Calling BobS...Please help with ECU readings... - Saab 9000 Bulletin Board - Saabnet.com
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Calling BobS...Please help with ECU readings...
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Posted by Norm [Email] (more from Norm) on Wed, 27 Jul 2005 22:58:55 Share Post by Email
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Hi Bob,

You appear to be an expert on the ECU. Unforunately I'm not very experienced with Ohm readings. If you would be so kind to take a look at the readings below:
I used an Equis #4320 digital multimeter. The centre pin on the BPC valve to the battery (-) read 12 volts with the ignition key in the "ON" position. I am considering the left and right pins relative to when the harness is plugged into the BPC valve and I am at the front of the engine bay looking down.

With the key on the "ON" position I read the following:

Ohm Meter setting/Left pin/Right pin
20M/.86/.4
200K/11.4/ '1'
2K/'1'/'1'
200/'1'/'1'
->|> & .))) symbols/1308/'1'

With the key on the "OFF" position I read the following:

Ohm Meter 20M/.08/ neg (.29)
200K/3.3/ '1'
2K/'1'/'1'
200/'1'/'1'
->|> & .))) symbols/1277/'1'

I am not sure if '1' was an actual reading or just the neutral position of the meter when it read nothing.

Can you help me decipher this please.

Norm

1997 Aero 5-speed
1989 900TC 5-speed
1987 900TC 5-speed(converted)

posted by 207.6.246...

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