Actually it is a 2000 Passat. Headlight comes on when engine switch is on and handbrake is off. Under these circumstances turn signals work OK (except when the left turn signal is activated, the instrument panel light starts flashing along with the turn signal. Also the right side rear light (not the turn signal) start flashing confusing the car behind you). For night driving you have to turn on another switch which lights up the instrument panel and the rear lights. When you do this the left side flashers - front and back - are permanently ON and thus do not respond to the turn signal command. I replaced the flasher relay but the problem is still there. Please help.
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Your Corolla has daytime running lights (DRLs). A photocell determines whether it is day or night. Your DRLs turn on automatically in daytime without you operating the light control ("headlight") switch. Your DRLs are actually your headlights on low beam. At night, the photocell senses it is dark and disables the DRLs. When you set the light control ("headlight") switch to HEAD, the head relay closes and the headlights should turn on. Since they don't, I suggest opening the engine room junction block and checking the 40A MAIN fuse and the 10A LEFT HEAD (UPPER) and RIGHT HEAD (UPPER) fuses. In engine room relay block 5, check the 10A LH-LWR HEAD and RH-LWR HEAD fuses. Replace any blown fuses and the headlights should be working normally again
This sometimes is triggered by the MAF(Mass Air Flow Sensor), try cleaning it with the highest percent isoproply alcohal first, do not touch the sensor with anything use a big bag to soak it into, or just replace the sensor.
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This is for 03 jetta gls
There are fuses for left and right low beams. Headlights on low beam, use a test light, see if voltage on fuse circuit? If no voltage that will lead us back to dimmer switch or problem with wiring circuit from dimmer switch.
there is a small switch at the base of the handbrake lever, if u pull the rubber boot back u will see it, the switch turns off when the little spring plunger is pushed down in that switch, many times the switch bracket gets bent and then the handbrake lever fails to depress the plunger and the light stays on check it, if u depress the switch with your finger and the light doesn't go out u may have a grounded wire to the switch, in that case u will need to pull the boot off to trace the wire and find the damaged section..
First off, do you have a knob on the dash for the headlights, or do you have a lever on the column that turns them on? If you have the lever on the column, and you can turn on the highbeams by pulling back on the turn signal stalk, and hitting the hazard button turns the flashers on, then chances are the stalk is bad (it's called the combination switch and it's a common failure on the B5 chassis cars (the Passat and Audi A4)).
Try that out - hit the hazard button and see if the hazards work. Pull back on the stalk and see if the high beams come on (they should - toggling like that uses a circuit that is separate from the usual headlight circuits).
Post back up with the results of these checks:
Headlight switch on column or dash? Highbeams turn on when turn signal stalk is pulled back? Hazard button activates hazard lights?
Let me know what you find out and I'll be able to tell you more definitely.