Acura TSX / Honda Accord CL. Manual - part 651

Fig. 30: Identifying Audio-HVAC Display Panel Connector B Terminals 

Fig. 31: Audio-HVAC Display Panel Connector A Pin Voltage Chart

NOTE:

For audio-HVAC display panel connector location, go to Audio Unit Connector 
Replacement; with navigation (see AUDIO UNIT CONNECTOR REPLACEMENT ), 
without navigation (see AUDIO UNIT CONNECTOR REPLACEMENT ).

 

2004 Acura TSX 

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

  

 

Fig. 32: Audio-HVAC Display Panel Connector B Pin Voltage Chart 

CIRCUIT DIAGRAM 

 

2004 Acura TSX 

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

  

 

Fig. 33: Climate Control Circuit Diagram (1 Of 2)

 

2004 Acura TSX 

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

  

 

Fig. 34: Climate Control Circuit Diagram (2 Of 2) 

DTC TROUBLESHOOTING 

DTC INDICATOR A OR DTC B1225: AN OPEN IN THE IN-CAR TEMPERATURE SENSOR 
CIRCUIT 

1. Clear the DTC.  

2. Turn the ignition switch OFF, and then ON. 

 

2004 Acura TSX 

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX