2010 Acura Truck MDX V6-3.7L Page 186

Go to step 7.

NO -

Replace the HFL switch See: Accessories and Optional Equipment/Cellular Phone/Service and Repair/HFL Switch Replacement.?

7. Disconnect the HandsFreeLink control unit 28P connector.

8. Disconnect the cable reel subharness 20P connector from the cable reel.

9. Check for continuity between HandsFreeLink control unit 28P connector terminal No. 2 and body ground.

Is there continuity?

YES -

Go to step 10.

NO -

Replace the HandsFreeLink control unit See: Accessories and Optional Equipment/Cellular Phone/Communications Control Module/Service and

Repair.?

10. Disconnect the dashboard wire harness 20P connector from the cable reel.

11. Check for continuity between HandsFreeLink control unit 28P connector terminal No. 2 and body ground.

Is there continuity?

YES -

Repair a short to body ground in the wire between the HandsFreeLink control unit and the cable reel.?

NO -

Replace the cable reel See: Restraints and Safety Systems/Air Bag Systems/Clockspring Assembly / Spiral Cable/Service and Repair.?

B1792

DTC Troubleshooting: B1792

DTC B1792:

HandsFreeLink control module error

2010 Acura Truck MDX V6-3.7L Page 427

Go to step 7.

7. Activate BRAKE ACTUATOR 3 again.

8. While the brake actuator is operating, press the brake pedal.

9. Watch the ACC indicator.

Does the ACC indicator come on?

YES -

Go to step 10.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections.?

10. Check for DTCs with the HDS.

Is DTC 43 indicated?

YES -

Go to step 11.

NO -

Troubleshoot the indicated DTC(s). If there are no DTCs, the system is OK at this time.?

11. Turn the ignition switch to LOCK (0).

12. Press the brake pedal several times, and check the brake pedal travel.

Does the brake pedal sink?

YES -

Inspect the master cylinder See: Brakes and Traction Control/Hydraulic System/Brake Master Cylinder/Testing and Inspection.?

NO -

Go to step 13.

13. Check for brake fluid leaks See: Brakes and Traction Control/Hydraulic System/Brake Hose/Line/Testing and Inspection.

Are there any leaks?

YES -

Repair the brake fluid leak.?

NO -

Go to step 14.

14. Start the engine.

15. Check the brake switch signal (BRAKE SW (N.O.)) with the HDS.

Does the indication show ON when the brake pedal is pressed, and show OFF when the brake pedal is released?

YES -

Go to step 17.

NO -

Go to step 16.

16. Check for DTCs with the HDS.

Is DTC 60, 110, or 111 indicated?

2010 Acura Truck MDX V6-3.7L Page 779

Go to step 7.

NO -

Repair poor connection or loose terminal.?

7. Disconnect the rearview camera 6P connector.

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

9. Measure the voltage between rearview camera 6P connector terminal No. 3 and body ground.

Is there 3-9 V?

YES -

Replace the rearview camera See: Accessories and Optional Equipment/Camera/Rear Vision Camera/Service and Repair.?

NO -

Go to step 10.

10. Measure the voltage between navigation display unit 28P connector terminal No. 9 and body ground.

Is there 3-9 V?

YES -

There is an open in the wire between the navigation display unit and the rearview camera. Replace the affected shielded harness.?

NO -

Replace the navigation display unit See: Accessories and Optional Equipment/Navigation System/Navigation Display/Service and Repair.?

2610

Navigation System DTC Troubleshooting: 2610

DTC 2610:

DRAM Diag

NOTE:

- Check the vehicle battery condition first See: Starting and Charging/Battery/Testing and Inspection/Component Tests and General

Diagnostics/Battery Test.

- This navigation DTC sets when a problem with the audio-navigation unit internal DRAM is detected.