Acura TSX / Honda Accord CL. Manual — part 12
Fig. 45: Speaker Circuit Resistance Table
20. Measure resistance between the stereo amplifier connector A (20P) speaker circuit terminals and body
ground according to the chart. See Fig. 46 .
Is there continuity?
YES: Repair short to ground between the stereo amplifier and the appropriate speaker.
NO: Go to step 21.
2004 Acura TSX
2004 ACCESSORIES & EQUIPMENT Audio System - TSX
Fig. 46: Speaker Circuit Ground Short Check Table
21. Substitute a known good stereo amplifier and retest.
Is the problem still present?
YES: Substitute a known good audio-HVAC display module and retest. If the original
problem is gone, replace the original audio-HVAC display module.
NO: Replace the original stereo amplifier.
CD DOES NOT EJECT
1. Turn the audio unit on.
2004 Acura TSX
2004 ACCESSORIES & EQUIPMENT Audio System - TSX
Does the system turn on?
YES: Go to step 2.
NO: Go to power switch will not turn ON (see POWER SWITCH WILL NOT TURN
ON ).
2. Check to see if the CD is ejected correctly with no binding by pushing the EJECT button.
Is it normal?
YES: Operation is normal.
NO: Go to step 3.
3. Insert another CD and recheck.
Does the problem continue?
YES: Replace the audio-HVAC display module.
NO: The original CD is faulty.
POWER SWITCH WILL NOT TURN ON
1. With the ignition switch ON (II), push the power switch ON to see if the audio unit turns ON.
Does the power turn on?
YES: Operation is normal. If the display turns on, but no sound is heard from the speakers,
go to audio system is weak or distorted, or no sound is heard from speakers (see AUDIO
SYSTEM SOUND IS WEAK OR DISTORTED, OR NO SOUND IS HEARD FROM
SPEAKERS ).
NO: Go to step 2.
2. Turn the ignition switch OFF, then check the No. 6 (10A) and No. 32 (7.5A) fuses in the under-dash
fuse/relay box.
Are the fuses OK?
YES: Go to step 3.
NO: Replace the fuse(s) and recheck.
3. Remove the audio-HVAC-display module (see AUDIO-HVAC DISPLAY MODULE
REMOVAL/INSTALLATION ). Check that audio unit connector A (20P) is properly connected.
Is it connected properly?
YES: Go to step 4.
NO: Reconnect the connector, and recheck the function.
4. Measure voltage between audio unit connector A10 terminal and body ground.
Is there battery voltage?
YES: Go to step 5.
NO: Repair the open circuit or poor connection in wire between the under-dash fuse/relay
box and audio unit connector A terminal No. 10.
2004 Acura TSX
2004 ACCESSORIES & EQUIPMENT Audio System - TSX
Fig. 47: Measuring Voltage Between Audio Unit Connector A10 Terminal & Body Ground
5. Turn the ignition switch ON (II).
6. Measure the voltage between the audio unit connector A terminal No. 2 and body ground.
Is there battery voltage?
YES: Go to step 7.
NO: Repair the open circuit or poor connection in the wire between the under-dash fuse/relay
box and audio unit connector A terminal No. 2.
2004 Acura TSX
2004 ACCESSORIES & EQUIPMENT Audio System - TSX
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