52B-DIAGNOSTIC TROUBLE CODE CHART<SRS-ECU>

CHECK CHART FOR DIAGNOSTIC TROUBLE CODES <SRS-ECU>

caution

During diagnosis, a DTC associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all.

DTC	Diagnostic item	Reference page
B1400^*2	Driver's air bag module (1st squib) system (short circuit between squib circuit terminals)
B1401^*2	Driver's air bag module (1st squib) system (open circuit of squib circuit)
B1402^*2	Driver's air bag module (1st squib) system (Shorted to squib circuit ground)
B1403^*2	Driver's air bag module (1st squib) system (Shorted to squib circuit power supply)
B1404^*2	Driver's air bag module (1st squib ignition drive circuit) system detected short circuit
B1405^*2	Driver's air bag module (1st squib ignition drive circuit) system detected open circuit
B1406^*2	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 (1st squib) system (short circuit between squib circuit terminals)
B1411^*2	Passenger's (front) air bag module (1st squib) system (open circuit of squib circuit)
B1412^*2	Passenger's (front) air bag module (1st squib) system (shorted to squib circuit ground)
B1413^*2	Passenger's (front) air bag module (1st squib) system (shorted to squib circuit power supply)
B1414^*2	Passenger’s (front) air bag module (1st squib ignition drive circuit) system detected short circuit
B1415^*2	Passenger’s (front) air bag module (1st squib ignition drive circuit) system detected open circuit
B1416^*2	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	Side-airbag module (RH) (squib) system (short circuit between squib terminals)
B1421^*2	Side-airbag module (RH) (squib) system (open circuit of squib circuit)
B1422^*2	Side-airbag module (RH) (squib) system (shorted to squib circuit ground)
B1423^*2	Side-airbag module (RH) (squib) system (shorted to squib circuit power supply)
B1424^*2	Side-airbag module (RH) (squib) activating circuit short-circuited
B1425^*2	Side-airbag module (RH) (squib) activating circuit open-circuited
B1426^*2	Malfunction of G-sensor inside front right side impact sensor
B1427^*2	Side impact sensor (Front: RH) voltage error
B1428^*2	Side impact sensor (Front: RH) communication error
B1429^*2	Side impact sensor (Front: RH) communication impossible
B1430^*2	Side-airbag module (LH) (squib) system (short circuit between squib terminals)
B1431^*2	Side-airbag module (LH) (squib) system (open circuit of squib circuit)
B1432^*2	Side-airbag module (LH) (squib) system (shorted to squib circuit ground)
B1433^*2	Side-airbag module (LH) (squib) system (shorted to squib circuit power supply)
B1434^*2	Side-airbag module (LH) (squib) activating circuit short-circuited
B1435^*2	Side-airbag module (LH) (squib) activating circuit open-circuited
B1436^*2	Malfunction of G-sensor inside front left side impact sensor
B1437^*2	Side impact sensor (Front: LH) voltage error
B1438^*2	Side impact sensor (Front: LH) communication error
B1439^*2	Side impact sensor (Front: LH) communication impossible
B1440^*2	Curtain air bag module (RH) (squib) system (short circuit between squib terminals)
B1441^*2	Curtain air bag module (RH) (squib) system (open circuit of squib circuit)
B1442^*2	Curtain air bag module (RH) (squib) system (shorted to squib circuit ground)
B1443^*2	Curtain air bag module (RH) (squib) system (shorted to squib circuit power supply)
B1444^*2	Curtain air bag module (RH) (squib) activating circuit short-circuited
B1445^*2	Curtain air bag module (RH) (squib) activating circuit open-circuited
B1446^*2	Malfunction of G-sensor inside rear right side impact sensor
B1447^*2	Side impact sensor (Rear: RH) voltage error
B1448^*2	Side impact sensor (Rear: RH) communication error
B1449^*2	Side impact sensor (Rear: RH) communication impossible
B1450^*2	Curtain air bag module (LH) (squib) system (short circuit between squib terminals)
B1451^*2	Curtain air bag module (LH) (squib) system (open circuit of squib circuit)
B1452^*2	Curtain air bag module (LH) (squib) system (shorted to squib circuit ground)
B1453^*2	Curtain air bag module (LH) (squib) system (shorted to squib circuit power supply)
B1454^*2	Curtain air bag module (LH) (squib) activating circuit short-circuited
B1455^*2	Curtain air bag module (LH) (squib) activating circuit open-circuited
B1456^*2	Malfunction of G-sensor inside rear left side impact sensor
B1457^*2	Side impact sensor (Rear: LH) voltage error
B1458^*2	Side impact sensor (Rear: LH) communication error
B1459^*2	Side impact sensor (Rear: LH) communication impossible
B1466^*2	Analog G-sensor malfunction
B1476^*2	IG1 power supply open circuit (fuse No.16 circuit)
B1478^*2	SRS-ECU backup capacitor circuit voltage too High
B1479^*2	SRS-ECU backup capacitor circuit voltage too Low
B1480^*2	Driver's air bag module (2nd squib) system (short circuit between squib circuit terminals)
B1481^*2	Driver's air bag module (2nd squib) system (open circuit of squib circuit)
B1482^*2	Driver's air bag module (2nd squib) system (shorted to squib circuit ground)
B1483^*2	Driver's air bag module (2nd squib) system (shorted to squib circuit power supply)
B1484^*2	Driver's air bag module (2nd squib ignition drive circuit) system detected short circuit
B1485^*2	Driver's air bag module (2nd squib ignition drive circuit) system detected open circuit
B1488^*2	Passenger's air bag OFF indicator light (short circuit)
B1489^*2	Passenger's air bag OFF indicator light (open circuit)
B1490^*2	Passenger's (front) air bag module (2nd squib) system (short circuit between squib circuit terminals)
B1491^*2	Passenger's (front) air bag module (2nd squib) system (open circuit of squib circuit)
B1492^*2	Passenger's (front) air bag module (2nd squib) system (shorted to squib circuit ground)
B1493^*2	Passenger's (front) air bag module (2nd squib) system (shorted to squib circuit power supply)
B1494^*2	Passenger’s (front) air bag module (2nd squib ignition drive circuit) system detected short circuit
B1495^*2	Passenger’s (front) air bag module (2nd squib ignition drive circuit) system detected open circuit
B1496^*2	SRS-ECU non-volatile memory (EEPROM^*1)
B1497^*2	SRS-ECU application specific integrated circuit (for frontal activation)
B1498^*2	SRS-ECU abnormal condition in ROM or RAM
B1499^*3	Air bag deployment determined by SRS-ECU
B1506^*2	Seat slide sensor system fault 1 (open in the seat slide sensor circuit)
B1507^*2	Seat slide sensor system fault ground circuit (short-circuited to ground)
B1508^*2	Seat slide sensor system fault power supply circuit (short-circuited to power supply)
B1519^*2	SRS-ECU connector lock out of order
B1520^*2	Seat belt switch (driver’s side) malfunction
B1527^*2	Seat belt switch (driver’s side) circuit open
B1528^*2	Seat belt switch (driver’s side) circuit (ground side) shorted)
B1529^*2	Seat belt switch (driver’s side) system fault power supply circuit (short-circuited to power supply)
B1530^*2	Seat belt switch (passenger’s side) malfunction
B1537^*2	Seat belt switch (passenger’s side) circuit open
B1538^*2	Seat belt switch (passenger’s side) circuit (ground side) shorted
B1539^*2	Seat belt switch (passenger’s side) system fault power supply circuit (short-circuited to power supply)
B1547^*3	Passenger’s air bag cut off activating circuit
B1556^*2	Driver’s seat slide sensor malfunction (occupant classification-ECU)
B1557^*2	SRS-ECU application specific integrated circuit
B1558^*2	OCM (occupant classification-ECU) DTC present
B1588^*2	SRS-ECU backup capacitor system (up converter unit)
B1589^*2	SRS-ECU backup capacitor system (down converter unit)
B1590^*2	SRS-ECU backup capacitor system (capacitance big)
B1591^*2	SRS-ECU backup capacitor system (capacitance small)
B1594^*2	SRS-ECU application specific integrated circuit (for side activation)
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 ground)
B1606^*2	Seat belt pre-tensioner (driver’s side) (squib) system (shorted to squib circuit power supply)
B1607^*2	Seat belt pre-tensioner (driver’s side) (squib) activating circuit short-circuited
B1608^*2	Seat belt pre-tensioner (driver’s side) (squib) activating circuit open-circuited
B1617^*2	Roll over sensor malfunction
B1618^*2	SRS-ECU safing G-sensor (Z axis low G-sensor failure)
B1619^*2	Lap pre-tensioner (LH) (squib) system (short circuit between squib circuit terminals)
B1620^*2	Lap pre-tensioner (LH) (squib) system (open circuit of squib circuit)
B1621^*2	Lap pre-tensioner (LH) (squib) system (shorted to squib circuit ground)
B1622^*2	Lap pre-tensioner (LH) (squib) system (shorted to squib circuit power supply)
B1623^*2	Lap pre-tensioner (LH) (squib) activating circuit short-circuited
B1624^*2	Lap pre-tensioner (LH) (squib) activating circuit open-circuited
B1625^*2	Lap pre-tensioner (RH) (squib) system (short circuit between squib circuit terminals)
B1626^*2	Lap pre-tensioner (RH) (squib) system (open circuit of squib circuit)
B1627^*2	Lap pre-tensioner (RH) (squib) system (shorted to squib circuit ground)
B1628^*2	Lap pre-tensioner (RH) (squib) system (shorted to squib circuit power supply)
B1629^*2	Lap pre-tensioner (RH) (squib) activating circuit short-circuited
B1630^*2	Lap pre-tensioner (RH) (squib) activating circuit open-circuited
B1631^*2	Knee air bag module (squib) system (short circuit between squib circuit terminals)
B1632^*2	Knee air bag module (squib) system (open circuit between squib circuit terminals)
B1633^*2	Knee air bag module (squib) system (shorted to squib circuit ground)
B1634^*2	Knee air bag module (squib) system (shorted to squib circuit power supply)
B1635^*2	Knee air bag module (squib) activating circuit short-circuited
B1636^*2	Knee air bag module (squib) activating circuit open-circuited
B1646^*2	Coding data mismatch
B1670^*2	Seat belt pre-tensioner (passenger’s side) (squib) system (short circuit between squib circuit terminals)
B1671^*2	Seat belt pre-tensioner (passenger’s side) (squib) system (open circuit of squib circuit)
B1672^*2	Seat belt pre-tensioner (passenger’s side) (squib) system (shorted to squib circuit ground)
B1673^*2	Seat belt pre-tensioner (passenger’s side) (squib) system (shorted to squib circuit power supply)
B1674^*2	Seat belt pre-tensioner (passenger’s side) (squib) activating circuit short-circuited
B1675^*2	Seat belt pre-tensioner (passenger’s side) (squib) activating circuit open-circuited
B1697	SRS-ECU system (emergency call function has been activated) <Vehicles with TCU>
B1699^*3	SRS-ECU collective deployment
U0001^*2	Bus off (CAN-C)
U0100^*2	ECM CAN timeout
U0121^*2	ASC CAN timeout
U0141^*2	ETACS CAN timeout
U0154^*2	Occupant classification-ECU CAN timeout
U1190^*2	No receive fault detect signal
U1195	Coding not completed
U1199	VIN not programmed
U119A	VIN mismatch

note	^1: Electrically Erasable Programmable ROM ^2: This DTC will remain in memory and the SRS warning light will be switched off when the system returns to normal condition. ^*3: This DTC cannot be erased by "Erase diagnostic trouble codes" function.