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That piece you think is a ceramic DRL module is a resistor , When in DRL mode voltage to the low beam headlamps circuit goes through that resistor dimming the headlamps from low beam to daytime running lamps . It sounds to me like you need a new resistor ,but without doing some electrical testing it could be a lot of things . The DRL relay in the under hood fuse box could have a problem , could be the BCM - body control module , the ambient light sensor etc... Here is how daytime running lamps work .
Daytime Running Lamps (DRL)
The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal it will either turn on the daytime running lights (DRL) or the headlights. Any function or condition that turns on the headlights will cancel the daytime running lamps operation. With the headlight switch in the OFF position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The HTR A/C IGN fuse in the underhood junction block supplies ignition positive voltage to the daytime running lamp (DRL) relay coil circuit. The DRL relay switch contacts are connected to the low beam circuit. When the headlamp switch is placed in the OFF position, the BCM will either turn on or off the daytime running lamps, depending on whether daylight or low light conditions are sensed. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit. Ground is provided at G101. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.
Wahoo do is pop the hood, and there should be two-three screws around the headlamp assembly. These adjust the light directions. But you'll need to pull the vehicle away from a solid wall by about ten feet I think it is, and mark off a little area to adjust the lights at the correct level. You will be able to find this at you
ocal auto parts store. I usually go to Advance Auto, or Auto Zone. They have the little kit that helps you get all the marks on the surface you are using.
The problem with the headlights is a common one and it is in the low beam relay.; In the under hood fuse panel, locate the HDM relay, swap this relay with the FAN relay next to it. If the lights stay on, replace the relay. This is a solid state relay, so make sure to get the same part number.
Since you've eliminated the headlight itself as the source of the malfunction, the problem is most likely the headlight bulb connector - the female connection inside the connector to the hi beam is good, but the connector supplying power to the low beam is bad. Your fix is to replace the headlight connector. How: buy a replacement headlight connector at your favorite auto parts store, cut off the old connector, then (a) solder and heat-shrink or (b) wire nut and E-tape, or (c) crimp connector the new headlight connector onto the existing wiring (being careful to route the conductors to the correct wires on the connector). Your cost: about $3 for a new connector
a headlight on a Toyota Matrix is a simple process that only requires
the use of a screwdriver and a replacement bulb. The Matrix uses 9006
bulbs for the low beams and 9005 bulbs for the high beams. Headlight
bulbs can be purchased at auto parts stores.
Replacing Low Beam Bulb
Turn off the engine of the Matrix and open the hood
the bulb base in the headlamp assembly counterclockwise to remove the
low beam bulb. Unplug the electrical connector. If the connector is too
tight, wiggle it slightly to help remove it.
Install a new bulb into the connector and place it into the assembly. Rotate it clockwise to lock it into place. Close the hood.
Replacing High Beam Bulb
off the engine of the Matrix and open the hood. If replacing the
left-hand headlight, remove the air cleaner duct by removing the
securing clip with a screwdriver and pulling the duct out of the vehicle.
Turn the bulb base counterclockwise to remove it. Unplug the electrical connector.
a new bulb into the connector and place the bulb into the assembly.
Rotate it clockwise to lock it into place. Reattach the air cleaner
duct if replacing the left-hand headlight. Close the hood
The Module for the DRL is most likely bad, the DRL Module is squarish in shape and Black in color and would be located in the fuse area or in the engine compartment. Just pull it straight out and purchase another one and re-install. Buying new low-beam lights will not solve the problem, because if your low-beams work when you turn on your headlights than it is not your bulbs. The DRL Module uses your low beam lights, but at a lower intensity than when it is normally on, so if your low beams work when you turn on the headlight switch than your DRL Module is bad.
Hi, if you have a meter to check the bulb, use it to check the wiring to the socket or wiring for power when light switch is turned on. You should have around 12 volts depending on year and type of truck or auto. If the old bulb was burned, you should have power there. When you turn on switch, the other side should work and you will know you have power and it may just be corroded. Check this and you should find the problem. Please keep me posted on this, I will be around to help you. Please rate me kindly if I have been of help to you. Sincerely, Shastalaker7
The light sensor to control the automatic headlamps is located on the dashboard. This sensor is suppose to activate running and headlamps. I would suspect the problem is a relay to operate the headlamps if the car uses a seperate relay in the automatic mode. I'm assuming the headlamps work in manual on/off. FYI... The auto mode does not control the fog lamps.
I was able to locate an owners manual for the vehicle. The large plastic weatherguard protecting the headlight bulb connections needs to be rotated CCW about 90 degrees, and removed to provide access to the bulbs. Then remove the center connection for the low beam and release the spring clip retainer to release the low beam bulb. Replace with new bulb and reconnect/reinstall retainer clip, center connector wire, and weatherguard. Note that this is the procedure for the Turbo Baja...non-Turbo model is different.