OK electrical guru's what the heck should I do now? (CIS air idle control valve meas) - PeachParts Mercedes-Benz Forum

Stretch · #1 11-15-2015, 03:09 AM

Quote:

Originally Posted by Graham

Stretch - In the picture below, you don't have a lead connected to the COM port. You always have the black lead in the COM port and then you move from the main + port to the 10A port when you want to measure above 400mA.

From the manual:

Quote:

Originally Posted by TnBob

Good eye Graham !
Soo true... com (common) is com regardless of whats being measured.

Sorry to disappoint chaps - that picture was used as an example of the crappier types of multimeter I have kicking about the place. The picture shows me measuring something else that isn't related to this problem.

Graham · #2 11-15-2015, 10:06 AM

Quote:

Originally Posted by Stretch

Sorry to disappoint chaps - that picture was used as an example of the crappier types of multimeter I have kicking about the place. The picture shows me measuring something else that isn't related to this problem.

I had noticed that that was your other meter. But regardless of what you were measuring, the COM should have been connected.

Anyway, good luck with your trouble shooting!

Stretch · #3 11-15-2015, 01:06 PM

Quote:

Originally Posted by Graham

I had noticed that that was your other meter. But regardless of what you were measuring, the COM should have been connected.

Anyway, good luck with your trouble shooting!

I think this is a weird one because you need to use the two outer plugs for a continuity check - but anyway...

...I have ordered a clamp multimeter that measures DC current - I'll see how I get on with that.