Saturday, August 15, 2020

2010 Acura Truck MDX V6-3.7L Page 33


Do the MICU input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests



and General Diagnostics/MICU Input Test.?



B1011



DTC Troubleshooting: B1011



DTC B1011:



MICU Lost Communication with Gauge Control Module (VSP/NE Message)



NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in 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 at least 6 seconds.



4. Check for DTCs with the HDS.



Is DTC B1011 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time. Check for loose or poor connections between the MICU and the gauge control module.?



5. Check for DTCs with the HDS.



Are DTCs B1060, B1205, B1357, B1805, and/or B2160 also indicated with DTC B1011?



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 MICU input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests



and General Diagnostics/MICU Input Test.?



B1012



DTC Troubleshooting: B1012



DTC B1012:



MICU Lost Communication with Rear MICU (RJU Message)



NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in 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 at least 6 seconds.



4. Check for DTCs with the HDS.



Is DTC B1012 indicated?