answersLogoWhite
Chevy Corvette
Grand Prix GTP
Grand Prix SE

Fixing the Heads up display light sensor?

495051

Top Answer
User Avatar
Wiki User
2011-09-13 03:00:35
2011-09-13 03:00:35

Courtesy of MACCGP.com

Replacing the HUD Photodiode

by Bill Whitmer

Tools Needed:

Medium to Large Philips screwdriver

Very Small Flat Head screwdriver

T-15 Torx Bit or Driver

25w or less (not more!) Soldering Iron, with fine tip

Vacuum Desoldering Tool

Drill with 15/32" Bit

Small needle nose pliers

Parts Needed:

Very small amount of 1/8" diameter head shrink tubing.

Solder

Replacement Photodiode

2x PDB-C142-ND from www.digikey.com wired in series works well (these look like LED's but they aren't). They are $1.50 each. PDB-V106-ND appears to be almost identical to the original, but it is

a $7 non-stock item with a minimum order quantity of 8.

This write up is for cars where the HUD photodiode is bad and the

resoldering technique doesn't work.

Step 1: Remove HUD Pod from Dash

This can be done by raising the front of the HUD pod by about 1" then

pulling forward to release the quick clips. The quick clips can be tricky

to remove without losing them in the dash. The security LED and auto

headlight sensor simply twist out of their holder.

Step 2: Remove HUD from Dash

First unplug the blue connector from the left side of the HUD module.

Next remove the two Philips screws on the HUD module on the side closest

to the engine bay. The HUD should come out by pulling up on the side

closest to the steering wheel, it still has two quick clips holding it

down. Be careful not to scratch the dashboard when removing the HUD.

Step 3: Disassemble the HUD Module

Remove the four Torx T-15 Screws from the Top of the HUD Module. Remove

the ribbon Cable from the PCB, and the maroon two wire connector also.

Remove the PCB by pushing up on the two clips.

Step 4: Remove the Photodiode

Make sure the soldering iron is at full temperature. Desolder the joints

on the photodiode by heating them up with the soldering iron until they

melt, and using the vacuum desoldering tool while the joint is liquid.

Place the small flathead screwdriver between the photodiode and the PCB.

Again heat up each joint on the photodiode, and use the screwdriver to pry

the photodiode loose. Pry only a small amount on one joint at a time

until the photodiode comes loose, in order not to damage the PCB.

Step 5: Join the new photodiodes (only if using 2 PDB-C142-ND's in series)

The reason to use two photodiodes in series is that these only output .5v,

and the original photodiode outputs 1.00v, the original part number is

BPW21 from Vishay Semiconductor or Infineon, but I have been unable to

find a supplier for this part. Cut the positive (long) leg on one of the

new photodiodes, and cut the negative (short) leg on the other. Cut both

to about 1/4" long. Bend both cut legs 90 degrees. Solder the two cut

legs together. Cover the solder joint with a small amount of 1/8"

diameter heat shrink tubing. Cut the remaining two legs on the

photodiodes to about 1/4". It is very important to remember which one is

positive (originally long) and which one is negative (originally short.

Bend the remaining legs to match up with the photodiode holes on the PCB.

Step 6: Attach the new photodiodes to the PCB

You will need to remove the coating on the PCB where you will be

soldering, it cam be easily scraped off. Melt a small amount of solder in

the holes where the original photodiode was soldered, on the bottom (no

components) side of the PCB. The hole that is closest to the edge of the

PCB is negative, the innermost hole is positive. Attach the photodiodes

by placing the correct leg of the new photodiodes against the correct

hole on the top side of the PCB, and applying heat to the bottom side of

the PCB to melt the solder. Make sure the joint is good.

Step 7: Modify the top HUD module cover (only if using 2 PDB-C142-ND's in series)

The new photodiodes won't fit through the hole on the top cover for the

HUD module. Simply drill out the hole, I used a 15/32" drill bit.

Step 8: Reassemble everything

Put the PCB back in the HUD module, reconnect the two connectors, and

screw it back together. Put the HUD module back in the dash, reconnect

the connector, and put the two Philips screws back in. Now is a good time

to see if the HUD works properly. Replace the HUD pod, first reattach the

auto headlight sensor and security LED, the HUD pod simply presses into

place.

Enjoy having a working HUD again!

Thanks goes out to the people who discovered the photodiode resoldering technique.

1

Related Questions

User Avatar

Unfortunately there is no fixing an O2 sensor. If the "check engine" light is on due to an O2 sensor, it can only be remedied by replacing the bad sensor.

User Avatar

Does the display just dim or does it go off? There is a light sensor on the front of the system that is used to automatically adjust the brightness of the display to match surrounding/external light levels. For example, if it's placed in a dark room then the display dims and if it's placed in a well lit room the display gets brighter.

User Avatar

There is no "fog light sensor".There is no "fog light sensor".

User Avatar

They are a proximity sensor to disable the touchscreen while you have the phone against your head, and light sensors to automatically adjust the display brightness with respect to the surrounding light conditions (ambient light).

User Avatar

The computer will tell you. If you have a "check engine" light, connect a code scanner to see what the computer has detected. If there is a problem with the oxygen sensor the code scanner will display the appropriate problem code.

User Avatar

You should display an all around white light.

User Avatar

That is a oxgen sensor - fuel -air ratio sensor on Bank 1 sensor 1 This should be overed under warranty 3 yr 36,000 in most states. Calf 50,000

User Avatar

By fixing the problem which is causing the light.

User Avatar

By fixing the fault that has caused the light to come on. Simpels.

User Avatar

What property do minerals that glow under ultraviolet light display

User Avatar

Yes it does. Use the 'light sensor mode'. You can not use the default 'view' program to test the sensor.

User Avatar

What should you do when the enigne light comes on in the nissan altima 1996 and how should i go about fixing what does it need?

User Avatar

emissive display * emissive display are device that convert electrical energy into light. * example of emmisive display are plasma panels , thin file electroluminescent display , light emitting diodes etc.. non - emissive display * non-emissive display use opticat effects to convert sunlight or light from some other source into graphics pattern. *example of non-emissive display is liquid crystal device.

User Avatar

It uses a Bayonet style fixing.

User Avatar

how do you replace ambient light sensor on 2002 silverado

User Avatar

Yes, replace the sensor and have the dash light reset.

User Avatar

The light can not be reset without fixing the cause of the code that turned the light on.

User Avatar

Where is the light sensor is on 2003 C 320, and how to check it. My dash board message says "1 Malfunction" check light sensor. Please help.. Thanks...

User Avatar

Check for the sensor at the bell housing, the top of the transmission, and the tail shaft. Depending on the truck brand the sensor should be at one of these locations.

User Avatar

P1145 indicates the cam sensor on the driver side of the engine is malfunctioning. Instructions for fixing it are here: http://www.jensbits.com/2008/08/30/pathfinder-ses-light-p1145-and-p1140/

User Avatar

By fixing whatever has cause the light to come on.

User Avatar

There isn't a switch to reset the light. You 'reset' the light by fixing the problem which is causing the light.

User Avatar

Yes, a HUD compatible windshield is special designed to reflect light images right about the steering wheel. A standard windshield may reflect the HUD information but when driving into the sun or with bad glare it may become very unclear or completely unable to see.

User Avatar

The process of photosynthesis is conveniently divided into two parts: the energy-fixing reaction (also called the light reaction) and the carbon-fixing reaction (also called the light-independent reaction, or the dark reaction).


Copyright © 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.