Monday, February 17, 2020

2010 Acura Truck MDX V6-3.7L Page 313


NO -



Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:



Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?



VSA System



VSA DTC Troubleshooting: 21, 22, 23, 24



DTC 21, 22, 23, 24:



Magnetic Encoder Malfunction



NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.



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



2. Clear the DTC with the HDS.



3. Test-drive the vehicle at 31 mph (50 km/h) or more.



4. Check for DTCs with the HDS.



Is DTC 21, 22, 23, or 24 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time. Check for loose terminals between the appropriate wheel speed sensor 2P connector and the



VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting.?



5. Inspect the appropriate magnetic encoder for debris or cracks.



Is the magnetic encoder surface OK?



YES -



Go to step 6.



NO -



Remove the debris from the magnetic encoder, or replace the front hub bearing unit or the rear hub bearing unit (magnetic encoder):



- FRreoanr:t :R Reepplalaccee t hthee r feraorn ht uhbu bb ebaerainrign gu nuint.i?t.?



6. Update the VSA modulator-control unit if it does not have the latest software See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Traction Control Module/Testing and Inspection. If the unit already has the latest software, substitute a known-good VSA



modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control Module/Service and



Repair.



7. Test-drive the vehicle at 31 mph (50 km/h) or more.



NOTE: Drive the vehicle on the road, not on a lift.



8. Check for DTCs with the HDS.



Is DTC 21, 22, 23, or 24 indicated?