Friday, April 17, 2020

2010 Acura Truck MDX V6-3.7L Page 304


SRS



SRS DTC Troubleshooting: 22-1x, 22-2x



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



Special Tools Required



- SRS Inflator Simulator 07SAZ-TB4011A



- SRS Simulator Lead K 070AZ-SNAA200



- SRS Short Canceller 070AZ-SAA0100



NOTE:



- Before doing this troubleshooting procedure, review SRS Precautions and Procedures See: Body and Frame/Air Bag(s) Arming and



Disarming/Service and Repair, General Troubleshooting Information See: Restraints and Safety Systems/Air Bag Systems/Testing and



Inspection/Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection See: Starting and



Charging/Battery/Service and Repair/Procedures.



- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS



unit software See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Programming and Relearning/SRS Unit Update,



and retest.



1. Clear the DTCs with the HDS.



2. Turn the ignition switch to ON (II), then wait for 10 seconds.



3. Check for DTCs with the HDS.



Is DTC 22-1x or 22-2x indicated?



YES -



Go to step 4.



NO -



Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?



4. Turn the ignition switch to LOCK (0).



5. Disconnect the negative cable from the battery, then wait at least 3 minutes.



6. Remove the B-pillar lower trim, then disconnect the floor wire harness 4P connector (A) from the front passenger's seat belt tensioner.



7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead K to the floor wire harness.