Saturday, April 25, 2020

2010 Acura Truck MDX V6-3.7L Page 10


Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting



- B-CAN System Diagnosis Test Mode A.



1. Clear the DTCs with the HDS.



2. Turn the ignition switch to LOCK (0) and then back to ON (II).



3. Wait for 6 seconds or more.



4. Do the self-diagnostic function with the HDS or the climate control unit.



5. Check for DTCs.



Are DTCs B1205, and/or B1206 or AUTO, and/or B1207 indicated?



YES -



Go to step 6.



NO -



Intermittent failure, check for loose wires or poor connections in the climate control unit connector A (40P).?



6. Check for DTCs using the HDS.



Are any of the following DTCs indicated; B1011, B1060,B2160, B1357, B1805, B1408, or B2157?



YES -



Do the gauge control module input test See: Instrument Panel, Gauges and Warning Indicators/Testing and Inspection/Component Tests and



General Diagnostics/Gauge Control Module Input Test.?



NO -



Do the climate control unit troubleshooting See: Heating and Air Conditioning/Control Assembly/Testing and Inspection.?



A1-1x



SRS DTC Troubleshooting: A1-1x



DTC A1-1x ("x" can be 0 thru 9 or A thru F):



Faulty Power Supply (VA line)



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 A1-1x 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. Check the No. 2 (7.5 A) fuse in the auxiliary under-dash fuse holder 2.