Acura TSX / Honda Accord CL. Manual - part 280

Fig. 38: Wheel Sensor DTC Table 

DTC 25: YAW RATE SENSOR 

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

2. Disconnect the HDS from the 16P DLC.  

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

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

5. Verify the DTC. 

Is DTC 27 or 64 indicated? 

YES: Do the appropriate troubleshooting for the DTC.  

NO: Go to step 6.  

6. Turn the ignition switch OFF.  

7. Disconnect the VSA control unit 47P connector, steering angle sensor 5P connector and yaw rate-lateral 

acceleration sensor 5P connector.  

8. Turn the ignition switch ON (II).  

9. Measure the voltage between body ground and the VSA control unit 47P connector terminals No. 33, No. 

34 and No. 35 individually. 

Is there 1 V or more? 

YES: Repair short to power in the wire between the VSA control unit and the yaw rate-
lateral acceleration sensor.  

NO: Go to step 10.  

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

Fig. 39: Measuring The Voltage Between Body Ground & The VSA Control Unit 47P 
Connector Terminals No. 33, No. 34 & No. 35 

10. Turn the ignition switch OFF.  

11. Check for continuity between body ground and the VSA control unit 47P connector terminals No. 33, No. 

34 and No. 35 individually. 

Is there continuity? 

YES: Repair short to body ground in the wire between the VSA control unit and the yaw 
rate-lateral acceleration sensor.  

NO: Go to step 12.  

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

Fig. 40: Checking For Continuity Between Body Ground & The VSA Control Unit 47P 
Connector Terminals No. 33, No. 34 & No. 35 

12. Check for continuity between the VSA control unit 47P connector terminal No. 35 and yaw rate-lateral 

acceleration sensor 5P connector terminal No. 2. 

Is there continuity? 

YES: Go to step 13.  

NO: Repair open in the wire between the VSA control unit and the yaw rate-lateral 
acceleration sensor.  

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

Fig. 41: Checking For Continuity Between The VSA Control Unit 47P Connector & Yaw 
Rate-Lateral Acceleration Sensor 5P Connector 

13. Check for continuity between the VSA control unit 47P connector terminal No. 33 and yaw rate-lateral 

acceleration sensor 5P connector terminal No. 4. 

Is there continuity? 

YES: Go to step 14.  

NO: Repair open in the wire between the VSA control unit and the yaw rate-lateral 
acceleration sensor.  

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX