11-06-2019, 02:11 PM
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#1
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HVAC illumination, specific question other than replacement neo LEDS.
I replaced the bulbs behind the HVAC controls. On each of the three dials, the selector light comes on when you choose (ie switch from face air to legs air).
The illumination at night of all three dials does not work, they do not have a back light that lights each single HVAC option.
QUESTION:
Does one single bulb cover the illumination of all the options or does each dial have illumination provided by their individual dial?
Probable Solutions:
1. Something is wring with the wiring for the illumination?
2. A single bulb covers all three and I inserted with wrong polarity?
Trying to figure out how to diagnose the night illumination on these HVAC controls.
Thanks.
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11-07-2019, 01:40 AM
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#2
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Senior Member
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Quote:
Originally Posted by randy88fj62
I replaced the bulbs behind the HVAC controls. On each of the three dials, the selector light comes on when you choose (ie switch from face air to legs air).
The illumination at night of all three dials does not work, they do not have a back light that lights each single HVAC option.
QUESTION:
Does one single bulb cover the illumination of all the options or does each dial have illumination provided by their individual dial?
Probable Solutions:
1. Something is wring with the wiring for the illumination?
2. A single bulb covers all three and I inserted with wrong polarity?
Trying to figure out how to diagnose the night illumination on these HVAC controls.
Thanks.
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This diagram should help, keep in mind that the HVAC controls are different on the Limited with the Dual Zone vs. the SR5 single zone controls.
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11-07-2019, 09:29 AM
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#3
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Location: Toronto Canada
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Quote:
Originally Posted by AuSeeker
This diagram should help, keep in mind that the HVAC controls are different on the Limited with the Dual Zone vs. the SR5 single zone controls.
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Great info thanks!
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11-07-2019, 09:38 AM
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#4
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Member
Join Date: May 2015
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Quote:
Originally Posted by randy88fj62
I replaced the bulbs behind the HVAC controls. On each of the three dials, the selector light comes on when you choose (ie switch from face air to legs air).
The illumination at night of all three dials does not work, they do not have a back light that lights each single HVAC option.
QUESTION:
Does one single bulb cover the illumination of all the options or does each dial have illumination provided by their individual dial?
Probable Solutions:
1. Something is wring with the wiring for the illumination?
2. A single bulb covers all three and I inserted with wrong polarity?
Trying to figure out how to diagnose the night illumination on these HVAC controls.
Thanks.
|
Is this what you mean? See my center knob and how none of the options are illuminated orange like the two outside knobs. Since this picture, I replaced most of the bulbs (and now the LCD is fully illuminated, but haven't located the problem for my center knob. And yes, I replaced the 90010-09015 and two 90010-09016s in the above diagram. It almost has to be circuit board related, unless I am missing something!
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From ye fellow @Konkordmusk... "The 4Runner does not drive. It simply rotates the Earth to your desired position."
Last edited by apohl17; 11-07-2019 at 09:43 AM.
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11-07-2019, 11:45 AM
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#5
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apohl17,
I believe my problem lies either in some issue with my wiring illumination in general or the circuit board of the HVAC controls. To add to the discussion, the buttons on the left side of my steering wheel don't illuminate either.
I may need to start diagnosing wiring etc. I was hoping it was an easier problem to solve buy alas, I think it's one of those painful slow wiring checks.
AuSeeker,
I replaced all the bulbs shown in the FSM exploded view you posted. I even double checked for polarity etc. So you've answered part of my question which is I have taken care of the bulbs and ruled them out.
Last edited by randy88fj62; 11-07-2019 at 12:22 PM.
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11-07-2019, 02:12 PM
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#6
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Quote:
Originally Posted by apohl17
Is this what you mean? See my center knob and how none of the options are illuminated orange like the two outside knobs. Since this picture, I replaced most of the bulbs (and now the LCD is fully illuminated, but haven't located the problem for my center knob. And yes, I replaced the 90010-09015 and two 90010-09016s in the above diagram. It almost has to be circuit board related, unless I am missing something!
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do you have the dimmer half going on with the readout panel above the knobs? scope it sometime and give it a little love tap if so, brought mine back for a while. mine was on the right side.
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11-07-2019, 02:38 PM
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#7
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Quote:
Originally Posted by hinmo24t
do you have the dimmer half going on with the readout panel above the knobs? scope it sometime and give it a little love tap if so, brought mine back for a while. mine was on the right side.
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This is an older picture, the left side bulb was just burnt out. It's been replaced since! New bulb and the whole shebang is orange now. Except for the center knob readouts...
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"Bumble" '17 Lim w/ 35k, IVD Stage 7, CBI/Prinsu metal, Morimoto lighting, ARB Linx : Build thread in progress...
The AventuRunner Build '07 V8 Sport w/ DO armor, Fox squish, Falken rubber, IVD UCAs, BD lights, Sherpa rack -- gonna miss the V8
The "Iceberg" Build... Natty White 3rd Gen ----gone, but not forgotten...
IG @apohl17
From ye fellow @Konkordmusk... "The 4Runner does not drive. It simply rotates the Earth to your desired position."
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11-07-2019, 02:48 PM
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#8
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Quote:
Originally Posted by apohl17
Is this what you mean? See my center knob and how none of the options are illuminated orange like the two outside knobs. Since this picture, I replaced most of the bulbs (and now the LCD is fully illuminated, but haven't located the problem for my center knob. And yes, I replaced the 90010-09015 and two 90010-09016s in the above diagram. It almost has to be circuit board related, unless I am missing something!
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What did you replace the LCD bulbs with? Just curious
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11-07-2019, 04:18 PM
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#9
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Quote:
Originally Posted by blackjackck
What did you replace the LCD bulbs with? Just curious
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OEM 90010-09017 Bulbs... Ebay Link
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"Bumble" '17 Lim w/ 35k, IVD Stage 7, CBI/Prinsu metal, Morimoto lighting, ARB Linx : Build thread in progress...
The AventuRunner Build '07 V8 Sport w/ DO armor, Fox squish, Falken rubber, IVD UCAs, BD lights, Sherpa rack -- gonna miss the V8
The "Iceberg" Build... Natty White 3rd Gen ----gone, but not forgotten...
IG @apohl17
From ye fellow @Konkordmusk... "The 4Runner does not drive. It simply rotates the Earth to your desired position."
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11-07-2019, 05:45 PM
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#10
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Quote:
Originally Posted by apohl17
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Thanks for PN
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11-08-2019, 01:18 PM
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#11
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Quote:
Originally Posted by apohl17
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I think I've given up on LED for these. The 12v don't work and just looking for a plug and play LED bulb. Appreciated the link will get a couple.
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2008 V6 4x4 Sports Edition / Build Thread/ FJ Off Road Package, 265/70/17, 2012 FJ Wheels, Husky Liner, LED bulbs, Spare Bumper -current////// SOLD Past vehicles:1996 V8 Landcruiser Rebuilt; 1988 Jeep Wrangler- 2 inch lift with 33' tires; 1976 Jeep CJ 7 (inline 6) - Frame off restoration
Last edited by blackjackck; 11-08-2019 at 01:25 PM.
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11-08-2019, 01:22 PM
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#12
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Quote:
Originally Posted by blackjackck
I think I've given up on LED for these. The 12v don't work and just looking for a plug a play LED. Appreciated the link.
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I went all LED in my 3rd gen and as much as they are nice, I had a bunch of them flicker and fry out in subzero temps during camping trips. The OEM should last me a while, and frankly, I don't mind the orange one bit...
__________________
"Bumble" '17 Lim w/ 35k, IVD Stage 7, CBI/Prinsu metal, Morimoto lighting, ARB Linx : Build thread in progress...
The AventuRunner Build '07 V8 Sport w/ DO armor, Fox squish, Falken rubber, IVD UCAs, BD lights, Sherpa rack -- gonna miss the V8
The "Iceberg" Build... Natty White 3rd Gen ----gone, but not forgotten...
IG @apohl17
From ye fellow @Konkordmusk... "The 4Runner does not drive. It simply rotates the Earth to your desired position."
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11-08-2019, 01:31 PM
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#13
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Quote:
Originally Posted by apohl17
I went all LED in my 3rd gen and as much as they are nice, I had a bunch of them flicker and fry out in subzero temps during camping trips. The OEM should last me a while, and frankly, I don't mind the orange one bit...
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I even bought a bag of LED 6v from amazon hoping I can get it to work but to spend that much F-ing time on 2 F-ing bulbs is crazy. Ill return the bulbs to amazon and stick with the OEM. was able to get the other lights to light up using the NEOs.
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2008 V6 4x4 Sports Edition / Build Thread/ FJ Off Road Package, 265/70/17, 2012 FJ Wheels, Husky Liner, LED bulbs, Spare Bumper -current////// SOLD Past vehicles:1996 V8 Landcruiser Rebuilt; 1988 Jeep Wrangler- 2 inch lift with 33' tires; 1976 Jeep CJ 7 (inline 6) - Frame off restoration
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11-08-2019, 04:59 PM
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#14
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I have a related question...
My center console display (LCD with time/MPG) is not illuminating and doesn’t appear to be getting power (checked with a multi-meter).
The odd thing is there is power for all the surrounding lights (AC controls, Airbag light) just not the actual display.
Is there a fuse specific to the display?
Thoughts on what could be causing the issue??
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05-19-2020, 06:57 PM
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#15
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I'm not entirely sure this pertains the discussion, but here you guys go:
looking at the back of the HVAC assembly:
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