2010 Acura Truck MDX V6-3.7L Page 280

Repair the connector or terminals if possible, or replace the harness, and retest.?

8. Check that the appropriate wheel speed sensor is properly mounted See: Brakes and Traction Control/Antilock Brakes / Traction Control

Systems/Wheel Speed Sensor/Service and Repair.

Is the wheel speed sensor installation OK?

YES -

Go to step 10.

NO -

Reinstall the wheel speed sensor See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Wheel Speed Sensor/Service and

Repair, then go to step 1.?

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

10. Disconnect the VSA modulator-control unit 46P connector.

11. Start the engine.

12. Measure the voltage between body ground and the appropriate wheel speed sensor +B and GND terminals of the VSA modulator-control unit

46P connector individually (see table).

Is there 0.1 V or more?

YES -

Repair a short to power in the wire between the VSA modulator-control unit and the appropriate wheel speed sensor.?

NO -

Go to step 13.

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

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and retest.

1. Clear the DTCs with the HDS.

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

3. Check for DTCs with the HDS.

Is DTC 11-3x or 11-6x 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 access panel (A) from the steering wheel, then disconnect the driver's airbag 4P connector (B) from the cable reel.

7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead J to the cable reel.

8. Reconnect the negative cable to the battery.

9. Clear the DTCs with the HDS.

10. Check for DTCs with the HDS.

Is DTC 11-3x or 11-6x indicated?

YES -

Go to step 11.

NO -

Short in the driver's airbag first or second inflator; replace the driver's 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. Remove the column cover See: Steering and Suspension/Steering/Steering Column/Steering Column Cover/Service and Repair, then

disconnect the dashboard wire harness 4P connector (A) from the cable reel.

2010 Acura Truck MDX V6-3.7L Page 14

and retest.

1. Clear the DTCs with the HDS.

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

3. Check for DTCs with the HDS.

Is DTC A4-1x indicated?

YES -

Go to step 6.

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. Check the connection between the SRS unit connector B (39P) and the SRS unit.

Is the connection OK?

YES -

Go to step 6.

NO -

Repair the poor connection, clear the DTC, and retest.

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

8. Check for bent or damaged terminals on the SRS unit.

Are any terminals bent or damaged?

YES -

Replace the SRS unit See: Relays and Modules/Relays and Modules - Restraints and Safety Systems/Air Bag Control Module/Service and

Repair/SRS Unit Replacement.?

NO -

Replace the floor wire harness, then clear the DTC.?

B and Auto

DTC Troubleshooting: B1226 (B and AUTO)

DTC B1226 or DTC indicator B and AUTO:

A Short in the In-Car Temperature Sensor Circuit

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Do the self-diagnostic function with the HDS or the climate control unit.

4. Check for DTCs.

Is DTC B1226 or B and AUTO indicated?