Acura TSX / Honda Accord CL. Instruction — page 284

Fig. 52: Checking For Continuity Between Body Ground & The VSA Control Unit 47P
Connector Terminals No. 28, No. 29 & No. 43

14. Check for continuity between the VSA control unit 47P connector terminals No. 33 and No. 35 and

steering angle sensor 5P connector terminals No. 1 and No. 5 individually.

Is there continuity?

YES: Go to step 15.

NO: Repair open in the wire between the VSA control unit and the steering angle sensor.

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System — TSX

Fig. 53: Checking For Continuity Between The VSA Control Unit 47P Connector & Steering
Angle Sensor 5P Connector

15. Check for continuity between the VSA control unit 47P connector terminals No. 28, No. 29, No. 43 and

steering angle sensor 5P connector terminals No. 2, No. 3 and No. 4 individually.

Is there continuity?

YES: Go to step 16.

NO: Repair open in the wire between the VSA control unit and the steering angle sensor.

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System — TSX

Fig. 54: Checking For Continuity Between The VSA Control Unit 47P Connector & Steering
Angle Sensor 5P Connector

16. Substitute a known-good steering angle sensor.

17. Reconnect all of the disconnected connectors.

18. Clear the DTC using the HDS (see HOW TO CLEAR DTCS ).

19. Disconnect the HDS from the 16P DLC.

20. Turn the ignition switch OFF, then turn it ON (II) again.

21. Test-drive the vehicle around a number of corners.

22. Verify the DTC.

Is DTC 27 indicated?

YES: Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL
UNIT REMOVAL & INSTALLATION
).

NO: Replace the original steering angle sensor (see STEERING ANGLE SENSOR
REPLACEMENT
).

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System — TSX

DTC 31, 32, 33, 34, 35, 36, 37, 38: ABS SOLENOID

1. Clear the DTC using the HDS (see HOW TO CLEAR DTCS ).

2. Turn the ignition switch ON (II).

3. Verify the DTC.

Does the ABS indicator come on, and are DTCs 31, 32, 33, 34, 35, 36, 37, and/or 38 indicated?

YES: Check for loose terminals in the VSA control unit 47P connector. If necessary,
substitute a known-good VSA modulator-control unit, and recheck.

NO: The system is OK at this time.

DTC 41, 42, 43, 44: WHEEL LOCK

1. Test-drive the vehicle, and check for brake drag by duplicating city driving at speeds over 30 mph (50

km/h). Use the brakes often.

Do the brakes drag?

YES: Repair the brake drag.

NO: Go to step 2.

2. Check the installation of the appropriate wheel sensor (see Fig. 55 ) (see WHEEL SENSOR

INSPECTION ).

Is it correct?

YES: If the DTC does not reappear, the most probable cause for the DTC is that the vehicle
might have lost traction in poor weather and spun around.

NO: Reinstall or replace the wheel sensor (see WHEEL SENSOR REPLACEMENT ).

Fig. 55: Wheel Sensor DTC Table

DTC 51: MOTOR LOCK; DTC 52: MOTOR STUCK OFF

1. Check the No. 17 (30A) fuse in the under-hood fuse/relay box.

Is the fuse OK?

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System — TSX

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