Standard 33 Afm Has No Voltage

[and3_3]

Hi,

I decided to pull my pod off and clean it a little then thought i should take my AFM and clean that a little too. I unplugged the cable on the side to remove the meter and put it all back together, then my car wouldnt start! It ignites and for a about a second it runs then just dies. My sensor sw/check on the power fc says the AFM has no voltage, sometimes it increases by .01 v but nothing more.

So I pulled it apart checked it all and put it back together, no difference.

Again, put the plug upside down and no difference.

I really hope i haven't fried my AFM!

Woops double post sorry!

[Adriano]

I would check that there is power at the plug, and the wires havn't came out of the back of the plug.

[GeeTR]

Seeing as the signal loss from the AFM occurred when you ... removed the plug, I'd assume the loom is damaged around the plug area. Search for pin designations, and test for good ground, power etc.

Get someone to wiggle the plug while you check the hand controller, go from there.

What did you clean the AFM hot wire with?

EDIT: F5 before clicking submit, when will i learn.

Edited July 21, 2008 by GeeTR

[and3_3]

I didn't actually clean the entire AFM, I brushed the intake side off. The plug is a weird looking one, it sorta sits and you screw it in and there are 3 pins the come from the cable to the AFM.

[and3_3]

Ok played around with a friend and determined that the ecu is still receiving voltage from touching it with fingers (human electricity????).

Fiddled some more and fitted the plug in the AFM and received some voltage! Only .25 volts though and this wasn't enough to get the engine running.

I reckon the pins on the plug have bent or the AFM receiver isn't conducting well.

[and3_3]

Sorry bad phone camera

[Adriano]

Oh dear, thats not how to unplug the AFM. In the second photo, you have the plug IN your hand. You will need to take the cover off the AFM and resolder the connections.

[GeeTR]

I'm trying real hard to not laugh

At least this comment makes sense now

The plug is a weird looking one, it sorta sits and you screw it in and there are 3 pins the come from the cable to the AFM.

Get the soldering iron out.

[Lazy-Bastard]

lol

I vote funniest thread of 08 so far

[and3_3]

lol Whoops

So do I resolder the pins to anywhere in the plug?

[Lazy-Bastard]

You need to resolder the 3 pins back onto the connections coming off the PCB (third pic)

You will need to take the "top" off the AFM to do it

[and3_3]

Does the AFM come apart?

[and3_3]

Since this unit needs to be pulled apart and re soldered maybe this is a good opportunity to buy a Z32 AFM?

Is a retune required after installation?

[Lazy-Bastard]

No retune required, you can select which AFM you are using with the PFC hand controller

funnily enough I have a Z32 for sale

[R31Nismoid]

lol i agree Lazy-Bastard

Z32 would require a remap, tune etc, so if you want the cheap way... its fix the AFM you have.

Otherwise you've gotta go the whole hog

[GeeTR]

Does the AFM come apart?

Searchy McSearch 'n'search found this pretty quick

PHATR32's - Fixing Your Rb26 Afm's, and maybe other afms too

[and3_3]

Awesome, i've got mates coming over with a soldering iron. Should have it back up and running soon!

Thank you everyone on SAU!!