Section 44 (SRS (Supplemental Restraint System))
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 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, Driver's Seat Position Sensor, and Front Passenger's Weight Sensors
- Wiring Precautions
- Precautions for Electrical Inspections
- Spring-Loaded Lock Connector
- Opening the SRS Unit Shorting Connectors for Diagnosis
- Seats with Side Airbags
- Disconnecting System Connectors
- General Troubleshooting Information
- ODS Unit Initialization
- ODS Unit Calibration
- ODS Unit Operation Check
- Driver's Seat Position Sensor 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 Driver's Airbag First Inflator; DTC 11-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in Driver's Airbag First Inflator; DTC 11-4x ("x" can be 0 thru 9 or A thru F): Open in Driver's Airbag Second Inflator; DTC 11-5x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 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 Driver's Airbag Second Inflator
- DTC 11-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Airbag First Inflator; DTC 11-Ax (11-A0 to 11-A9,11-AA to 11-AF): Short to Power in Driver's Airbag Second Inflator
- DTC 11-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Driver's Airbag First Inflator; DTC 11-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in Driver's Airbag Second Inflator
- DTC 12-1x ("x" can be 0 thru 9 or A thru F): Open or Increased Resistance in Front Passenger's Airbag First Inflator; DTC 12-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in Front Passenger's Airbag First Inflator; DTC 12-4x ("x" can be 0 thru 9 or A thru F): Open or Increased Resistance in Front Passenger's Airbag Second Inflator; DTC 12-5x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 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 Front Passenger's Airbag Second Inflator
- DTC 12-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Front Passenger's Airbag First Inflator; DTC 12-Ax ("x" can be 0 thru 9 or A thru F): Short to Power in Front Passenger's Airbag Second Inflator
- DTC 12-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Front Passenger's Airbag First Inflator; DTC 12-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in Front Passenger's Airbag Second Inflator
- DTC 21-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Seat Belt Tensioner; DTC 21-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Driver's Seat Belt Tensioner
- DTC 21-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Seat Belt Tensioner
- DTC 21-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Driver's Seat Belt Tensioner
- DTC 22-1x ("x" can be 0 thru 9 or A thru F): Open in Front Passenger's Seat Belt Tensioner; DTC 22-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Front Passenger's Seat Belt Tensioner
- DTC 22-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Front Passenger's Seat Belt Tensioner
- DTC 22-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Front Passenger's Seat Belt Tensioner
- DTC 31-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Side Airbag Inflator; DTC 31-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Driver's Side Airbag Inflator
- DTC 31-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Side Airbag Inflator
- DTC 31-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Driver's Side Airbag Inflator
- DTC 32-1x ("x" can be 0 thru 9 or A thru F): Open in Front Passenger's Side Airbag Inflator; DTC 32-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Front Passenger's Side Airbag Inflator
- DTC 32-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Front Passenger's Side Airbag Inflator
- DTC 32-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Front Passenger's Side Airbag Inflator
- DTC 33-1x ("x" can be 0 thru 9 or A thru F): Open in Left Side Curtain Airbag Inflator; DTC 33-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Left Side Curtain Airbag Inflator
- DTC 33-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Left Side Curtain Airbag Inflator
- DTC 33-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Left Side Curtain Airbag Inflator
- DTC 34-1x ("x" can be 0 thru 9 or A thru F): Open in Right Side Curtain Airbag Inflator; DTC 34-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in 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 Right Side Curtain Airbag inflator
- DTC 34-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Right Side Curtain Airbag Inflator
- DTC 34-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in 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 B1-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Roll Rate Sensor; DTC B2-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Rear Safing Sensor
- DTC B1-2x, B1-8x, B1-9x, BI-Ax, BI-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Roll Rate 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 51-xx, 52-xx, 53-xx, 54-xx, 55-xx, 57-xx ("x" can be 0 thru 9 or A thru F): Internal Failure of the SRS Unit
- DTC Ex-xx ("x" can be 0 thru 9 or A thru F): Control Operation Recorded; DTC Fx-xx ("x" can be 0 thru 9 or A thru F): Airbags and/or Tensioners Deployment Recorded
- DTC 61-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Seat Belt Buckle Switch
- DTC 61-2x ("x" can be 0 thru 9 or A thru F): Short in Driver's Seat Belt Buckle Switch
- DTC 62-1x ("x" can be 0 thru 9 or A thru F): Open in Front Passenger's Seat Belt Buckle Switch
- DTC 62-2x ("x" can be 0 thru 9 or A thru F): Short in Front Passenger's Seat Belt Buckle Switch
- DTC 71-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Seat Position Sensor
- DTC 71-2x ("x" can be 0 thru 9 or A thru F): Short in Driver's Seat Position Sensor
- DTC 81-61,85-61: No Signal From ODS Unit; DTC 81-62,85-62: Response Data Error From the ODS Unit
- DTC 81-71,81-78: ODS Unit does not Calibrate
- DTC 85-71,85-78: ODS Unit not Initialized
- DTC 81-4x, 81-63,81-64 ("x" can be 0 thru 9 or A thru F): Internal Failure of the ODS Unit
- DTC 81-79: Front Passenger's Weight Sensors Initial Check Failure
- DTC 82-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 83-2x ("x" can be 0 thru 9 or A thru F): 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 85-79: OPDS Sensor Initial Check Failure
- DTC 86-1 x, 86-2x ("x" can be 0 thru 9 or A thru F): Faulty OPDS Sensor
- DTC 92-1x ("x" can be 0 thru 9 or A thru F): Open in the Passenger's Airbag Cutoff Indicator
- DTC 92-2x ("x" can be 0 thru 9 or A thru F): Open or Short to Ground in 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)
- 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
- Roll Rate Sensor Replacement
- Rear Safing Sensor Replacement
- Front Passenger's Weight Sensor Replacement
- ODS Unit Replacement
- Front Impact Sensor Replacement
- Driver's Seat Position Sensor Replacement
- Passenger's Airbag Cutoff Indicator Illumination Bulb Test/Replacement