2010 Acura Truck MDX V6-3.7L Page 332

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

3. Check for DTCs with the HDS.

Is DTC 31-1x or 31-2x indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?

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

5. Disconnect the negative cable from the battery, then wait at least 3 minutes.

6. Disconnect the floor wire harness 2P connector (A) from the driver's side airbag (B).

7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead L to the floor wire harness.

8. Reconnect the negative cable to the battery.

9. Clear the DTCs with the HDS.

10. Check for DTCs with the HDS.

Is DTC 31-1x or 31-2x indicated?

YES -

Go to step 11.

NO -

Open or increased resistance in the driver's side airbag inflator; replace the driver's side airbag See: Restraints and Safety Systems/Air Bag

Systems/Air Bag/Service and Repair/Removal and Replacement/Driver's Airbag Replacement, then clear the DTC.?

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

12. Disconnect the negative cable from the battery, then wait at least 3 minutes.

13. Disconnect SRS unit connector B (39P) from the SRS unit.

14. Disconnect the SRS inflator simulator from SRS simulator lead. Do not disconnect the simulator lead from the floor wire harness 2P

connector.

15. Measure the resistance between the terminals of the black SRS simulator lead (A). There should be less than 1.0 Ohms.

2010 Acura Truck MDX V6-3.7L Page 469

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

3. Check for DTCs with the HDS.

Is DTC 45-1x (except 45-11) indicated?

YES -

Faulty left side impact sensor (second); replace the left side impact sensor (second) See: Restraints and Safety Systems/Air Bag Systems/Impact

Sensor/Service and Repair/Side Impact Sensor (Second) Replacement, then clear the DTC.?

NO -

Go to step 4.

4. Clear the DTCs with the HDS.

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

6. Check for DTCs with the HDS.

Is DTC 43-1x (except 43-11) indicated?

YES -

Faulty left side impact sensor (first); replace the left side impact sensor (first), then clear the DTC.?

NO -

Go to step 7.

7. Clear the DTCs with the HDS.

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

9. Check for DTCs with the HDS.

Is DTC 45-11 indicated?

YES -

Go to step 13.

NO -

Go to step 10.

10. Clear the DTCs with the HDS.

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

12. Check for DTCs with the HDS.

Is DTC 43-11 indicated?

YES -

Go to step 42.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?

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

14. Check the connections between SRS unit connector B (39P) and the SRS unit, and between the floor wire harness 4P connector and the left

side impact sensor (first) See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and Repair/Side Impact Sensor (First)

Replacement and between the floor wire 2P connector and left side impact sensor (second) See: Restraints and Safety Systems/Air Bag

Systems/Impact Sensor/Service and Repair/Side Impact Sensor (Second) Replacement.

Are the connections OK?

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

3. Check for DTCs with the HDS.

Is DTC 22-8x indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?

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

5. Disconnect the negative cable from the battery, then wait at least 3 minutes.

6. Remove the B-pillar lower trim, then disconnect the floor wire harness 4P connector (A) from the front passenger's seat belt tensioner.

7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead K to the floor wire harness.

8. Reconnect the negative cable to the battery.

9. Clear the DTCs with the HDS.

10. Check for DTCs with the HDS.

Is DTC 22-8x indicated?

YES -

Go to step 11.

NO -

Short to power in the front passenger's seat belt tensioner; replace the front passenger's seat belt See: Restraints and Safety Systems/Seat Belt

Systems/Seat Belt/Service and Repair/Front Seat Belt Replacement, then clear the DTC.?

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

12. Disconnect the negative cable from the battery, then wait at least 3 minutes.

13. Disconnect SRS unit connector B (39P) from the SRS unit.

14. Disconnect the simulator lead from the floor wire harness.

15. Reconnect the negative cable to the battery.

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

17. Measure the voltage between body ground and SRS unit connector B (39P) terminals No. 14 and No. 15 individually. There should be less

2010 Acura Truck MDX V6-3.7L Page 499

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

3. Watch the ACC indicator.

Does the ACC indicator (amber) go off?

YES -

Go to step 4.

NO -

Go to step 5.

4. Press the brake pedal, and watch the ACC indicator.

Does the ACC unit indicator (amber) go off?

YES -

The system is OK at this time. Check for loose or poor connections.?

NO -

Go to step 5.

5. Check for DTCs with the HDS.

Is DTC 49 indicated?

YES -

Go to step 6.

NO -

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

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

7. Disconnect the ACC unit 20P connector.

8. Measure the resistance between ACC unit 20P connector terminal No. 5 and body ground. There should be an open circuit or at least 1

MOhms.

Is the resistance as specified?

YES -

Go to step 9.

NO -

Repair a short to ground in the wire between the ACC unit and the right front brake fluid pressure sensor.?

9. Disconnect the right front brake fluid pressure sensor 3P connector.

10. Connect right front brake fluid pressure sensor 3P connector terminal No. 2 to body ground with a jumper wire.