2010 Acura Truck MDX V6-3.7L Page 21

Is there continuity?

YES -

Go to step 18.

NO -

Repair an open in the wire between the BSI control unit and the branch of the BSI-CAN line (BSI-CAN H, BSI-CAN L).?

18. Reconnect the right BSI radar unit 6P connector.

19. Reconnect the BSI control unit 16P connector.

20. Turn the ignition switch to ON (II), then wait for 10 seconds.

21. Clear the DTCs with the HDS.

22. Turn the ignition switch to ON (II), then wait for 10 seconds.

23. Check for DTCs with the HDS.

Are DTC B18B6 and B18B7 indicated?

YES -

Replace the right BSI radar unit See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Blind Spot

Module/Service and Repair/BSI Radar Unit Removal/Installation.?

NO -

Replace the left BSI radar unit See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Blind Spot

Module/Service and Repair/BSI Radar Unit Removal/Installation.?

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

25. Disconnect the left BSI radar unit 6P connector.

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

27. Measure the voltage between left BSI radar unit 6P connector terminals No. 2 and No. 5. There should be battery voltage.

Is there battery voltage?

2010 Acura Truck MDX V6-3.7L Page 163

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the drive unit.?

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

7. Disconnect power tailgate control unit connector A (5P).

8. Disconnect drive unit connector A (2P).

9. Check for continuity between body ground and power tailgate control unit connector A (5P) terminals No. 3 and No. 5 individually.

Is there continuity?

YES -

Repair a short to ground in the wire.?

NO -

Go to step 10.

10. Reconnect drive unit connector A (2P).

11. Connect battery power to the power tailgate control unit connector A (5P) terminal No. 3 (or No. 5) and ground the terminal No. 5 or (No. 3).

12. Check the power tailgate motor operation.

Does the motor run normally?

YES -

Go to step 13.

NO -

Faulty power tailgate motor, replace the drive unit.?

13. Disconnect power tailgate control unit connector B (20P).

14. Disconnect drive unit connector B (8P).

15. Check for continuity between body ground and power tailgate control unit connector B (20P) terminals No. 9 and No. 20 individually.

2010 Acura Truck MDX V6-3.7L Page 109

Is there continuity?

YES -

Go to step 10.

NO -

Repair an open in the wire(s) between the climate control unit and the front mode control motor.?

10. Check for continuity between body ground and climate control unit connector A (40P) terminals No. 31,No. 32,No. 33, and No. 34

individually.

Is there continuity?

YES -

Repair a short to body ground in the wire(s) between the climate control unit and the front mode control motor.?

NO -

Go to step 11.

11. Check for continuity between climate control unit connector A (40P) terminals as follows.

2010 Acura Truck MDX V6-3.7L Page 14

Is there battery voltage?

YES -

Repair an open in the wire or poor ground (G702).?

NO -

Repair an open in the wire between the BSI control unit and the branch of the +B TECH (10A) line.?

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

11. Disconnect the right BSI radar unit 6P connector.

12. Disconnect the BSI control unit 16P connector.

13. Check for continuity between BSI control unit 16P connector terminal No. 2 and body ground.

Is there continuity?

YES -

Repair a short to ground in the wire between the BSI control unit and the branch of the BSI-CAN line (BSI-CAN L).?

NO -

Go to step 14.

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

15. Measure the voltage between BSI control unit 16P connector terminal No. 3 and body ground. There should be less than 0.2 V.

Is the voltage as specified?

2010 Acura Truck MDX V6-3.7L Page 256

Is there continuity?

YES -

Go to step 16.

NO -

Repair an open in the wire.?

16. Check for continuity between driver's power window motor 6P connector terminal No. 1 and body ground.

Is there continuity?

YES -

Repair a short to ground in the wire.?

NO -

Replace the driver's power window motor.?

B2177

DTC Troubleshooting: B2177

DTC B2177:

Front Passenger's Power Window Motor Pulse A Error

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. Open and close the front passenger's power window by using the front passenger's power window switch manually.

4. Check for DTCs with the HDS.

Is DTC B2177 indicated?

2010 Acura Truck MDX V6-3.7L Page 246

5. Check for DTCs with the HDS.

Is DTC B1000 also indicated?

YES -

Troubleshoot DTC B1000.?

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections at the MICU and B-CAN connected units in the table.?

B2152

DTC Troubleshooting: B2152

DTC B2152:

Driver's MPCS Unit Internal Error (EEPROM error)

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 B2152 indicated?

YES -

Replace the driver's MPCS unit.?

NO -

Intermittent failure, the system is OK at this time.?

B2155

DTC Troubleshooting: B2155, B2156, B2161

2010 Acura Truck MDX V6-3.7L Page 26

Intermittent failure, the system is OK at this time.?

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

5. Disconnect the right BSI alert indicator 2P connector.

6. Measure the resistance between right BSI alert indicator 2P connector terminal No. 1 and body ground. There should be less than 1.0 Ohms.

Is the resistance as specified?

YES -

Go to step 7.

NO -

Repair an open in the wire between the right BSI alert indicator and body ground (G507).?

7. Turn the ignition switch to ON (II), and within 3 seconds measure the voltage between right BSI alert indicator 2P connector terminals No. 1

and No. 2.

Does the voltage remain between 12 V and 1 V for 3 seconds after turning the ignition switch to ON (II), then go down to 0 V?

YES -

Replace the right BSI alert indicator.?

NO -

Go to step 8.

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

9. Disconnect the BSI control unit 16P connector.

10. Measure the resistance between right BSI alert indicator 2P connector terminal No. 2 and body ground. There should be an open circuit or at