtain Air Bag Module LH
- DTC B1153: Curtain Air Bag Module LH
- DTC B1154, B1155, B1156, B1157, B1158, B1159: Diagnosis Sensor Unit
- DTC B1170, B1171, B1172, B1173, B1174, B1175: Diagnosis Sensor Unit
- DTC B1182: Lap Pre-TENSIONER LH
- DTC B1183: Lap Pre-TENSIONER LH
- DTC B1184: Lap Pre-TENSIONER LH
- DTC B1185: Lap Pre-TENSIONER LH
- DTC B1186, B1187, B1188, B1189, B1190, B1191: Diagnosis Sensor Unit
- DTC B1202, B1203, B1204, B1205, B1206, B1207: Diagnosis Sensor Unit
- DTC B1209: Frontal Collision Detection
- DTC B1210: Side Collision Detection
- DTC B1212, B1213, B1214: Satellite Sensor RH
- DTC B1215, B1216, B1217: Satellite Sensor LH
- DTC B1218, B1219, B1220, B1221, B1222, B1223: Diagnosis Sensor Unit
- DTC B1234, B1235, B1236, B1237, B1238, B1239: Diagnosis Sensor Unit
- DTC B1250, B1251, B1252, B1253, B1254, B1255: Diagnosis Sensor Unit
- DTC B1336, B1337: Satellite Sensor RH
- DTC B1338, B1340, B1341, B1342: Satellite Sensor RH
- DTC B1339: Satellite Sensor RH
- DTC B1343, B1344: Satellite Sensor LH
- DTC B1345, B1347, B1348, B1349: Satellite Sensor LH
- DTC B1346: Satellite Sensor LH
- DTC B1350: Satellite Sensor
- Symptom Diagnosis
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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