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