2010 Acura Truck MDX V6-3.7L Page 720

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Wait about 1 minute.

5. Check for DTCs with the HDS.

NOTE: The tire pressure sensor of the appropriate wheel is shown.

Is DTC 91, 93, 95 or 97 indicated?

YES -

Replace the appropriate tire pressure sensor See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure

Sensor/Service and Repair.?

NO -

The system is OK at this time.?

97

TPMS DTC Troubleshooting: 91, 93, 95, 97

DTC 91, 93, 95, 97:

Tire Pressure Sensor Internal Error

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Wait about 1 minute.

5. Check for DTCs with the HDS.

NOTE: The tire pressure sensor of the appropriate wheel is shown.

Is DTC 91, 93, 95 or 97 indicated?

YES -

Replace the appropriate tire pressure sensor See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure

Sensor/Service and Repair.?

NO -

The system is OK at this time.?

100

Adaptive Cruise Control (ACC) DTC Troubleshooting: 100

2010 Acura Truck MDX V6-3.7L Page 143

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

2. Clear the DTC with the HDS.

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

4. Start the engine, and wait 5 seconds.

5. Check for DTCs with the HDS.

Is DTC 5-1, 5-2, 5-3, 5-4, 7-1, 7-2, 7-3, 7-4, 7-5, E-1, E-2, E-5, E-6, E-7, E-8, E-A, or E-C indicated?

YES -

Replace the active damper control unit See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and Modules -

Suspension/Suspension Control Module/Service and Repair.?

NO -

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

5-3

Active Damper System DTC Troubleshooting: 5-1, 5-2, 5-3, 5-4, 7-1, 7-2, 7-3, 7-4, 7-5, E-1, E-2, E-5, E-6, E-7, E-8, E-A, E-C

DTC 5-1:

Active Damper Control Unit Internal Right-front Damper Coil Drive Circuit Stuck ON

DTC 5-2:

Active Damper Control Unit Internal Left-front Damper Coil Drive Circuit Stuck ON

DTC 5-3:

Active Damper Control Unit Internal Right-rear Damper Coil Drive Circuit Stuck ON

DTC 5-4:

Active Damper Control Unit Internal Left-rear Damper Coil Drive Circuit Stuck ON

DTC 7-1:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-2:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-3:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-4:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-5:

Active Damper Control Unit Internal Circuit Malfunction

DTC E-1:

Active Damper Control Unit Internal Circuit Malfunction

DTC E-2:

Active Damper Control Unit Internal Circuit Malfunction

2010 Acura Truck MDX V6-3.7L Page 331

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Check for DTCs with the HDS.

Is DTC 31, 32, 33, 34, 35, 36, 37, or 38 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for a loose connection at G303.?

5. 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.

6. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

7. Check for DTCs with the HDS.

Is DTC 31, 32, 33, 34, 35, 36, 37, or 38 indicated?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. If the VSA modulator-control unit was updated, substitute a

known-good VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control

Module/Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.

NO -

If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the

original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control

Module/Service and Repair. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?

31-1x

SRS DTC Troubleshooting: 31-1x, 31-2x

DTC 31-1x ("x" can be 0 thru 9 or A thru F):

Open in the Driver's Side Airbag Inflator

DTC 31-2x ("x" can be 0 thru 9 or A thru F):

Increased Resistance in the Driver's Side Airbag Inflator

Special Tools Required

- SRS Inflator Simulator 07SAZ-TB4011A

- SRS Simulator Lead L 070AZ-SNAA300

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures See: Body and Frame/Air Bag(s) Arming and

Disarming/Service and Repair, General Troubleshooting Information See: Restraints and Safety Systems/Air Bag Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection See: Starting and

Charging/Battery/Service and Repair/Procedures.

- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS

unit software See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Programming and Relearning/SRS Unit Update,

and retest.

1. Clear the DTCs with the HDS.

2010 Acura Truck MDX V6-3.7L Page 198

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

2. Clear the DTC with the HDS.

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

4. Start the engine, and wait 5 seconds.

5. Check for DTCs with the HDS.

Is DTC 8-6 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for poor or loose connections between the VSA modulator-control unit and the active

damper control unit.?

6. Check for VSA system DTCs with the HDS See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes.

Are any DTC indicated?

YES -

Go to the indicated VSA system DTC's troubleshooting, then go to step 14.

NO -

Go to step 7.

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

8. Wait 30 seconds or more.

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

10. Disconnect active damper control unit connector B (14P) connector See: Relays and Modules/Relays and Modules - Steering and

Suspension/Relays and Modules - Suspension/Suspension Control Module/Service and Repair.

11. Check for continuity between the active damper control unit connector B (14P) terminals and the VSA modulator-control unit 46P connector

terminals individually (see table).

2010 Acura Truck MDX V6-3.7L Page 396

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Check for DTCs with the HDS.

Is DTC 31, 32, 33, 34, 35, 36, 37, or 38 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for a loose connection at G303.?

5. 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.

6. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

7. Check for DTCs with the HDS.

Is DTC 31, 32, 33, 34, 35, 36, 37, or 38 indicated?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. If the VSA modulator-control unit was updated, substitute a

known-good VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control

Module/Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.

NO -

If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the

original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control

Module/Service and Repair. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?

TPMS System

TPMS DTC Troubleshooting: 32, 34, 36, 38

DTC 32, 34, 36, 38:

Tire Pressure Sensor Signal Failure

NOTE:

- Inspect for an aftermarket electrical device(s) (such as an inverter, battery charger, CB radio, etc) interfering with the RF signal from the

sensors when turning the ignition switch is ON (II).

- Vehicle must be driven for 3 minutes at 15 mph (24 km/h) or more for DTC 32, 34, 36, or 38 to set.

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

2. Check the DTC indicated to the tire location to make sure the wheel is a TPMS type with the tire pressure sensor.

Is a TPMS type wheel with a tire pressure sensor mounted on the vehicle?

2010 Acura Truck MDX V6-3.7L Page 184

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

2. Clear the DTC with the HDS.

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

4. Start the engine, and wait 5 seconds.

5. Check for DTCs with the HDS.

Is DTC 5-1, 5-2, 5-3, 5-4, 7-1, 7-2, 7-3, 7-4, 7-5, E-1, E-2, E-5, E-6, E-7, E-8, E-A, or E-C indicated?

YES -

Replace the active damper control unit See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and Modules -

Suspension/Suspension Control Module/Service and Repair.?

NO -

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

7-3

Active Damper System DTC Troubleshooting: 5-1, 5-2, 5-3, 5-4, 7-1, 7-2, 7-3, 7-4, 7-5, E-1, E-2, E-5, E-6, E-7, E-8, E-A, E-C

DTC 5-1:

Active Damper Control Unit Internal Right-front Damper Coil Drive Circuit Stuck ON

DTC 5-2:

Active Damper Control Unit Internal Left-front Damper Coil Drive Circuit Stuck ON

DTC 5-3:

Active Damper Control Unit Internal Right-rear Damper Coil Drive Circuit Stuck ON

DTC 5-4:

Active Damper Control Unit Internal Left-rear Damper Coil Drive Circuit Stuck ON

DTC 7-1:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-2:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-3:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-4:

Active Damper Control Unit Internal Circuit Malfunction

DTC 7-5:

Active Damper Control Unit Internal Circuit Malfunction

DTC E-1:

Active Damper Control Unit Internal Circuit Malfunction

DTC E-2:

Active Damper Control Unit Internal Circuit Malfunction