1995 854T, 255,000 miles, ECC equipped.
The HVAC fan stopped working. The REC and A/C would flash for 20 seconds as designed to indicate a fault.
Read the codes from B1 under the hood and got a 4-1-8 "No control signal to blower fan power stage"
I looked up the diagnostic procedure but got kind of lost.
Do I need a specific testing tool to continue?
The procedure refers to checking between "test unit pin No. 42 and power stage connector terminal 1A"
Seeing "test unit pin", I'm thinking I don't have the tools.
Maybe someone has some advice...
Thanks
4-1-8 Blower fan not working '95 854T
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alschnertz
- Posts: 701
- Joined: 29 April 2011
- Year and Model: 1995 854T
- Location: Connecticut
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4-1-8 Blower fan not working '95 854T
'60 PV544, '68 220, '70 145S, '86 745T, '95 854T, '01 S40
'84 Prelude
'06 MPV
'13 Ford Focus SE
'84 Prelude
'06 MPV
'13 Ford Focus SE
-
alschnertz
- Posts: 701
- Joined: 29 April 2011
- Year and Model: 1995 854T
- Location: Connecticut
- Has thanked: 2 times
- Been thanked: 12 times
I should have added that I pulled the blower motor and found that it spins freely.
Also put 12V to it and it ran without any weird noises.
Also put 12V to it and it ran without any weird noises.
'60 PV544, '68 220, '70 145S, '86 745T, '95 854T, '01 S40
'84 Prelude
'06 MPV
'13 Ford Focus SE
'84 Prelude
'06 MPV
'13 Ford Focus SE
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