2003 Acura TL low beam headlight

Tiny
JRL711
  • MEMBER
  • 2003 ACURA TL
2003 Acura TL 6 cyl 85000 miles

I have ordered a D2R HID headlamp and want to know the steps to replace the bulb. Also if the problem is not the bulb, how do I replace the igniter module and/or the inverter (ballast)?
Thank you,
Jim
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Friday, July 30th, 2010 AT 9:03 AM

5 Replies

Tiny
KHLOW2008
  • EXPERT
Hi Jim,

You should perform test to confirm what is wrong before proceeding with replacement.

I have emailed you the files, hope they are helpful.
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Saturday, July 31st, 2010 AT 10:45 AM
Tiny
JRL711
  • MEMBER
Thanks for the information. I will do the tests first, however, if it is the ignitor or ballast, are they located inside the cover that I would remove to replace the bulb? Is there any similar instruction sheets for the ignitor or ballast replacement?
Thanks again for your help!
Jim
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Sunday, August 1st, 2010 AT 2:17 PM
Tiny
KHLOW2008
  • EXPERT
There are no instructions and information on the inverter and ignitor locations and replacement procedures in our database.

I managed to get the diagram from another site but do not know if it is the correct one as it is not labelled. Item # 7.


http://www.2carpros.com/forum/automotive_pictures/192750_HIDComp03TL_2.jpg

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Sunday, August 1st, 2010 AT 11:34 PM
Tiny
JRC1976
  • MEMBER
I am having the same problem, any way I can get some info on how to troubleshoot? Thanks!
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Sunday, February 6th, 2011 AT 4:30 AM
Tiny
KHLOW2008
  • EXPERT
HID LAMP SYSTEM TROUBLESHOOTING
CAUTION: Never turn on the combination light switch before fitting the HID bulbs to their bulb sockets and completing the reassembly of the
headlight assembly.

1. Check the No. 43 (20 A) and No. 45 (20 A) fuses in the under-hood fuse/relay box.

Are the fuses OK?

YES -Go to step 2.
NO -Replace the fuse (s), and recheck.

2. Substitute a known-good HID bulb and turn the combination light switch ON.
Does the headlight low beam come on?

YES -Replace the original HID bulb.
NO -Go to step 3.

3. Disconnect the 2P connector from the inverter unit.

4. Turn the combination light switch ON.

5. Measure voltage between the No. 2 terminal of the inverter unit 2P connector and body ground.

Fig. 34: Checking Voltage At Inverter Unit 2P Connector

Is there battery voltage?

YES -Go to step 6.
NO -Repair open in the wire between the under-hood fuse/relay box and the inverter unit.

6. Turn the combination light switch OFF.

7. Check for continuity between the No. 1 terminal of the inverter unit 2P connector and body ground.

Fig. 35: Checking Continuity At Inverter Unit 2P Connector

Is there continuity?

YES -Go to step 8.
NO -Repair open in the wire between the inverter unit and body ground. If the wire is OK, check for poor ground at G201 or G301.

8. Measure resistance between the No. 1 and B terminals and the No. 2 and A terminal of the igniter unit.

Fig. 36: Measuring Resistance

Is there about 1-2 ohm?

YES -Substitute a known-good inverter, and recheck. If the symptom goes away, replace the original inverter unit.

NO -Replace the igniter unit.
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Sunday, February 6th, 2011 AT 6:33 PM

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