Section 103 (SRS (Supplemental Restraint System))
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location Index
- Precautions and Procedures
- General Precautions
- Steering-Related Precautions
- Airbag Handling and Storage
- SRS Unit, Front and Side Impact Sensors, Rear Safing Sensor, Driver's Seat Position Sensor, and Front Passenger's Weight Sensors
- Wiring Precautions
- Precautions for Electrical Inspections
- SRS Unit Connectors
- Water Proof Connectors for SRS System
- Lever-Locked Connector
- Spring-Loaded Lock Connector
- Opening the SRS Unit Shorting Connectors for Diagnosis
- Seats with Side Airbags
- Disconnecting System Connectors
- General Troubleshooting Information
- SRS Unit Update
- ODS Unit Initialization
- ODS Unit Operation Check
- Front Passenger's Weight Sensor Output Check After a Vehicle Collision
- Driver's Seat Position Sensor Operation Check
- E-Pretensioner Operation Check
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC Troubleshooting
- DTC 11-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Airbag First Inflator; DTC 11-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Airbag First Inflator; DTC 11-4x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Airbag Second Inflator; DTC 11-5x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Airbag Second Inflator
- DTC 11-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Airbag First Inflator; DTC 11-6x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Airbag Second Inflator
- DTC 11-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Airbag First Inflator; DTC 11-Ax ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Airbag Second Inflator
- DTC 11-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Airbag First Inflator; DTC 11-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Airbag Second Inflator
- DTC 12-1x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Airbag First Inflator; DTC 12-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Passenger's Airbag First Inflator; DTC 12-4x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Airbag Second Inflator; DTC 12-5x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Passenger's Airbag Second Inflator
- DTC 12-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Airbag First Inflator; DTC 12-6x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Airbag Second Inflator
- DTC 12-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Airbag First Inflator; DTC 12-Ax ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Airbag Second Inflator
- DTC 12-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Airbag First Inflator; DTC 12-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Airbag Second Inflator
- DTC 21-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Belt Tensioner; DTC 21-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Seat Belt Tensioner
- DTC 21-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Seat Belt tensioner
- DTC 21-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Seat Belt Tensioner
- DTC 21-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Seat Belt Tensioner
- DTC 22-1x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Seat Belt Tensioner; DTC 22-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Passenger's Seat Belt Tensioner
- DTC 22-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Seat Belt Tensioner
- DTC 22-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Seat Belt Tensioner
- DTC 22-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Seat Belt Tensioner
- DTC 31-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Side Airbag Inflator; DTC 31-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Side Airbag Inflator
- DTC 31-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Side Airbag Inflator
- DTC 31-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Side Airbag Inflator
- DTC 31-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Side Airbag Inflator
- DTC 32-1x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Side Airbag Inflator; DTC 32-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Passenger's Side Airbag Inflator
- DTC 32-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Side Airbag Inflator
- DTC 32-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Side Airbag Inflator
- DTC 32-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Side Airbag Inflator
- DTC 33-1x ("x" can be 0 thru 9 or A thru F): Open in the Left Side Curtain Airbag Inflator; DTC 33-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Left Side Curtain Airbag Inflator
- DTC 33-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Left Side Curtain airbag inflator
- DTC 33-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Left Side Curtain Airbag Inflator
- DTC 33-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Left Side Curtain Airbag Inflator
- DTC 34-1x ("x" can be 0 thru 9 or A thru F): Open in the Right Side Curtain Airbag Inflator; DTC 34-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in the Right Side Curtain Airbag Inflator
- DTC 34-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Right Side Curtain Airbag Inflator
- DTC 34-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Right Side Curtain Airbag Inflator
- DTC 34-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Right Side Curtain Airbag Inflator
- DTC 41-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Left Front Impact Sensor
- DTC 42-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Right Front Impact Sensor
- DTC 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Left Front Impact Sensor
- DTC 42-2x, 42-8x, 42-9x, 42-Ax, 42-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Right Front Impact Sensor
- DTC 43-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Left Side Impact Sensor (first); DTC 45-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Left Side Impact Sensor (second)
- DTC 44-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Right Side Impact Sensor (first); DTC 46-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Right Side Impact Sensor (second)
- DTC 43-2x, 43-8x, 43-9x, 43-Ax, 43-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Left Side Impact Sensor (first)
- DTC 44-2x, 44-8x, 44-9x, 44-Ax, 44-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Right Side Impact Sensor (first)
- DTC 45-2x, 45-8x, 45-9x, 45-Ax, 45-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Left Side Impact Sensor (second)
- DTC 46-2x, 46-8x, 46-9x, 46-Ax, 46-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Right Side Impact Sensor (second)
- DTC 51-xx, 52-xx, 53-xx, 54-xx, 55-xx, 57-xx, 58-xx ("x" can be 0 thru 9 or A thru F): Internal Failure of the SRS Unit
- DTC 53-FF: SRS Unit Programming Error
- DTC 56-21: Lost Communication With the PCM (PGM-FI system); DTC 56-22, 56-23: Undefined Data Received From the PCM (PGM-FI system)
- DTC 56-25: Lost Communication With the Gauge Control Module
- DTC 56-26, 56-27: Undefined Data Received From the Gauge control Module
- DTC 61-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Belt Buckle Switch
- DTC 61-2x ("x" can be 0 thru 9 or A thru F): Short in the Driver's Seat Belt Buckle Switch
- DTC 62-1x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Seat Belt Buckle Switch
- DTC 62-2x ("x" can be 0 thru 9 or A thru F): Short in the Front Passenger's Seat Belt Buckle Switch
- DTC 71-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Position Sensor
- DTC 71-2x ("x" can be 0 thru 9 or A thru F): Short in the Driver's Seat Position Sensor
- DTC 73-12: Open in the Driver's E-pretensioner Motor
- DTC 73-14: Short to Ground in the Driver's E-pretensioner Motor
- DTC 73-15: Short to Power in the Driver's E-pretensioner Motor
- DTC 74-22: Open in the Front Passenger's E-pretensioner Motor
- DTC 74-24: Short to Ground in the Front Passenger's E-pretensioner Motor
- DTC 74-25: Short to Power in the Front Passenger's E-pretensioner Motor
- DTC 76-31: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (ACC System)
- DTC 76-32: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (VSA System)
- DTC 76-33: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (PGM-FI System); DTC 76-34: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (A/T System)
- DTC 76-36: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (SRS System); DTC 76-37: Faulty F-CAN Communication or Internal Failure of the E-Pretensioner Unit (SRS System)
- DTC 76-4x, 76-5x, 76-63 ("x" can be 0 thru 9 or A thru F): Internal Failure of the E-Pretensioner Unit
- DTC 76-47: Faulty Power Supply to the Front Passenger's E-pretensioner Motor
- DTC 76-48: Faulty Power Supply to the Driver's E-pretensioner Motor
- DTC 76-61: No Signal From the E-Pretensioner Unit; DTC 76-62: Non-Stipulated Response Data From the E-Pretensioner Unit
- DTC 81-4x ("x" can be 0 thru 9 or A thru F), 81-63, 81-64: Internal the Failure of the ODS Unit
- DTC 81-61: No Signal From the ODS Unit; DTC 81-62 Incorrect Data From the ODS Unit
- DTC 81-71, 81-78: ODS Unit Not Calibrated
- DTC 81-79: Front Passenger's Weight Sensors Initial Check Failure
- DTC 82-11: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 82-12: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 82-13: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 83-21: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 83-22: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 83-23: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 85-4x ("x" can be 0 thru 9 or A thru F), 85-63, 85-64: Internal Failure of the ODS Unit
- DTC 85-61: No Signal From the ODS Unit; DTC 85-62: Incorrect Data From the ODS Unit
- DTC 85-71, 85-78: ODS Unit Not Initialized
- DTC 85-79: OPDS Sensor Initial Check Failure
- DTC 86-1x ("x" can be 0 thru 9 or A thru F): Faulty OPDS Seat-Back Sensor; DTC 86-2x ("x" can be 0 thru 9 or A thru F): Faulty OPDS Seat Support Sensor
- DTC 92-1x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Airbag Cutoff Indicator
- DTC 92-2x ("x" can be 0 thru 9 or A thru F): Open or Short to Ground in the Front Passenger's Airbag Cutoff Indicator
- DTC A1-1x ("x" can be 0 thru 9 or A thru F): Faulty Power Supply (VA line)
- DTC A2-1x ("x" can be 0 thru 9 or A thru F): Faulty Power Supply (VB line)
- DTC A3-1x ("x" can be 0 thru 9 or A thru F): SRS Unit Connector A Not Properly Installed
- DTC A4-1x ("x" can be 0 thru 9 or A thru F): SRS Unit Connector B Not Properly Installed
- DTC B2-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Rear Safing Sensor
- DTC B2-2x, B2-8x, B2-9x, B2-Ax, B2-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Rear Safing Sensor
- DTC Ex-11 ("x" can be 0 thru 9 or A thru F): Control Operation Recorded
- DTC Fx-11 ("x" can be 0 thru 9 or A thru F): Airbags And/or Tensioners Deployment Recorded
- DTC 11-1x ("x" can be 0 thru 9 or A thru F): Faulty Inner Side Front Passenger's Weight Sensor Circuit
- DTC 12-2x ("x" can be 0 thru 9 or A thru F): Faulty Inner Side Front Passenger's Weight Sensor Circuit
- DTC 13-3x ("x" can be 0 thru 9 or A thru F): Faulty Inner Side Front Passenger's Weight Sensor Circuit
- DTC 21-1x ("x" can be 0 thru 9 or A thru F): Faulty Outer Side Front Passenger's Weight Sensor Circuit
- DTC 22-2x ("x" can be 0 thru 9 or A thru F): Faulty Outer Side Front Passenger's Weight Sensor Circuit
- DTC 23-3x ("x" can be 0 thru 9 or A thru F): Faulty Outer Side Front Passenger's Weight Sensor Circuit
- DTC 41-xx, 42-xx, 43-xx ("x" can be 0 thru 9 or A thru F): Internal Failure of the ODS Unit
- DTC 71-xx ("x" can be 0 thru 9 or A thru F): ODS Unit Not Calibrated
- Symptom Troubleshooting
- Component Replacement/Inspection After Deployment
- Driver's Airbag Replacement
- Front Passenger's Airbag Replacement
- Side Airbag Replacement
- Side Curtain Airbag Replacement
- Airbag and Tensioner Disposal
- Cable Reel Replacement
- SRS Unit Replacement
- Side Impact Sensor (First) Replacement
- Side Impact Sensor (Second) Replacement
- Rear Safing Sensor Replacement
- Front Passenger's Weight Sensor Replacement
- ODS Unit Replacement
- E-Pretensioner Unit Replacement
- Front Impact Sensor Replacement
- Driver's Seat Position Sensor Replacement
- Front Passenger's Airbag Cutoff Indicator Illumination Bulb Test/Replacement