Acura TSX / Honda Accord CL. Manual — part 15

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

Fig. 55: Symptom Table

6. Remove the audio-HVAC display module (see AUDIO-HVAC DISPLAY MODULE

REMOVAL/INSTALLATION ) and check for loose wires terminals or poor connections at audio unit
connector A (20P).

Are all the wire terminals tight, and is audio unit connector A (20P) connected properly?

YES: Go to step 7.

NO: Repair the loose wire terminal, or properly connect audio unit connector A (20P) and
recheck the symptom.

7. Turn the illumination control dial on the gauge control module to the full bright position.

8. Measure the voltage between the No. 19 and No. 20 terminals of audio unit connector A (20P).

Is there 1 V or less?

YES: Check connections at audio unit connector A (20P). If connections are OK substitute a
known-good audio-HVAC display module and recheck the symptom. If the symptom is
gone, replace the original audio-HAVC display module.

NO: Repair open in the RED wire between the MICU and the audio-HVAC display module.

9. Remove the audio-HVAC display module (see AUDIO-HVAC DISPLAY MODULE

REMOVAL/INSTALLATION ) and check for loose wire terminals or poor connections at audio unit
connector A (20P).

Are all the wire terminals tight, and is audio unit connector A (20P) connected properly?

YES: Go to step 10.

NO: Repair the loose wire terminal, or properly connect audio unit connector A (20P) and
recheck the symptom.

10. With the combination light switch still ON, turn the illumination control dial on the gauge control module

to the full bright position.

11. Measure the voltage between the No. 9 and No. 20 terminals of the audio unit connector A (20P).

Is there battery voltage?

YES: Check connections at the audio unit connector A (20P). If connections are OK
substitute a known-good audio-HVAC display module and recheck the symptom. If the
symptom is gone, replace the original audio-HVAC display module.

NO: Repair open in the RED/BLK wire between the under-hood fuse/relay box and the
audio-HVAC display panel.

12. Remove the audio-HVAC display module (see AUDIO-HVAC DISPLAY MODULE

REMOVAL/INSTALLATION ) and check for loose wire terminals or poor connections at climate
control unit connector B (16P).

Are all the wire terminals tight, and is climate control unit connector B (16P) connector
connected properly?

YES: Go to step 13.

NO: Repair the loose wire terminal, or properly connect climate control unit connector B
(16P) and recheck the symptom.

13. Turn the illumination control dial on the gauge control module to the full bright position.

14. Measure the voltage between the No. 12 and No. 6 terminals of climate control unit connector B (16P).

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

Is there 1 V or less?

YES: Go to step 15.

NO: Repair open in the RED wire between the MICU and the climate control unit.

15. Measure the voltage between the No. 8 and No. 6 terminals of the climate control unit connector B (16P).

Is there battery voltage?

YES: Check connections at climate control unit connector B (16P). If connections are OK
substitute a known-good audio-HVAC display module and recheck the symptom. If the
symptom is gone, replace the original audio-HVAC display module.

NO: Repair open in the RED/BLK wire between the under-hood fuse/relay box and the
climate control unit.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

2004 ACCESSORIES & EQUIPMENT

Cruise Control - TSX

COMPONENT LOCATION INDEX

Fig. 1: Locating Cruise Control Components (1 Of 2)

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Cruise Control - TSX

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Cruise Control - TSX