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Re: '165 to '730



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----------
> From: John S. Gwynne <jsg@jsgpc.mrcday.com>
> To: gmecm@diy-efi.org
> Subject: Re: '165 to '730 
> Date: Saturday, February 05, 2000 8:49 PM
> 
> 
> 
> |     1) How does the buffered VSS signal from the '165 get converted to
> | the "Hi" and
> |         "Lo" VSS inputs of the '730.  (I'm assuming that the 2000ppm
and
> | 4000ppm
> |         output of the '730 are not needed for my older speedo and
cruise
> | systems)
> 
> leave BB9 & BB10  open. Connect your old A10 to BC6, and change prom
> 0x0018 from 0xd4->0x94... see table below
> 
> 
> |     3) I couldn't find a EGR Diag input on the '730.  Do those cars not
> | check the
> |         EGR temp for proper opperation?
> | 
> 
> They check it through variation in MAP. That wire is not connected to the
730
> see below.
> 
> 
> |     4) I'm assuming that I can jumper the knock sensor directly into
the
> | '730, by
> |         shorting out the disconnected ESC  connector.  Is this correct
> | that the same
> |         knock sensor used in the '165/ESC system can be feed directly
> | into the '730
> |         input?
> | 
> 
> No, they are different types.... need a new one.
> 
> 
> 
> | Anything else to consider?
> 
> 
> disconnect the cold start injector (remove fuse)
> 
> These two PROM changes where needed in my case:
>   0x0018 0xd4->0x94; MAG SPD SENSOR change
>   0x0016 0x14->0x04; no VATS
> 
> 
> Below is the pin-for-pin swap that I used....
> 
> HTH,
> john gwynne
> 
> 
>     730            165
> circuit pin    circuit  pin     Comments
>
============================================================================

> 
> 450     BD7     450     D1     ;split d1 to both inj drivers
> 450     BD6     450     D1     ;
> 
> 468     BC12    468     D16             
> 467     BC11    467     D15             
> 731     BD12    731     D11             
> 412     GE14    412     D7              
> 413     GE15    413     D6              
> 424     BC7     424     D5              
> 423     BC8     423     D4              
> 450     BD1     450     D3
> 452     BB5     452     D2              
> 340     BC16    340     C16             
> 416     BA5     416     C14             
> 417     GF13    417     C13             
> 472     GF16    472     C12             
> 410     GE16    410     C10             
> 446     BD14    446     C8              
> 442     GE4     442     C6              
> 441     GE3     441     C5              
> 443     GE5     443     C4              
> 444     GE6     444     C3              
> 429     GF4     429     C2              
> 335     GE8     335     C1    (n.c.., no fan)
> 434     BD16    434     B10             
> 59      BC9     59      B8              
> 496     GF9     485     REF B7          
> 229     GF10    963     B6              
> 430     BD8     430     B5              
> 453     BD9     453     B3              
> 120     GE13    120     B2              
> 340     BB1     340     B1              
> 450     BA12    450     A12             
> NC      BC6     437     A10 
> 451     GE12    451     A9              
> 461     BA8     461     A8              
> 456     GF1     422     A7              
> 439     BA6     439     A6              
> 419     GE7     419     A5              
> 435     GE9     435     A4              
> 428     GF7     428     A3              
> 436     GF2     436     A2              
> 465     BA11    465     A1              
> 
> wires to add:
> 474     BA4     NC      NC     ;+5v ref map     
> 432     GF15    NC      NC     ;map signal
> 470     BB6     NC      NC     ;+5v map return
> 
> open connections:
> 401     BB9     NC      NC     ;vss (low)       
> 400     BB10    NC      NC     ;vss (hi)
> 1019    BB11    NC      NC     ;vss output (4k p/mi)
> 381     BC1     NC      NC     ;vss output (2k p/mi)
> NC      NC      452     A11    ;MAF signal gnd
> NC      NC      998     B12    ;MAF signal
> NC      NC      935     C15    ;egr thermo switch
> NC      NC      450     D10    ;unused ground
> NC      NC      900     D12    ;burn-off relay
> 
> 
>
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