diagnostic

Hi All, I did a bit of searching but couldn’t find info on diagnosing my heater problem, or potential fixes without replacement. I have a ‘78 FJ40. I don’t want to buy a new one ideally. No heat, but fan works fine. Rear heater works great. Is there a way to rehab or fix a heating element? I...

Hi Mudders, besides that cluster world of techstream, is there any other hardware/software/gizmo available for us to reads srs codes?

There is a diagnostic port under the hood, but I can't figure out how to use it. My ODB scanner has a different connection. Is there a special tool I'd need to get, or is there an adaptor I can use? Thanking anyone in advance for any help they can offer!

My FJ62 is throwing codes 25, 26. CEL comes on after warmup and driving after 5-10 miles. Other than the pesky CEL light, engine seems fine. I hooked a digital volt meter to Ox1 & ground, and also Ox2 and ground, and got a steady voltage swing from about 0.1 volts, to .9 volts around 1 cycle...

Hello fellow cruiser owners, I have a dumb question. Looked around and have found conflicting answers on what shorting the TE1 and E1 terminals on the 3FE diagnostic plug actually does in terms of ignition timing/ECU. When setting ignition timing, does shorting the terminals just stop the ECU...

Hi all, My 05 LX470 started acting up this morning. There was some rain the previous day. But the truck looked fine. Now a new situation occurred. When I turn the ignition ON, multifunction display shows Diagnostic mode and stuck there. Along with this 3 dash lights are flashing. ABS,cruise...

Hi all, I want to start doing some basic diagnostics on my LC 100 by myself. I have found that there is hardly anyone to help me here whenever I need some basic diagnostics. I was thinking of a very basic one for starters, where I can use my laptop (Linux or Windows, but preferably Linux)...

I am working on an issue with my infotainment screen and was instructed to go into diagnostic mode to see what the problem is. How do I get into diagnostic mode on one of these? The issue I am having is that I can't get past the screen where you select the language. Hopefully I don't have to...