Tuesday, May 19, 2020

2010 Acura Truck MDX V6-3.7L Page 26


16. Measure the resistance between SRS unit connector B (39P) terminals No. 26 and No. 27. There should be less than 1.0 Ohms



Is the resistance as specified?



YES -



Faulty rear safing sensor or SRS unit; replace the rear safing sensor See: Restraints and Safety Systems/Air Bag Systems/Safing Sensor/Service



and Repair, then clear the DTC. If the problem is still present, 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 -



Open in the floor wire harness; replace the floor harness, then clear the DTC.?



B2-2x



SRS DTC Troubleshooting: B2-2x, B2-8x, B2-9x, B2-Ax, B2-Bx



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



NOTE:



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



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



Inspection/Reading and Clearing Diagnostic Trouble Codes.



- 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 B2-2x, B2-8x, B2-9x, B2-Ax, or B2-Bx indicated?