Supplemental Restraint System
- General Description
- Service Precautions
- SRS Air Bag Diagnosis
- Introduction To Diagnosis
- Troubleshooting Strategy
- Diagnostic Function
- SRS Warning Light Check
- Passenger Seat Belt Warning Light Check
- Passenger Air Bag Off Indicator Light Check
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B1400: Driver's Air Bag Module (1st Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit): DTC B1480: Driver's Air Bag Module (2nd Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1401: Driver's Air Bag Module (1st Squib) System Fault 2 (Open in the Squib Circuit); DTC B1481: Driver's Air Bag Module (2nd Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1402: Driver's Air Bag Module (1st Squib) System Fault for Ground Circuit (Short-Circuited to Ground); DTC B1482: Driver's Air Bag Module (2nd Squib) System Fault for Ground Circuit (Short-Circuited to Ground)
- DTC B1403: Driver's Air Bag Module (1st Squib) System Fault for Power Supply Circuit (Short-Circuited to Power Supply): DTC B1483: Driver's Air Bag Module (2nd Squib) System Fault for Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1404: Driver's Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1405: Driver's Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1414: Passenger's (Front) Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1415: Passenger's (Front) Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1424: Side-Airbag Module (RH) (Squib) System Detected Short Circuit; DTC B1425: Side-Airbag Module (RH) (Squib) System Detected Open Circuit; DTC B1434: Side-Airbag Module (LH) (Squib) System Fault 3 for Ignition Drive Circuit; DTC B1435: Side-Airbag Module (LH) (Squib) System Fault 4 for Ignition Drive Circuit; DTC B1444: Curtain air bag module (RH) (squib) system detected short circuit; DTC B1445: Curtain air bag module (RH) (squib) system detected open circuit; DTC B1454: Curtain air bag module (LH) (squib) system detected short circuit; DTC B1455: Curtain air bag module (LH) (squib) system detected open circuit; DTC B1464: Seat Belt Pre-tensioner (RH) (Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1465: Seat Belt Pre-tensioner (RH) (Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1466: Analog G-Sensor System in the SRS-ECU; DTC B1467: Safing G-Sensor Open Circuit; DTC B1468: Safing G-Sensor Short Circuit; DTC B1469: Safing G-Sensor for Side Air Bag Faults; DTC B1474: Seat Belt Pre-tensioner (LH) (Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1475: Seat Belt Pre-tensioner (LH) (Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1478: SRS-ECU Capacitor Circuit Voltage too High; DTC B1479: SRS-ECU Capacitor Circuit Voltage too Low; DTC B1484: Driver's Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1485: Driver's Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1494: Passenger's (Front) Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Short Circuit; DTC B1495: Passenger's (Front) Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Open Circuit; DTC B1496: SRS-ECU Non-Volatile Memory (EEPROM); DTC B1497: SRS-ECU Application Specific Integrated Circuit (for frontal activation); DTC B1498: SRS-ECU ROM or RAM; DTC B1552: Changing Circuit Shorted; DTC B1553: Changing Circuit Open; DTC B1554: SG BY-PASS Circuit Malfunction; DTC B1555: SG BY-PASS Circuit (Field Effect Transistor) Open; DTC B1557: SRS-ECU Application Specific Integrated Circuit
- DTC B1406: Front Impact Sensor (RH) System for Fault 1; DTC B1416: Front Impact Sensor (LH) System for Fault 1
- DTC B1407: Front Impact Sensor (RH) Power Supply Circuit System
- DTC B1408: Front Impact Sensor (RH) (Squib) for Power Supply Circuit; DTC B1409: Front Impact Sensor (RH) (Squib) for Communication System
- DTC B1410: Passenger's (Front) Air Bag Module (1st Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit); DTC B1490: Passenger's (Front) Air Bag Module (2nd Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1411: Passenger's (Front) Air Bag Module (1st Squib) System Fault 2 (Open in the Squib Circuit); DTC B1491: Passenger's (Front) Air Bag Module (2nd Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1412: Passenger's (Front) Air Bag Module (1st Squib) System Fault for Ground Circuit (Short-Circuited to Ground);DTC B1492: Passenger's (Front) Air Bag Module (2nd Squib) System Fault for Ground Circuit (Short-Circuited to Ground)
- DTC B1413: Passenger's (Front) Air Bag Module (1st Squib) System Fault for Power Supply Circuit (Short-Circuited to Power Supply);DTC B1493: Passenger's (Front) Air Bag Module (2nd Squib) System Fault for Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1417: Front Impact Sensor (LH) Power Supply Circuit System
- DTC B1418: Front Impact Sensor (LH) (Squib) for Power Supply Circuit;DTC B1419: Front Impact Sensor (LH) (Squib) for Communication System
- DTC B1420: Side-Airbag Module (RH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1421: Side-Airbag Module (RH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1422: Side-Airbag Module (RH) (Squib) System Fault Ground Circuit (Short-Circuited to Ground)
- DTC B1423: Side-Airbag Module (RH) (Squib) System Fault Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1426: Side Impact Sensor (RH) System for Fault 1;DTC B1436: Side Impact Sensor (LH) System for Fault 1
- DTC B1427: Side Impact Sensor (RH) Power Supply Circuit System
- DTC B1428: Side Impact sensor (RH) (Squib) for Power Supply Circuit; DTC B1429: Side Impact sensor (RH) (Squib) for Communication System
- DTC B1430: Side-Airbag Module (LH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1431: Side-Airbag Module (LH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1432: Side-Airbag Module (LH) (Squib) System Fault Ground Circuit (Short-Circuited to Ground)
- DTC B1433: Side-Airbag Module (LH) (Squib) System Fault Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1437: Side Impact Sensor (LH) Power Supply Circuit System
- DTC B1438: Side Impact Sensor (LH) (Squib) for Power Supply Circuit; DTC B1439: Side Impact Sensor (LH) (Squib) for Communication System
- DTC B1440: Curtain Air Bag Module (RH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1441: Curtain Air Bag Module (RH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1442: Curtain Air Bag Module (RH) (Squib) System Fault Ground Circuit (Short-Circuited to Ground)
- DTC B1443: Curtain Air Bag Module (RH) (Squib) System Fault Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1450: Curtain Air Bag Module (LH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1451: Curtain Air Bag Module (LH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1452: Curtain Air Bag Module (LH) (Squib) System Fault Ground Circuit (Short-Circuited to Ground)
- DTC B1453: Curtain Air Bag Module (LH) (squib) System Fault Power Supply Circuit (short-circuited to Power Supply)
- DTC B1460: Seat Belt Pre-Tensioner (RH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1461: Seat Belt Pre-Tensioner (RH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1462: Seat Belt Pre-Tensioner (RH) (Squib) System Fault for Ground Circuit (Short-Circuit to Ground)
- DTC B1463: Seat Belt Pre-Tensioner (RH) (Squib) System Fault for Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1470: Seat Belt Pre-Tensioner (LH) (Squib) System Fault 1 (Short Circuit between Terminals of the Squib Circuit)
- DTC B1471: Seat Belt Pre-Tensioner (LH) (Squib) System Fault 2 (Open in the Squib Circuit)
- DTC B1472: Seat Belt Pre-Tensioner (LH) (Squib) System Fault for Ground Circuit (Short-Circuited to Ground)
- DTC B1473: Seat Belt Pre-Tensioner (LH) (Squib) System Fault for Power Supply Circuit (Short-Circuit to Power Supply)
- DTC B1476: IG1 Power Supply Circuit System (Fuse No. 3 Circuit); DTC B1477: IG1 Power Supply Circuit System (Fuse No. 2 Circuit)
- DTC B1486: Passenger Seat Belt Warning Light Drive Circuit System Fault 2.
- DTC B1487: Passenger Seat Belt Warning Light Drive Circuit System Fault 1 (Light does not Illuminate).
- DTC B1487: Passenger Seat Belt Warning Light Drive Circuit System Fault 1 (Light does not Switch Off).
- DTC B1488: Passenger Air Bag OFF Indicator Light Drive Circuit System Fault 2.
- DTC B1489: Passenger Air Bag OFF Indicator Light Drive Circuit System Fault 1 (Light does not Illuminate).
- DTC B1489: Passenger Air Bag OFF Indicator Light Drive Circuit System Fault 1 (Light does not Switch Off).
- DTC B1499: SRS-ECU Air Bag Condition Monitor Detects Deployed Air Bag
- DTC B1506: Seat Slide Sensor System Fault 1 (Open in the Seat Slide Sensor Circuit)
- DTC B1507: Seat Slide Sensor System Fault Ground Circuit (Short-Circuited to Ground)
- DTC B1508: Seat Slide Sensor System Fault Power Supply Circuit (Short-Circuited to Power Supply)
- DTC B1509: Improper Installation of SRS-ECU
- DTC B1519: Connector Lock System Detects Connector Unlocked
- DTC B1520: Seat belt switch (LH) malfunction; DTC B1521: Seat belt switch (LH) circuit open (for Normal/Close terminal); DTC B1522: Seat belt switch (LH) circuit (ground side) shorted (for Normal/Close terminal); DTC B1523: Seat belt switch (LH) circuit (power supply side) shorted (for Normal/Close terminal); DTC B1524: Seat belt switch (LH) circuit open (for Normal/Open terminal); DTC B1525: Seat belt switch (LH) circuit (ground side) shorted (for Normal/Open terminal); DTC B1526: Seat belt switch (LH) circuit (power supply side) shorted (for Normal/Open terminal); DTC B1527: Seat belt switch (LH) circuit open (for common terminal); DTC B1528: Seat belt switch (LH) circuit (ground side) shorted (for common terminal); DTC B1529: Seat belt switch (LH) circuit (power supply side) shorted (for common terminal)
- DTC B1530: Seat belt switch (RH) malfunction; DTC B1531: Seat belt switch (RH) circuit open (for Normal/Close terminal); DTC B1532: Seat belt switch (RH) circuit (ground side) shorted (for Normal/Close terminal); DTC B1533: Seat belt switch (RH) circuit (power supply side) shorted (for Normal/Close terminal); DTC B1534: Seat belt switch (RH) circuit open (for Normal/Open terminal); DTC B1535: Seat belt switch (RH) circuit (ground side) shorted (for Normal/Open terminal); DTC B1536: Seat belt switch (RH) circuit (power supply side) shorted (for Normal/Open terminal); DTC B1537: Seat belt switch (RH) circuit open (for common terminal); DTC B1538: Seat belt switch (RH) circuit (ground side) shorted (for common terminal); DTC B1539: Seat belt switch (RH) circuit (power supply side) shorted (for common terminal)
- DTC B1540: Occupant classification-ECU malfunction; DTC B1541: Occupant classification-ECU calibration malfunction; DTC B1542: Occupant classification sensor (S1) malfunction; DTC B1543: Occupant classification sensor (S2) malfunction; DTC B1558: Occupant classification-ECU ID-cord malfunction
- DTC B1545: Occupant classification-ECU for Power Supply Circuit; DTC B1546: Occupant classification-ECU for Communication System
- DTC B1548: Can Communication Impossible; DTC B1549: Can Communication Error
- DTC B1556: Seat Slide Sensor System for Fault 2 (Malfunction of Seat Slide Sensor)
- DTC U1073: Bus Off
- Symptom Chart
- Symptom Procedures
- INSPECTION PROCEDURE 1: Communication between the Scan Tool and the SRS-ECU is not possible.
- INSPECTION PROCEDURE 2: Power Supply Circuit System
- INSPECTION PROCEDURE 3: When the Ignition Switch is Turned to the "ON" Position (Engine Stopped), the SRS Warning Light does not Illuminate. : INSPECTION PROCEDURE 4: After the Ignition Switch is Turned to the "ON" Position, the SRS Warning Light does not go off within approximately seven seconds
- Data List Reference Table
- Actuator Test Reference Table
- Fail-Safe Function
- Accuracy Testing Of Occupant Classification Sensor
- Special Tools
- Test Equipment
- Post-Collision Diagnosis
- Notes
- SRS-Ecu Memory Check
- Notes
- Repair Procedure
- Front Impact Sensor
- SRS-Ecu
- Air Bag Modules
- Front Seatback Assembly (Side-Airbag Module)
- Clock Spring
- Side Impact Sensor
- Curtain Air Bag Module
- Seat Slide Sensor
- Occupant Classification Sensor
- Steering Wheel, Steering Column And Shaft Assembly
- Seat Belt With Pre-TENSIONER
- Harness Connector (Front Wiring Harness, Instrument Panel Wiring Harness, And Floor Wiring Harness)
- Individual Component Service
- On-Vehicle Service
- Front Impact Sensors
- SRS Control Unit (SRS-Ecu)
- Air Bag Module(S) And Clock Spring
- Side Impact Sensor
- Curtain Air Bag Module(S)
- Seat Belts With Pre-TENSIONER
- Seat Slide Sensor
- Occupant Classification Sensor
- Air Bag Module And Seat Belt Pre-TENSIONER Disposal Procedures
- Notes
- UNDEPLOYED Air Bag Module Disposal
- Notes
- Deployment Inside The Vehicle (When Disposing Of A Vehicle) < Air Bag Module (Driver's Side) >
- Deployment Inside The Vehicle (When Disposing Of A Vehicle) < Air Bag Module (Front Passenger's Side) >
- Deployment Inside The Vehicle (When Disposing Of A Vehicle) < Side-Airbag Module >
- Deployment Inside The Vehicle (When Disposing Of A Vehicle) < Curtain Air Bag Module >
- Deployment Inside The Vehicle (When Disposing Of A Vehicle) < Seat Belt Pre-TENSIONER >
- Deployment Outside The Vehicle < Air Bag Module (Driver's Side) >
- Deployment Outside The Vehicle < Air Bag Module (Front Passenger's Side) >
- Deployment Outside Vehicle < Side-Airbag Module >
- Deployment Outside The Vehicle < Curtain Air Bag Module >
- Deployment Outside The Vehicle < Seat Belt Pre-TENSIONER >
- Deployed Air Bag Module And Operated Seat Belt Pre-TENSIONER Disposal
- Specifications