Questions tagged [electronics]
Electrical components that monitor or control the engine and other vehicle systems, or that provide entertainment, information, or network access. Engine Control Units (ECUs), their sensors, radios, navigation systems, and rain sensors are examples of *electronic* components. Compare with *electrical* components which distribute, switch, and consume electricity as a source of power – such as the battery, alternator, fuses, lights, starter, and sparkplugs.
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1995 VM Jetta/Vento - ECU pinout for my car
I own a 95 Vento GL (Jetta for the american market), with an 1.8 8v, 90hp ADD model engine. The ECU for this model is marked with part number 037 906 021A.
I have checked with VAG-COM software and it ...
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VSS accuracy at low speeds
Background
I recently got a P1500 code on my 98 Mazda 626 GF.
I hooked up my computer using ForScan and cleared the code. It didn't come back after three slow test drives around the parking lot.
Here ...
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Is there a rev matching device?
I understand that rev matching is acquired skill by practicing and driving more. I'd like to know if there was a device you could attach to your car that would detect and notify you if engine rev is ...
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Disable the alarm on a 2001 Audi A6
I want to disable the alarm on a 2001 Audi A6 because its goes off arbitrarily, a lot. I want to disable the entire alarm. not just the internal movement sensor, How can I do this?
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Battery gets discharged...sometimes!
This is one of those intermittent issues driving mad any car driver:
What I have:
New battery, new alternator brushes, new current regulator, new belt. Polished brushes tracks. All properly ...
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What could have cause these scratches on my LCD?
I had to remove the anti-glare coating on my LCD (using plastic polisher) because the previous owner probably used ammoniac based cleaner on it. After removing it with Novus plastic polisher, I found ...
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X-Trail replacement remote key unlocking receiver
Has anyone got an idea of how fix a broken receiver for remote key unlocking on a 2007 nissan x-trail? both keys stopped working at exactly the same time - I've tried re-pairing (succesfully activated ...
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Missed a connector in my AC system?
I just changed the heater core in my 1999 Subaru Legacy Outback. I had to take the dash out, and disconnect many connectors. After putting it all back together, my heat now works (yay!), but my AC ...
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Blower resistor 2x3 connector replacement
I had an issue in a Citroën C4 2008 where the blower would work on settings 1-2-3 but not 4 (max). I took out the resistor and found this on the connector that plugs into the resistor:
As can be seen,...
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Which Directed Electronics Module is This?
Isn’t water a wonderful thing? My '76 Corvette had a water leak in the windshield and the rain obliterated a module that was installed under the dash. I bought and installed it around 2012 or 2013. ...
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How to install bluetooth in a 05 Lexus ES330?
I’ve promised my girlfriend that for her birthday I will install a bluetooth system in her car like I have in mine. The day I got my car I simply had the head unit replaced with a new one with ...
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Smart ForFour power steering problem
The power steering of my 2005 Smart ForFour doesn't start immediately when I start the car. I first have to turn the wheel left and right a few times. Then I hear the soft click sound of a relay at ...
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How to calibrate / reset the MFD (touch screen) on 2007 Toyota Prius
I just bought a used 2007 Prius.
Its MFD (touch screen) is miscalibrated such that I need to touch 1 or 2 centimeters above what I actually want to press. For on-screen menu options shown near the ...
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Did I fry my digital clock when soldering it?
I got a new digital clock for my car (1988 Accord) as the old one was broken. It came without that front cover/bezel/plastic chassis so I intended to swap it into the old bezel/plastic chassis from ...
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Picasso intermittently won't lock with fob or manually
I've had my 2014 Picasso for half a year now. Twice in the last week, I've had an issue where the car will not lock. I have checked all of the doors but they are closed. There is no indication of an ...
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Seat Mii: intermittent, now permanent electric power steering fault
One year ago I bought a used Seat Mii. From time to time I had problems with the (electromechanical, not hydraulic) power steering: it would stop working and its red light would come up. Turning off ...
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ECU leaks current
Im the proud owner of an ER-6F from 2009.
I just tested my bike for leaking current and noticed it did. When pulling the fuses I found the ECU to be the culprit. I assume this is not normal. What do i ...
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Safety around permanent trickle/float charger connection for car battery
I rarely use my second car, as a result, the battery often drains too much by the time I need it. I have a slow charge battery pack which works if I want to wait a while to get to the minimum level to ...
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2008 Toyota Prius Door Lock Problem
About a month ago, I noticed that my Prius started to chirp and unlock 5 times in a row whenever I used the proximity sensor on the handles (both driver and passenger side, but not the trunk). Shortly ...
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Loss of Window Control in an Old Car; Fix or Let It Go?
I have a car that is about 20 years old. (2001 Lexus RX300) I recently repaired the exhaust and some other things, and I think that mechanically, this car could last me 5+ more years. What to do about ...
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Volkswagen Polo 2009 bluetooth problem
I have a Volkswagen Polo from 2009 with some electronics I think are upgraded through the time. The display which shows the media radio and stuff also shows
an option for phone, phone messages, and ...
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Climate Control Module Temp Numbers Jump Around
I have a 2003 Hummer H2 and if I wanted to change the temperature in my vehicle, I would do so by turning the knobs on the vehicle's climate control module. One of which is for the driver side while ...
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powered window and back windscreen wiper anomaly
At first i thought it was random, then i realised that there is clearly a pattern:
I start the car then i check and both the wiper and the window
works as expected.
20-30-40 minutes down the road i ...
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Ford Transit - ABS Pump no power
I have a 2.2 FWD Ford Transit from 2009. My ABS/ESP and the red brake warning is on as well. When reading the error codes I normally don't get any ABS related codes.
But when erasing the error codes,...
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Nissan Primera P11-144: electro «control box»?
On my car, Nissan Primera P11-144, there is a couple of electrical malfunctions on secondary systems, namely on climate control and ceiling lighting: CC blows only hot air regardless of set ...
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S550 Mustangs - route wire from fuse panel to center console?
Are there any tip and tricks to routing wire from the passenger footwell fuse panel and into the center console? I'm looking to add an accessory that would require a power cord to pop out right below ...
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Will a magnet mount affect the performance of a radar detector?
I am in the market for a Uniden R3 radar detector but I'm not really enthused by most of the mirror mounts out there. It distracts from my line of sight to have something up on my mirror like that so ...
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Electronics Flicking on and off
so last week I pulled the rocker cover off my Celica 7th gen to get at the broken lift bolts (typical), also cleaned MAF sensor and throttle body while I was at it. After putting everything back ...
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2006 Honda Civic door locks won't work when key is off
We have a 2006 Honda Civic which has recently begun having an issue with the door locks. The power door locks will only work when the key is in the ON (II) position. If it's not in that position, then ...
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2000 Jeep Grand Cherokee Console not working
I am an owner of a 2000 Jeep Grand Cherokee. The roof console (the display attached to the center of the roof that normally displays compass direction and such) does not display anything. No idea what ...
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2005 Kia Amanti electronic systems turn on randomly without key in car
What would make my lights flash, radio come on, doors lock and unlock, seats move at random times day and night when you are not in car and key is not in ignition?
Also my service engine light is ...
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Car stereo wiring for illumination
A friend gave me the Toyota PZ071 stereo head unit. He installed a different set in his car and the original head unit he gave to me. Unfortunately, the installer left the original connector harness ...
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FORD FIESTA 1.4 YEAR MODEL 2013
We vacuumed the car with a lighter-connected car vacuum cleaner- all of a sudden wipers and dash light went grazy- unplugged vacuum cleaner but now although dash lights come on- car wont start
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Feasibility of DYI fix of IPDM in Nissan Juke
I have Nissan Juke. Brake lights are not working. Pedal sensors are fine. Fuses appear fine. A mechanic noticed that the lights went on briefly when he was moving cords going into IPDM module:
...
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Can an aftermarket Android radio cause an airbag to malfunction?
I would like to upgrade my 2007 Lexus RX350 factory radio to the following unit.
But I am learning the passenger airbag indicator won't function the same as the factory unit. From an engineering ...
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No lights or power but starts off kick, has brand new battery still nothing
I have a pioneer xf125 has no power at all but runs off kickstart and the kill switch works other than that no light or anything, could anyone help?
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2012 GOLF TDI WITH RADIO NAV SYSTEM 310 INSTALLED, INTERMITTENT BLUETOOTH CONNECTIVITY ISSUE
Phone Model: Motorola G Power(2021)
So under normal conditions, I can pair my phone to my car with Bluetooth and on YouTube I can change songs using the steering wheel controls, and normally it auto ...
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Kia Sorento push start revs much too high
Worked on cars for years, then fell away from doing anything besides replacing the occasional starter or oil pump, then nothing as my cars got more reliable.
My 2013 Kia Sorento is the newest car I've ...
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2013 Elantra hatchback gauge cluster issues
recently on a rather cold day I started my car in order to commute to work, I then noticed the complete lack of speedometer and the fuel gauge is all over the place. Engine temp gauge and tachometer ...
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How to open the windows without ignition turned on
Car: Skoda Octavia y.99
Situation: I need to be able to open the windows (or atleast one window) on my Skoda without ignition on.
Why: My car is a camper and it's super anoying to turn the ignition on ...
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Tricking TPS signals with a Voltage Source
Good evening,
I am trying to trick the TPS by disconnecting the two APP1 and APP2 signals and connecting them to a voltage generator that generates a voltage that is within the range of both APP1 and ...
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What is this electrical component circled in blue in this engine bay?
I was wondering what this component could be. i couldnt post full size picture since it was over 2mb but full picture also showed a part that looked similar to the part circled in blue. i think that ...
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I found out that a CECM for a double decker bus was faulty.The new unit I tried to fit ended up giving same fault.Does the new unit need programming
The good second hand CECM I later fitted was able to down load and the fault fixed.Do I need to program the new unit.The Chassis Electronic Control Unit(CECM) is for a volvo double decker bus
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is this main relay faulty, what should I do now?
Civic coupe vti 1999 @ 163k miles.
Cars not starting and have just inspected the main relay and can see one of the points seems to have worn to the point you can see blue underneath it. Will this ...
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Renault Logan 2011 unknown electrical issue
I have a Renault Logan 2011 since March 2018 and it has run for about 173,000 km so far.
About a year back it started having this strange problem where during initial start the automatic transmission ...
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How does engine braking mapping work?
Some recent cars and a lot of bikes can change engine mapping and change engine braking electronically. For instance, my bike is not an automatic bike, so it has mechanical gears and I am able to ...
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What type of terminal pins do radio harnesses use?
Brief backstory: I got a car that was a great deal and the radio is the only thing wrong with it. They told me that while they were swapping out the OEM radio it wouldn't accept the new one and then ...
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Alternator whine fix for aftermarket stereo
I bought a Dual MPR420 as a cheap replacement for my 22 year old Toyota Camry that I keep around as a utility car. I used the right Metra harness, spliced using heat shrink butt connectors and ...
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2012 Nissan Murano interior light won't go off
2012 Nissan Murano interior light doesn't go off after door is closed. It does go off after 15 min. as it says in the manual.
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Why there is ticking noise and turn indicator lights blinking in car while driving even if I'm not touching the lever?
I own a Tata motors Indica DLS V2. I've noticed that there is ticking noise (similar to the one produced during turn signal) and turn indicator lights blink while driving, even if I'm not even ...
