I have a 04 acura and the lights in the radio clock an heat controls does not work.

ACURA Service Bulletin

04-021


Applies To: 2004 TSX - From VI N JH4CL9...4C000001 thru JH4CL9...4C028982

July 9,2004

Audio-HVAC Display Module Is Dim or Dark

SYMPTOM
The audio display and controls (knobs, buttons, bars)
of the audio-HVAC display module are dim or are dark.

PROBABLE CAUSE
Faulty audio unit.
CORRECTIVE ACTION
Replace the audio unit. Refer to S/B 87-015, Audio Unit
In-Warranty Exchange/Out-of-Warranty Repair.
If a client calls ahead to schedule an appointment, and
the vehicle is in the affected VIN range, order the
remanufactured audio unit right away so it is available
when the client comes in.

PARTS INFORMATION
Order the appropriate replacement audio unit:
NOTE; The audio unit is listed as a Tuner Assembly in
the Interactive Network (/N) Parts Catalog. This unit is
both a tuner and a 6-disc CD changer.
Tuner Assembly (without navigation system):
P/N 39175-SEC-A02RM
Tuner Assembly (with navigation system):
P/N 39175-SEC-A82RM

WARRANTY CLAIM INFORMATION
In warranty: The normal warranty applies
Operation Number: 010149
Flat Rate Time: 0.5 hour

Failed Part: Use the RM part number (from the
repair order) without the RM.
Example; 39175-SEC-A01
Defect Code: 03214
Symptom Code: 03272
Skill Level: Repair Technician

Out of warranty: Any repair performed after warranty
expiration may be eligible for goodwill consideration by
the District Parts and Service Manager or your Zone
Office. You must request consideration, and get a
decision, before starlina work.

REPAIR PROCEDURE
1. Go to S/B 87-015, Audio Unit in-Warranty
Exchange/Out-of-Warranty Repair, for guidance on
how to get the remanufactured audio unit.
2. if you can read the audio display, write down your
client's radio station presets.
3. Remove the audio-HVAC display module (see page
22-267 of the 2004 TSX Service Manual). (In ISIS,
use the keyword DIS MOD, and select Audio-
HVAC Display Module Removal/Installation frorn
the list.)
4. Remove the faulty audio unit from the audio- HVAC
display module (see page 22-268). (In ISIS, use the
keyword DIS PAN, and select Audio-HVAC
Display Panel Removal/Installation from the list.)
5. Transfer the left and right brackets from the faulty
audio unit to the remanufactured audio unit. If the
remanufactured unit has a shipping cover and
shipping screws, make sure you transfer them to
the faulty unit being returned.
6. Install the remanufactured audio unit in the audio-
HVAC display module. Then reinstall the audio-
HVAC display module.
7. Enter the anti-theft code for the new audio unit.
Enter your client's radio station presets if you
recorded them in step 2.
8. Make sure all of the functions of the audio unit and
HVAC work properly.

9. Replace the sticker on your customer's anti-theft
radio identification card with one of the new stickers
that show the anti-theft code. Apply the other
sticker that shows the anti-theft code onto the
vehicle history file copy of the repair order.

10. Remove all old serial number stickers from the side
of the glove box or inside the center console. Then
apply the new sticker that shows only the serial
number to the side of the glove box.
11. Return the faulty audio unit to the parts
department. Refer to S/B 87-015 for parts return
in structions

This maybe a late reply but you can hold cd/aux button until you hear beep, that will turn it off and on.