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by dsj1000
21 Aug 2018, 15:36
Forum: Volvo S40 & V40 2000-2004
Topic: 2001 S40 Idle Air Control Valve (no power from wires)
Replies: 10
Views: 5863

Re: 2001 S40 Idle Air Control Valve (no power from wires)

Got it thanks.

Was not the fuse; ICV stuck closed. Freed/cleaned it and is working now. Wonder how long it will continue to work after cleaning?
by dsj1000
21 Aug 2018, 13:37
Forum: Volvo S40 & V40 2000-2004
Topic: 2001 S40 Idle Air Control Valve (no power from wires)
Replies: 10
Views: 5863

Re: 2001 S40 Idle Air Control Valve (no power from wires)

I am trying to understand the operation of idle control valve (ICV): I read in another post that - with the ignition switch in the "ON" position (engine not started) there should be 12 volts at the two terminals in the wiring connector that connects to the ICV, assuming the fuse is not blo...
by dsj1000
21 Aug 2018, 13:30
Forum: Volvo S40 & V40 2000-2004
Topic: 2001 S40 Idle Air Control Valve (no power from wires)
Replies: 10
Views: 5863

Re: 2001 S40 Idle Air Control Valve (no power from wires)

I must have missed something as I do not know where the PTC heater is inside the engine compartment; guess I need a diagram of components so that I can locate this specific part. Also, I understand that maybe the reason for no voltage is a blown fuse, but I am thinking that there may be something el...
by dsj1000
21 Aug 2018, 06:00
Forum: Volvo S40 & V40 2000-2004
Topic: 2001 S40 Idle Air Control Valve (no power from wires)
Replies: 10
Views: 5863

Re: 2001 S40 Idle Air Control Valve (no power from wires)

I too have the same "no voltage going to the idle control valve (ICV)". The ICV tests good at 13 ohms. I am searching for the PTC heater. Where is this item located? Also, which fuse would control this?

Thanks for your help!