ScanGauge question

Odog, I think the whole idea of having the scan gauge is to identify what the fault with the vehicle is (through the fault code thrown up). This is so you can work on identifying the actual problem and fix it. The engine management systems of today's modern vehicles are amazing things and can often identify and fix a problem as they occur. When they can't they throw up a code to let you know you have an issue. Anyone who simply looks at the fault code and then deletes it because they can, is asking for serious trouble.

Some fault codes may indicate a transient issue that the engine management system or you can rectify (a bit of water detected in the fuel filter for example). Rough running and a code for "Air leak - Large" would have you looking at your tank and fuel lines for sign of damage. Unless an absolute priority to get the vehicle out of limp mode in the middle of the outback, you shouldn't be clearing unless absolutely sure that the issue is rectified and or you've cleared doing so with a service technician (that's where a sat phone is handy).

Cheers Mick

I bought a SC-2 for my Dmax the main reason was to monitor the Auto Trans temp .

I found online a list of codes and what they were , I have printed and keep it with the manual .

That's the thing, if you have a bit of a list of codes and what they mean, if able to know where to start looking, that's half the problem.. Having top road side assist as mickO said is a must, in my opinion... At least if something minor, you can have a go at sorting it out, if you know what the code means.. Read somewhere, bout a jeep that went into limp mode.. Middle of nowhere, due to blown tail light globe..

Yeah, wouldn't suprise me! Can't see why they don't just have a display on the dash, that just says what is required, or what is wrong.. Be simpler really... Maybe have a little light, like a picture of a tow truck.. For if the s... Hits the fan... Ha.. Ha..

Hi Odog
If it is a serious fault and cleared . Yes it will throw up the fault code straight away again, So clearing a hard fault as we call it is not a problem as it will return. The intermittent fault code is the code that does not return or light up the check engine light straight away but may return some time in the future. This is harder to diagnose without the code as this gives the teck the area to look for to find the fix. If you can, always get the code for the teck before clearing . If it is intermittent fault it is fine to still drive and get it looked at when next available.
Codes only give you the area in the computer system to look for the fault.
They cannot tell you the actual fault, only that the fault is in that system or area, may only be wire fallen off or bad connections or anything associated with that part of the system. There is too many mechanics today just take the easy way out and start replacing parts at the cost to the customer as they are not taught how to test components and wiring correctly .

Gary

Just bought and installed a Scangauge for my 120 about 3 days ago. It is working a treat. I have also found and printed out the error codes for the Prado 120-150.

If you buy I'll send you a copy.