Question about 2001 Lexus ES 300

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No high beams, even to flash.

Tested fuses, replaced light switch, replaced dimmer relay, checked bulbs, tested wiring from high beam relay to lights, no problem there. located a burned circuit in integration relay, don't know what it goes. Also no high beam indicator on dash

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You can try this, it worked on a friend of mines ES 300 with the similar problem, Disconnect the wires from the battery clean the terminals on the battery, Now instead of connecting the cables back to the battery connect the cables to each other- While the cables are connected this way make sure that they DO NOT come in contact with ANYTHING metallic on the car. Leave the cables connected this way for at least 20 minutes, then reconnect the cables back to the battery, make sure you have your radio code before you disconnect the battery,

Posted on Dec 05, 2014

Testimonial: "Sorry but no help. any other ideas?"

  • g4ran Dec 05, 2014

    if you have found a burned circuit in the integration relay there could be a short somewhere I have attached a pdf of fuse relay etc locations hope this may be of some help

  • g4ran Dec 05, 2014

    sorry it wouldnt let me paste the pdf but try this link someone maybe able to help you good luck, /forums/sc-400-300/661785-help-headlights-wont-turn-on.html

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Posted on Jan 02, 2017

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I want to take out the high beem fuse for a 2003 buick regal... I lost the car manual


Two fuses HDLP L fuse #36 15amp & HDLP R fuse #32 15amp ,located in the under hood fuse / relay box. One is for Left - low an high beams an the other is for right side low an high beams . What's wrong , no high beams ?
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1

Did you perform the Lighting System Diagnostic System Check?
Go to Step 2
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2

  1. Turn the ignition to the OFF position.
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  3. Place the headlamp dimmer switch in the high beam position.
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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
yes Go to Step 3


Is only one high beam headlamp inoperative?
yes Go to Step 7
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Place the headlamp dimmer switch in the flash to pass position.
Do the high beam headlamps operate in the flash to pass position?
Go to Step 13 yes
Go to Step 5 no

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Place the headlamp dimmer switch in the high beam position.
Does the high beam indicator illuminate?
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Test for a high resistance, an open or a short to battery positive voltage in the high beam signal circuit of the headlamp dimmer switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
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  1. Disconnect the inoperative headlamp.
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Does the test lamp illuminate?
Go to Step 8
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8

Connect a test lamp between the headlamp high beam signal circuit and the battery positive voltage circuit of the inoperative high beam headlamp.
Does the test lamp illuminate?
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Go to Step 10

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Test for a high resistance or an open in the battery positive voltage circuit of the inoperative headlamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 12

10

Test for a high resistance or an open in the headlamp high beam signal circuit of the inoperative high beam headlamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 12

11

Inspect for poor connections at the harness connector of the inoperative headlamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
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12

Inspect for poor connections at the harness connector of the fuse block - underhood. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
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13

Inspect for poor connections at the harness connector of the headlamp dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
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Replace the inoperative headlamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement .
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Replace the fuse block - underhood. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.
Did you complete the repair?
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16

Replace the headlamp dimmer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.
Did you complete the repair?
Go to Step 17
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Operate the system in order to verify the repair.
Did you correct the condition?
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1 Answer

I have a 1993 Honda Accord and the head lights won't turn on. I have changed the fuze and added new bulbs. what else can it be.


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HIGH BEAMS : same thing as above thru fuses 37 & 38. When the dimmer is in high, the dimmer relay provides ground to the high beams, and the high beams come on.

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2 Answers

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......No other History, symptoms, clues, things already checked?
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...if not fuses or relays, then potentially the column light/dimmer stalk which is a much bigger pain...
...could also spray some electrical contact cleaner into the column dimmer/light stalk switch and see if any result.
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1 Answer

Its reversial for me my high beams wont work what


Good day:
the following is what you can do to test to see whats going on
turn on the headlights,put in high position
2.leave light in high, disconnect the head light dimmer switch, connect a fused jumper between head light relay supply voltage circuit of the dimmer switch and the control circuit of the head light relay. if the high beams come on then replace the dimmer switch, if the high beams don,t come on then.
3.use a fused jumper across the battery positive voltage supply circuit and the switched high beam voltage supply circuit. if the high beam come on now replace the head light relay, if the high beams don't come on then you will have to replace the LH I/P fuse block. I would most likely say that it's the relay just because of the year. I gave you a lot here I hope this helps

Cheers

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https://s12.postimg.org/6o2zcv3hp/jetta_headlamps.jpg

Click on the link.
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