CHECK CHART FOR DIAGNOSIS CODES


caution During diagnosis, a diagnosis code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for diagnosis code(s). If diagnosis code(s) are set, erase them all.
Code No.
 Diagnostic item
 Reference page
B1400*2
 Driver’s air bag module (squib) system (short circuit between squib circuit terminals)
B1401*2
 Driver’s air bag module (squib) system (open circuit of squib circuit)
B1402*2
 Driver’s air bag module (squib) system (shorted to squib circuit earth)
B1403*2
 Driver’s air bag module (squib) system (shorted to squib circuit power supply)
B1404*4
 Driver’s air bag module (squib) activating circuit short-circuited
B1405*4
 Driver’s air bag module (squib) activating circuit open-circuited
B1406*4
 Malfunction of G-sensor inside right front impact sensor
B1407*2
 Front impact sensor (RH) voltage error
B1408*2
 Front impact sensor (RH) communication error
B1409*2
 Front impact sensor (RH) communication impossible
B1410*2
 Passenger’s (front) air bag module (squib) system (short circuit between squib circuit terminals)
B1411*2
 Passenger’s (front) air bag module (squib) system (open circuit of squib circuit)
B1412*2
 Passenger’s (front) air bag module (squib) system (shorted to squib circuit earth)
B1413*2
 Passenger’s (front) air bag module (squib) system (shorted to squib circuit power supply)
B1414*4
 Passenger’s (front) air bag module (squib) activating circuit short-circuited
B1415*4
 Passenger’s (front) air bag module (squib) activating circuit open-circuited
B1416*4
 Malfunction of G-sensor inside left front impact sensor
B1417*2
 Front impact sensor (LH) voltage error
B1418*2
 Front impact sensor (LH) communication error
B1419*2
 Front impact sensor (LH) communication impossible
B1420*2
 Right side-airbag module (squib) system (short circuit between squib terminals)
B1421*2
 Right side-airbag module (squib) system (open circuit of squib circuit)
B1422*2
 Right side-airbag module (squib) system (shorted to squib circuit earth)
B1423*2
 Right side-airbag module (squib) system (shorted to squib circuit power supply)
B1424*4
 Right side-airbag module (squib) activating circuit short-circuited
B1425*4
 Right side-airbag module (squib) activating circuit open-circuited
B1426*4
 Malfunction of G-sensor inside right side impact sensor
B1427*2
 Side impact sensor (RH) voltage error
B1428*2
 Side impact sensor (RH) communication error
B1429*2
 Side impact sensor (RH) communication impossible
B1430*2
 Left side-airbag module (squib) system (short circuit between squib terminals)
B1431*2
 Left side-airbag module (squib) system (open circuit of squib circuit)
B1432*2
 Left side-airbag module (squib) system (shorted to squib circuit earth)
B1433*2
 Left side-airbag module (squib) system (shorted to squib circuit power supply)
B1434*4
 Left side-airbag module (squib) activating circuit short-circuited
B1435*4
 Left side-airbag module (squib) activating circuit open-circuited
B1436*4
 Malfunction of G-sensor inside left side impact sensor
B1437*2
 Side impact sensor (LH) voltage error
B1438*2
 Side impact sensor (LH) communication error
B1439*2
 Side impact sensor (LH) communication impossible
B1440*2
 Right curtain air bag module (squib) system (short circuit between squib terminals)
B1441*2
 Right curtain air bag module (squib) system (open circuit of squib circuit)
B1442*2
 Right curtain air bag module (squib) system (shorted to squib circuit earth)
B1443*2
 Right curtain air bag module (squib) system (shorted to squib circuit power supply)
B1444*4
 Right curtain air bag module (squib) activating circuit short-circuited
B1445*4
 Right curtain air bag module (squib) activating circuit open-circuited
B1450*2
 Left curtain air bag module (squib) system (short circuit between squib terminals)
B1451*2
 Left curtain air bag module (squib) system (open circuit of squib circuit)
B1452*2
 Left curtain air bag module (squib) system (shorted to squib circuit earth)
B1453*2
 Left curtain air bag module (squib) system (shorted to squib circuit power supply)
B1454*4
 Left curtain air bag module (squib) activating circuit short-circuited
B1455*4
 Left curtain air bag module (squib) activating circuit open-circuited
B1466*4
 Analog G-sensor Malfunction
B1476*3
 IG1 power supply open circuit (Fuse No. 16 circuit)
B1478*4
 SRS-ECU Backup capacitor circuit voltage too High
B1479*4
 SRS-ECU Backup capacitor circuit voltage too Low
B1488*4
 Passenger’s air bag OFF indicator lamp (short circuit)
B1489*2
 Passenger’s air bag OFF indicator lamp (open circuit)
B1496*4
 SRS-ECU non-volatile memory (EEPROM*1)
B1498*4
 SRS-ECU abnormal condition in ROM or RAM
B1499*4
 Air bag deployment determined by SRS-ECU
B1547*4
 Passenger’s air bag cut off activating Circuit

B1557*4
 SRS-ECU application specific integrated circuit
B1570*2
 Passenger’s air bag cut off switch malfunction
B1573*2
 Passenger’s air bag cut off switch circuit (power supply side) shorted
B1574*2
 Passenger’s air bag cut off switch circuit open
B1575*2
 Passenger’s air bag cut off switch circuit (earth side) shorted
B1588*4
 SRS-ECU backup capacitor system (Up converter unit)

B1589*4
 SRS-ECU backup capacitor system (Down converter unit)
B1590*4
 SRS-ECU backup capacitor system (capacitance big)
B1591*4
 SRS-ECU backup capacitor system (capacitance small)
B1603*2
 Seat belt pre-tensioner (driver’s side) (squib) system (short circuit between squib circuit terminals)
B1604*2
 Seat belt pre-tensioner (driver’s side) (squib) system (open circuit of squib circuit)
B1605*2
 Seat belt pre-tensioner (driver’s side) (squib) system (shorted to squib circuit earth)
B1606*2
 Seat belt pre-tensioner (driver’s side) (squib) system (shorted to squib circuit power supply)
B1607*4
 Seat belt pre-tensioner (driver’s side) activating circuit short-circuited
B1608*4
 Seat belt pre-tensioner (driver’s side) activating circuit open-circuited
B1609*2
 Seat belt pre-tensioner (passenger’s side) (squib) system (short circuit between squib circuit terminals)
B1C49*2
 Seat belt pre-tensioner (passenger’s side) (squib) system (open circuit of squib circuit)
B1C47*2
 Seat belt pre-tensioner (passenger’s side) (squib) system (shorted to squib circuit earth)
B1612*2
 Seat belt pre-tensioner (passenger’s side) (squib) system (shorted to squib circuit power supply)
B1613*4
 Seat belt pre-tensioner (passenger’s side) (squib) activating circuit short-circuited
B1614*4
 Seat belt pre-tensioner (passenger’s side) (squib) activating circuit open-circuited
B1625*2
 Front passenger’s lap pre-tensioner (squib) system (short circuit between squib circuit terminals)
B1626*2
 Front passenger’s lap pre-tensioner (squib) system (open circuit of squib circuit)
B1627*2
 Front passenger’s lap pre-tensioner (squib) system (shorted to squib circuit earth)
B1628*2
 Front passenger’s lap pre-tensioner (squib) system (shorted to squib circuit power supply)
B1629*4
 Front passenger’s lap pre-tensioner (squib) activating circuit short-circuited
B1630*4
 Front passenger’s lap pre-tensioner (squib) system activating circuit open-circuited
B1631*2
 Driver’s knee air bag module (squib) system (short circuit between squib circuit terminals)
B1632*2
 Driver’s knee air bag module (squib) system (open circuit between squib circuit terminals)
B1633*2
 Driver’s knee air bag module (squib) system (shorted to squib circuit earth)
B1634*2
 Driver’s knee air bag module (squib) system (shorted to squib circuit power supply)
B1635*4
 Driver’s knee air bag (squib) activating circuit short-circuited
B1636*4
 Driver’s knee air bag module (squib) activating circuit open-circuited
B1646
 Coding data mismatch
B1647*4
 Passenger’s air bag ON indicator lamp (short circuit)
B1648*2
 Passenger’s air bag ON indicator lamp (open circuit)
B1699*4
 SRS-ECU collective deployment
U0100
 Engine CAN timeout

U0141
 ETACS CAN timeout

U1190*3
 No receive fault detect signal
U1195*3
 Coding not completed
U1199
 Chassis No. not programmed
U119A
 Chassis No. mismatch
note
  • *1: Electrically Erasable Programmable ROM
  • *2: This diagnosis code will remain in memory and the SRS warning lamp will be switched on even if the system returns to normal condition.
  • *3: This diagnosis code will remain in memory and the SRS warning lamp will be switched off when the system returns to normal condition.
  • *4: This diagnosis code cannot be erased by "Erase diagnosis codes" function.