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Do It Yourself (DIY): Replace Toyota Vios’s Air Conditioner Panel Bulbs

Here is the full guideline to replace all the bulbs in AC panel. Read the tips before you start!

Bulb size for AC panel: T4.2

T4.2 1 520x292 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

T4.2-1 bulb

T4.2 2 520x292 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

T4.2-2 Bulb

 

AC Panel bulb replacement

Before we start, turn the temperature switch to OFF, fan speed to 0 and leg air con controller to only air con (basically everything to the most left).

Remove the V panel starting from the bottom.
pic1 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove 3 pins from each side starting from the bottom to top; you may need to apply force to pull it out in your first attempt.

pic2 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Toyota Vios Panel Uncovered

There are clips behind every dial; you may need a small screwdriver to make it out. An alternate way to remove them, push the dials from the side as shown in the picture below, either push from the left or vice versa.

pic3 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Toyota Vios Panel Uncovered

I shall start from air-con speed dial on the left. Remove the cable connector by pressing the middle and pull it out as shown on below.

pic4 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove Connector at Toyota Vios Panel AC Knob

Continue to remove the next cable behind which controls the internal and external air. Use a screwdriver or your car key to push into the arrow direction as shown on picture.

pic5 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove Connector at Toyota Vios Panel AC Knob

Once it is being removed, you can spot the bulb straight away. Use a flat head screwdriver and turn it anti-clockwise to loosen the bulb and remove it. Be sure to plug the 1st cable you removed at the start to test whether the LED is working before you reassemble it back! Turn on your car light will do. Just plug and play, if it doesn’t work, means the positive and negative are placed opposite. Just turn it 180 degrees and test it again.

pic6 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Back of Toyota Vios Panel AC Knob

Moving on to the 2nd dial (leg air con controller), give a gentle press on the arrow pointed part and the cable can be removed easily. Take note DO NOT remove the behind part! And make sure it is turned to the left end before you continue to next step.

pic7 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove the Wire of Toyota Vios Panel AC Knob

Push out the clips from all 4 sides using a screwdriver. Try not to damage or break it.

pic8 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Push of 4 clips from Toyota Vios AC Knob

Once it is removed, you should see the gears and the bulb. Now here is the tricky part, look closely to the gears, you should notice that there is a ‘V’ shape in both gears, be sure they are at the same line when you reassemble it.

pic9 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

V shape if both gear of Toyota Vios AC Knob

Now, remove the 4 clips around it with finger nail as highlighted in the picture. After it is removed, you will be able to reach the bulb and remove it. Do remember to connect the cable to test the LED before reassemble.

pic10 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove 4 clips of Toyota Vios AC Knob

Now comes the last temperature dial, removing the cable is just the same way as previous dial, gently push down the button and release it as shown on the picture.

pic11 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Remove wire of Toyota Vios AC Knob

4 pins, 1 in each side, remove all of them and the black and white plastic will be separated as shown below. You can actually see the bulb and the gear too.

pic12 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Dissemble the Toyota Vios AC Knob

pic13 520x292 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Dissemble theToyota Vios AC Knob

Again, make sure both gears are in the same line under ‘V’ marking; also ensure that the temperature is set to OFF.

pic14 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Dissemble the Toyota Vios AC Knob

Remove 4 clips all around each sides and both base will be separated. Turn it around and you will the bulb right below it. Test it out before you reassemble.

pic15 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Dissemble the Toyota Vios AC Knob

pic16 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Dissemble the Toyota Vios AC Knob

All done! The Toyota Vios AC panel is shine bright like a diamond~

pic17 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Brighter Toyota Vios AC Panel Knobs

Tips

  • Mark a small note on the T4.2 base for easy reference; at least you know which side it is when you want to rotate the LED if it doesn’t light up.
tips1 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

tips 1

  • If the LED doesn’t light up in both directions after you swap, which means the metal piece is not in contact with the copper circuit. You may use a screwdriver and push out the wire so that the wire has bigger contact point.
tips2 520x292 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

tips 2

  • If you want to purchase a T5 LED, make sure you purchase those with a plastic leg and the shape is same as T5 bulb. The type I bought could not fit in nicely and it can move easily, I couldn’t tighten it even after pushing it fully in. They do not share the same shape and design.
tips3 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

tips3

Result:

final 1 292x520 Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Toyota Vios Glow Gear Knob and bright AC panel

Credit this DIY article and photos to Henry 217 icon smile Do It Yourself (DIY): Replace Toyota Vioss Air Conditioner Panel Bulbs

Checkout the another article from Henry about replacing the Gear’s bulb at here: http://www.carreviewsncare.com/do-it-yourself-replacement-for-toyota-vios-gear-panel-bulb/

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Do It Yourself (DIY): Replacement for Toyota Vios's Gear Panel Bulb

Kelvin Ang

Kelvin Ang fixed the car together with his dad during his younger day and he has grew up to be an automotive enthusiast ever since then. Other than keeping the car in the optimum condition, he loves to fetch his beloved family members and friends to every destination. Seeing his family and friends smiling throughout the journey in the car is priceless moment for him.

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