I took it to the daeler for seerice and then noticed the headlight doesnt work. I have a 2--5 sport with HID system. I am told that the module is bad and it will cost 1000.00 to repair. I assume the mocule is bad, is there an after market module available? and what is the module called, where is located, how do I replace it?
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toyotarepairsemipro.blogspot.com/.../replacing-hid-ballast-or-computer.... May 1, 2010 - Replacing HID ballast or computer control lighting for the Headlight. Just got a ... Up until now, I did not know I had the option of seeing twice as far with Xenon. Also up to ... In the end after buttoning everything up, the light did work fine. .... Howdo you determine if you have a HID or non-HID light? Reply ...
The HID requires a ballast, did you do any rewiring? Did you check the fuses? Unplug the relay either hi or low, use jumper wire between terminals 30 and 87, the lamps should work, I'm talking about your regular lamps. If they work with the jumper, then check control side of relay.
Have you check all the fuses with a volt meter and also there should be fuses under the bonnet. Is there a volt supply on the wires that you replaced just to make shaw that the wires haven't melted down the wiring loom i know on most newer cars each light has its own fuse ,is all the rear lights working ok .if you let me know what make of car you have i will see if i can find any thing out for you,
the other problem could be your light switch inside the car thats burnt out i had this problem with my ford sierra cosworth one minute it was ok then went to go home and i didnt have any lights.
hope this helps.puggy
Im assuming that you have check the fuses for the headlights and they are good.If your headlight is HID(Hight Intenstiy Discharge Xenon bulb) The headlight assembly will have a balast that might be defective.Deferentiating the Halogen from HID.Halogen will have a yellowish color when you turn on the headlights whereas the HID will have a whitesh to bluesh in color.If your clk320 does have a halogen then its highly probable you have an electrical problem but if its HID then you might want to replace the balast.
The headlights run through a relay (#46) through the BCM. If the relay were bad (very common and has a recall) both lights would not work. Sooo, I'm thinking check the wiring and pigtail that goes to the bulb. People that use Silverstar halogeon bulbs will burn that wire and or the connector. Make sure these are sound, check for power at the connector too.
The ECU on my 2004 Sienna passenger HID light went bad due to the condensation in the light, or at least that's what it looked like when I opened it up. The ballast was all corroded. Anyway, I searched and searched online for a way to fix it without paying the dealer $900. I just fixed it today for $92. I got the replacement ballast brand new for $92 shipped from The Retrofit Source at this site: http://www.theretrofitsource.com/product_info.php?cPath=26&products_id=161
Then I searched for an online manual for 2004 Sienna, found that, and went through the procedure of partially removing the bumper cover, taking the screws for the light fixture out, turning it on it's side and replacing the ballast. It took me about 2 hours to do the whole job, and everything works fine.
By the way, I got the part from The Retrofit Source in about 2-3 days without paying any expedited shipping. They were extremely helpful on the phone, delivered earlier than I expected, and saved me $800!!
You can change the bulb easily yourself in about five minutes, especially on the passenger side. You may want to disconnect the battery, though I don't know if that is necessary. You may also want to handle the bulbs wearing latex or nitrile gloves so as to not get your skin oil on the glass.
1. Remove the decorative cover that conceals the Coolant reservior. There is a single philips screw near the firewall that holds the cover down.
2. Find the back of the headlight and pull the metal wire clip that holds the back of the headlight cover toward the engine. Remove the cover.
3. Look inside and find the back of the HID bulb--it will be toward the outside fender. Twist the connector until it separates.
4. There is a retainer ring that holds the bulb in. Again, twist that until it comes loose. The bulb should come right out.
5, Put the new bulb in, noticing the notch is on top. Also, attach the retainer ring. It is marked "Top" to help orient it. Reattach the connector with a twist.
6. Make sure everything is firmly in place. Reconnect your battery and test the lights. Finish putting anything else back on.