LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 x >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> Ecu Diagnosis Information >> Diagnosis Sensor Unit >> DTC Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Index

DTC Diagnostic item Explanation Refer to
- NO DTC IS DETECTED. When malfunction is indicated by the "AIR BAG" warning lamp in the user mode Low battery voltage (Less than 9 V) "CONSULT FUNCTION "
Malfunction occurs in Occupant Classification System "DIAGNOSIS PROCEDURE "
Self-diagnostic result is not erased after repair "ON BOARD DIAGNOSIS FUNCTION ", "CONSULT FUNCTION "
Intermittent malfunction is detected in the past "INTERMITTENT INCIDENT "
No malfunction is detected -
B1001-B1015 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning
B1017
B1020
B1021
OCCUPANT SENS C/U [UNIT FAIL] Malfunction occurs in Occupant Classification System control unit "DTC LOGIC "
B1018 OCCUPANT SENS [UNIT FAIL] Malfunction occurs in Occupant Classification System sensor "DTC LOGIC "
B1022 OCCUPANT SENS C/U [COMM FAIL] Malfunction occurs in Occupant Classification System control unit, circuit of Occupant Classification System control unit, or air bag diagnosis sensor unit "DTC LOGIC "
B1023 PASS A/B INDCTR CKT Passenger air bag OFF indicator circuit is open or shorted to ground or the circuits are shorted each other "DTC LOGIC "
B1025
B1032
B1048
OCS SENSOR Malfunction occurs in Occupant Classification System control unit, circuit of Occupant Classification System control unit, or air bag diagnosis sensor unit "DTC LOGIC "
B1026-B1031 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1033
B1034
CRASH ZONE SEN [UNIT FAIL] Crash zone sensor is malfunctioning "DTC LOGIC "
B1035 CRASH ZONE SEN [COMM FAIL] Crash zone sensor is malfunctioning "DTC LOGIC "
B1036 CRASH ZONE SEN [UNMATCH] Crash zone sensor is out of the specified specification "DTC LOGIC "
B1037
B1039
B1041
CRASH ZONE SENS1 Crash zone sensor is malfunctioning "DTC LOGIC "
B1042-B1047 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1049
B1054
DRIVER AIRBAG MODULE [OPEN] Driver air bag module circuit is open (including the spiral cable) "DTC LOGIC "
B1050
B1055
DRIVER AIRBAG MODULE [VB-SHORT] Driver air bag module circuit is shorted to power supply circuit (including the spiral cable) "DTC LOGIC "
B1051
B1056
DRIVER AIRBAG MODULE [GND-SHORT] Driver air bag module circuit is shorted to ground (including the spiral cable) "DTC LOGIC "
B1052
B1057
DRIVER AIRBAG MODULE [SHORT] Driver air bag module circuits are shorted to each other (including spiral cable) "DTC LOGIC "
B1058-B1063 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1065
B1070
ASSIST A/B MODULE [OPEN] Passenger air bag module circuit is open "DTC LOGIC "
B1066
B1071
ASSIST A/B MODULE [VB-SHORT] Passenger air bag module circuit is shorted to power supply circuit "DTC LOGIC "
B1067
B1072
ASSIST A/B MODULE [GND-SHORT] Passenger air bag module circuit is shorted to ground "DTC LOGIC "
B1068
B1073
ASSIST A/B MODULE [SHORT] Passenger air bag module circuits are shorted to each other "DTC LOGIC "
B1074-B1079 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1080
B1096
DRIVER AIRBAG MODULE [SHORT] Driver air bag module circuits are shorted to each other (including spiral cable) "DTC LOGIC "
B1081 PRE-TEN FRONT RH [OPEN] Front seat belt pre-tensioner RH circuit is open "DTC LOGIC "
B1082 PRE-TEN FRONT RH [VB-SHORT] Front seat belt pre-tensioner RH circuit is shorted to power supply circuit "DTC LOGIC "
B1083 PRE-TEN FRONT RH [GND-SHORT] Front seat belt pre-tensioner RH circuit is shorted to ground "DTC LOGIC "
B1084 PRE-TEN FRONT RH [SHORT] Front seat belt pre-tensioner RH circuits are shorted to each other "DTC LOGIC "
B1086 PRE-TEN FRONT LH [OPEN] Front seat belt pre-tensioner LH circuit is open "DTC LOGIC "
B1087 PRE-TEN FRONT LH [VB-SHORT] Front seat belt pre-tensioner LH circuit is shorted to power supply circuit "DTC LOGIC "
B1088 PRE-TEN FRONT LH [GND-SHORT] Front seat belt pre-tensioner LH circuit is shorted to ground "DTC LOGIC "
B1089 PRE-TEN FRONT LH [SHORT] Front seat belt pre-tensioner LH circuits are shorted to each other "DTC LOGIC "
B1090-B1095 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1106-B1111 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1113
B1114
SATELLITE SENS RH [UNIT FAIL] Satellite sensor RH is malfunctioning "DTC LOGIC "
B1115 SATELLITE SENS RH [COMM FAIL] Satellite sensor RH is malfunctioning "DTC LOGIC "
B1116 SATELLITE SENS RH [UNMATCH] Satellite sensor RH is out of the specified specification "DTC LOGIC "
B1118
B1119
SATELLITE SENS LH [UNIT FAIL] Satellite sensor LH is malfunctioning "DTC LOGIC "
B1120 SATELLITE SENS LH [COMM FAIL] Satellite sensor RH is malfunctioning "DTC LOGIC "
B1121 SATELLITE SENS LH [UNMATCH] Satellite sensor RH is out of the specified specification "DTC LOGIC "
B1122-B1127 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1129 SIDE MODULE RH [OPEN] Side air bag module RH circuit is open "DTC LOGIC "
B1130 SIDE MODULE RH [VB-SHORT] Side air bag module RH circuit is shorted to power supply circuit "DTC LOGIC "
B1131 SIDE MODULE RH [GND-SHORT] Side air bag module RH circuit is shorted to ground "DTC LOGIC "
B1132 SIDE MODULE RH [SHORT] Front seat belt pre-tensioner RH circuits are shorted to each other "DTC LOGIC "
B1134 SIDE MODULE LH [OPEN] Side air bag module LH circuit is open "DTC LOGIC "
B1135 SIDE MODULE LH [VB-SHORT] Side air bag module LH circuit is shorted to power supply circuit "DTC LOGIC "
B1136 SIDE MODULE LH [GND-SHORT] Side air bag module LH circuit is shorted to ground "DTC LOGIC "
B1137 SIDE MODULE LH [SHORT] Side air bag module LH circuits are shorted to each other "DTC LOGIC "
B1138-B1143 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1144 CONTROL UNIT [MISS INSTALLATION] Air bag diagnosis sensor unit is malfunctioning or out of the specified specification "DTC LOGIC "
B1145 CURTAIN MODULE RH [OPEN] Curtain air bag module RH circuit is open "DTC LOGIC "
B1146 CURTAIN MODULE RH [VB-SHORT] Curtain air bag module RH circuit is shorted to power supply circuit "DTC LOGIC "
B1147 CURTAIN MODULE RH [GND-SHORT] Curtain air bag module RH circuit is shorted to ground "DTC LOGIC "
B1148 CURTAIN MODULE RH [SHORT] Curtain air bag module RH circuits are shorted to each other "DTC LOGIC "
B1150 CURTAIN MODULE LH [OPEN] Curtain air bag module LH circuit is open "DTC LOGIC "
B1151 CURTAIN MODULE LH [VB-SHORT] Curtain air bag module LH circuit is shorted to power supply circuits "DTC LOGIC "
B1152 CURTAIN MODULE LH [GND-SHORT] Curtain air bag module LH circuit is shorted to ground "DTC LOGIC "
B1153 CURTAIN MODULE LH [SHORT] Curtain air bag module LH circuits are shorted to each other "DTC LOGIC "
B1154-B1159 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1170-B1175 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1182 PRE-TEN2 FRONT LH [OPEN] Lap pre-tensioner LH circuit is open "DTC LOGIC "
B1183 PRE-TEN2 FRONT LH [VB-SHORT] Lap pre-tensioner LH circuit is shorted to power supply circuit "DTC LOGIC "
B1184 PRE-TEN2 FRONT LH [GND-SHORT] Lap pre-tensioner LH circuit is shorted to ground "DTC LOGIC "
B1185 PRE-TEN2 FRONT LH [SHORT] Lap pre-tensioner LH circuits are shorted to each other "DTC LOGIC "
B1186-B1191 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1202-B1207 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1209 FRONTAL COLLISION DETECTION Front seat belt pre-tensioner, driver air bag and passenger air bag are deployed "DESCRIPTION "
B1210 SIDE COLLISION DETECTION Side air bag, curtain air bag and front seat belt pre-tensioner are deployed "DTC LOGIC "
B1212-B1214 RH1 SAT-SENS Satellite sensor RH is malfunctioning "DTC LOGIC "
B1215-B1217 LH1 SAT-SENS Satellite sensor LH is malfunctioning "DTC LOGIC "
B1218-B1223 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1234-B1239 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1250-B1255 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning "DTC LOGIC "
B1336
B1337
FR-RH DOOR SATEL SENS [SENSOR MALFUNCTION] Front door satellite sensor RH is malfunctioning "DTC LOGIC "
B1338
B1340
B1341
B1342
FR-RH DOOR SATEL SENS [COMM MALFUNCTION] Front door satellite sensor RH is malfunctioning "DTC LOGIC "
B1339 FR-RH DOOR SATEL SENS [MIS-INSTALLATION] Front door satellite sensor RH is out of the specified specification "DTC LOGIC "
B1343
B1344
FR-LH DOOR SATEL SENS [SENSOR MALFUNCTION] Front door satellite sensor LH is malfunctioning "DTC LOGIC "
B1345
B1347
B1348
B1349
FR-LH DOOR SATEL SENS [COMM MALFUNCTION] Front door satellite sensor LH is malfunctioning "DTC LOGIC "
B1346 FR-LH DOOR SATEL SENS [MIS-INSTALLATION] Front door satellite sensor LH is out of the specified specification "DTC LOGIC "
B1350 FR DOOR SATEL SENS Front door satellite sensor is malfunctioning "DTC LOGIC "