16176424 PCM - is the same as?

[Peter Gargano]

Carl Summers wrote:
> 
> Hi Peter,
>       I have not seen anything with light blue connectors on it....what kind
> of app is it????speed density???MAF??? 4,6,8, cyl?????? ttyl

The 16176424 is used in MAP based V6 and V8 apps. It appears
to have the same pinouts as the 1227165 (including 8192
baud ALDL) but is used with a MAP based MEMCAL. The only
difference to the '165 is that is can drive two banks of
injectors independantly (on D15 and D16 pins - the '808 had
D15 and D16 wired together in the harness - then to injectors).

As noted previously, it has light blue connectors that would
mate with a 1227165/808 except that the two plugs have "keys"
(that can be ground off). The unit came from a VR Holden with
a BKCZ memcal.

I'm still trying to find what North American unit this is the 
equivalant of. The unit is actually MADE in Singapore.

There's a picture of the PCB at:

  ftp://efi332.eng.ohio-state.edu/incoming/16176424.jpg

Here's the semiconductor list annotated with known information
(mostly from Ludis's site: http://www.cruzers.com/~ludis/):

ECU Assembly 16176424  - PCB 168C509 (4 layer)
-----------------------------------------------

Part   Number   use      pack   More information

Integrated Circuits

U1      34992   Power    15pTO  Power supply
U2      45980            15pTO  Delco 169J 9445B [same as U6]
U3  1618 0566            5pTO   Motorola
U4  1613 2083            28qfp  Allegro 9451 I451036A 736 (?)
U5      34987   o2 amp   20qfp  014 S49AL
U6      45980            15pTO  Delco 169J 9445B [same as U2]
U7      64606   SXR      28qfp  8192 UART transciever
U8      34993   IAC Drv  9pTO   IAC driver
U9      27474            28qfp
U10 1604 5153            16sop  CD4051 mux - Philips 943910Q Hnn9433 4 (?)
U11     89551            14sop  Natsemi 014 M49DG (?) [same as U14]
U12                             not found on PCB
U13 1608 4523            20sop  274 N 9447
U14     89551            14sop  Natsemi 014 M49DG (?) [same as U11]
U15 1620 2476   CPU      68qfp  Motorola E87J KQQNW95O3D (MC68HC11F1 ?)
U16     54995   CalMap   28qfp  Delco
U17     04891            28qfp  [unknown logo] 5036N655 466
U18 1612 6532            52qfp  Delco
U19     56597            52qfp  Delco
U20 1612 7472            14sop  Philips 954050Q Hnn9441 2 (?)

FETs

Q3       9707            3pTO   Int Rect 9503 7D 5E
Q7       6403            3pTO   Int Rect 9504 7L 5Z
Q10         ?            3pTO
Q11         ?            3pTO

-- 
Peter Gargano