Thursday, April 2, 2020

2010 Acura Truck MDX V6-3.7L Page 338


16. Turn the ignition switch to ON (II).



17. Measure the voltage between body ground and each terminals of the black SRS simulator lead (A) individually. There should be less than 0.2



V.



Is the voltage as specified?



YES -



Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the



SRS unit See: Relays and Modules/Relays and Modules - Restraints and Safety Systems/Air Bag Control Module/Service and Repair/SRS Unit



Replacement.?



NO -



Short to power in the floor wire harness; replace the floor wire harness, then clear the DTC.?



31-9x



SRS DTC Troubleshooting: 31-9x



DTC 31-9x ("x" can be 0 thru 9 or A thru F):



Short to Ground in the Driver's Side Airbag Inflator



Special Tools Required



- SRS Inflator Simulator 07SAZ-TB4011A



- SRS Simulator Lead L 070AZ-SNAA300



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 31-9x indicated?