Volvo RWD 700 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 7/2010 700 INDEX

[<<]  [>>]


THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD




  REPLY TO THIS MESSAGE    PRINT   SAVE 

Injector mv rdg._ homemade breakout box 700 1991

posted by  someone claiming to be Ian on  Mon Jan 27 06:40 CST 2003 [RELATED]

1. I was checking the running mv across 1 injector on my 91- 740 wgn. (B230FT, Bosch MFI) it was 50-60mv, my Volvo manual says it should be 200-400mv. Will this be a future problem? Car runs great.

2. Has anyone made a breakout box for testing pin out signals from ECU's for MFI & DI modules? If so what did you use. They're avail aftermarket only for $500-900, ouch.

Cheers








  REPLY TO THIS MESSAGE    PRINT   SAVE 

Injector mv rdg._ homemade breakout box 700 1991

posted by  the kick inside on  Mon Jan 27 08:54 CST 2003
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Thu May 17 09:58 CST 2007
[RELATED]

whats the cannector... can u buy it commercially...alternately hat you want is shot unit and the cut off end from a harness....








  REPLY TO THIS MESSAGE Replies to this message will be emailed.    PRINT   SAVE 

Injector mv rdg._ homemade breakout box 700 1991

posted by  Token Ring Man on  Mon Jan 27 08:02 CST 2003
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS] [RELATED]

Use an ocilloscope instead. You can see the signal, its voltage and duty cycle.
--
Warren Bain - '86 744Ti M46 >290Kmi, '99 V70Glt > 45K mi, '96 965 >100Kmi Wifemobile near Manassas Va.. Check the 700/900 FAQ via the 'features' pull down menu.








  REPLY TO THIS MESSAGE    PRINT   SAVE 

Injector mv rdg._ homemade breakout box 700 1991

posted by  someone claiming to be steve on  Mon Jan 27 06:56 CST 2003 [RELATED]

If you are careful, you can access the back of the connector for direct read using a DVOM. The break out boxes merely make it a little simpler, using a connector and conductive pads compared to touching the back of each connector while it is wired up. Just don't short out any.







<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.