LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Daytime running lights?

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Old 08-02-11, 11:04 AM
  #46  
bornpeace
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Here is my photo you can see the 3&4 DRL relay thru the bumper
Old 08-04-11, 11:44 AM
  #47  
ls400rgr
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Originally Posted by bornpeace
Courtesy of emarknot

Can't see photo - was it taken down?
Old 08-04-11, 04:55 PM
  #48  
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Originally Posted by ls400rgr
Can't see photo - was it taken down?

i couldnt see the either, but i found them.

on the main thread title page, on this topic, click on the paper clip icon. it will pull up the 3 added attachments.
Old 08-09-11, 12:41 PM
  #49  
ls400rgr
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Originally Posted by emarknot
i couldnt see the either, but i found them.

on the main thread title page, on this topic, click on the paper clip icon. it will pull up the 3 added attachments.

Nope - those were my photos of the right front of the car after removing the air filter

I'll look left front, by bumper, for the relays tonight
Old 08-09-11, 01:17 PM
  #50  
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Originally Posted by ls400rgr
Nope - those were my photos of the right front of the car after removing the air filter

I'll look left front, by bumper, for the relays tonight





I hope its the issue.
Old 08-12-11, 10:22 AM
  #51  
ls400rgr
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Originally Posted by ls400rgr
Nope - those were my photos of the right front of the car after removing the air filter

I'll look left front, by bumper, for the relays tonight

No luck on finding relay #3 & #4
Old 09-24-11, 06:33 AM
  #52  
ls400rgr
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Originally Posted by ls400rgr
No luck on finding relay #3 & #4
Saga update -

"Local" mechanic who is good with electrical couldn't find the problem after 3 days

Brought to dealer - $175 to diagnose problem. Also air conditioning quit and power steering pump leaking. Dealer says 2k to fix all - I say ok if it will get me to 300k miles (car has 280k now). One week later I am still driving the loaner - the high light switch they thought was the problem ... isn't.
Would love to get to 300k miles but .....

Last edited by ls400rgr; 09-24-11 at 06:34 AM. Reason: spelling
Old 09-24-11, 07:54 AM
  #53  
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Originally Posted by ls400rgr
Saga update -

"Local" mechanic who is good with electrical couldn't find the problem after 3 days

Brought to dealer - $175 to diagnose problem. Also air conditioning quit and power steering pump leaking. Dealer says 2k to fix all - I say ok if it will get me to 300k miles (car has 280k now). One week later I am still driving the loaner - the high light switch they thought was the problem ... isn't.
Would love to get to 300k miles but .....

the high light switch wouldnt be the problem. its the dlr relay.
if you look at the wiring diagram, you will see the that the final point of power distribution is the dlr relays, and then before that....the relay behind the glove box. the problem is very easy to see.

the the fact that the "glovebox" relay has power, means that the whole circut is working, including getting power from the high switch. and how do I know the the "glovebox relay" has power ? because 1 of your dlr's are working, and the other one isnt. if they were both in-op, then the problem would begin elsewhere.

if my 91 had dlr's, I would personally go hunt the relay down, take my own car apart to get them, pull 1 of the relays, and take a pic of ....1 dlr on and the other in-op.


I hope the dealer gets it figured out for you soon.

good luck

did you atleast get a nice loaner?
Old 09-24-11, 04:09 PM
  #54  
ls400rgr
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Originally Posted by emarknot
the high light switch wouldnt be the problem. its the dlr relay.
if you look at the wiring diagram, you will see the that the final point of power distribution is the dlr relays, and then before that....the relay behind the glove box. the problem is very easy to see.

the the fact that the "glovebox" relay has power, means that the whole circut is working, including getting power from the high switch. and how do I know the the "glovebox relay" has power ? because 1 of your dlr's are working, and the other one isnt. if they were both in-op, then the problem would begin elsewhere.

if my 91 had dlr's, I would personally go hunt the relay down, take my own car apart to get them, pull 1 of the relays, and take a pic of ....1 dlr on and the other in-op.


I hope the dealer gets it figured out for you soon.

good luck


did you atleast get a nice loaner?

I have a IS 300 loaner with 17k miles, sat radio. It is a nice sporty ride
Old 09-24-11, 06:18 PM
  #55  
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......lucky
Old 09-26-11, 05:53 PM
  #56  
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Originally Posted by emarknot
......lucky
Sent Dealer tech your suggestion today - said he has tried that

Now says it is a ECM computer - another $1500. Will be $ 3500 to put car back on road. Wonder if it is all worth it for a vehicle with 280k miles

Last edited by ls400rgr; 09-26-11 at 06:06 PM.
Old 09-26-11, 06:48 PM
  #57  
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ecm for a dlr ?
Old 09-26-11, 07:14 PM
  #58  
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Originally Posted by emarknot
ecm for a dlr ?
Unsure except for the cost
Old 09-26-11, 07:41 PM
  #59  
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so, say you cough up the $1500 for a new ecm, and you still have a dlr in-op..........what are they going to then?

the whole wiring harness next?

at this rate, the money you spend to get this right......might as well call it even for the down payment and just keep the loaner.......

sorry, just trying to add a lil lol to the situation
Old 09-27-11, 08:52 AM
  #60  
ls400rgr
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Originally Posted by emarknot
so, say you cough up the $1500 for a new ecm, and you still have a dlr in-op..........what are they going to then?

the whole wiring harness next?

at this rate, the money you spend to get this right......might as well call it even for the down payment and just keep the loaner.......

sorry, just trying to add a lil lol to the situation

Good fun -

I may just send my car to auction and get $1500 - then look at other options


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