Monday, September 14, 2020

2010 Acura Truck MDX V6-3.7L Page 79


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.?



B1207



DTC Troubleshooting: B1205 (AUTO), B1206 (AUTO), B1207 (AUTO)



DTC B1205:



Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)



DTC B1206 or DTC indicator AUTO:



Climate Control Unit Lost Communication with Gauge Control Module (ECT message)



DTC B1207:



Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)



NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in the B-CAN system diagnosis test mode A See: Powertrain



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?