BMW 1989-1995 525i Service Manual page 161

IGN ITION SVSTEM-DME
120-9
WIRING
COLOR CODE
81(
BUICK
BR BROWN
RD RED
YL YELLOW
GN GREEN
8L 8WE
VI VIOLET
GY GREY
W1 WHITE
PK PINK
Banery voltag e
in run or start
( via main relay
lerminal B7)
1.0 BK
Ign. coli
3 cyt 5
, ~, ~,~, ~
II
•
, o e1
1.0 BK t .OBK
'on
COIl
3 cyt ,
II
•
1.0 GN
Ban ery voltage
in run or start
( via ignition switch
terminal 15)
4.0 GN
I
~-------tl
I OBA l
1.0 SK 1.0BK 1.0 BK
Ion. Cod
Uuii'
~
:'"
r/thl
I
~2
3 cyt
2'W 2
i- i-
II
•
' ,OGN
S G N
Warning:
lethal volta ge
present
Ban ery voltage
in run or start
( via ignition switch
terminal 15)
..L
-----
-- - - -
- - - - - - -- -- - - - - - -
- - - - -- - - - - -
-
- - - -
-
---- -
- ----- ----- -
- - -
-
-- -
- - - -
- -
- -
- -
SBA
10
Main relay
(terminal
B5)
l ORD
Banery voltage
at
all times
•
, J
BK
.35 YE
-
-
--
~,
2
I
~l
-,
- -
--
--
~
--
BK
sc.
N
Cranksha ltlrpm
Positi on Sensor
35
I
-.
35 BK
I
-.
-
Knock Sensor Kn ock Sensor
l cy l. 1·3) I cyl. 4·6)
r--- -- - -- --- --- -- - -------- - - - - --- ------- -- -- - - -- -------- -- - --
I
56 50 5' 52
2J
2S 2' 54
I
power w,JUt Power
-wi
: OME Control Mod ule (OME 3.3.1) :
1
®
~
p - onpuI ......
n
' o laf
can"'"
I
70 69 11 43 16
' 3 04
55 6
1
26 2
I
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - _
~l3- 5aK
r
( : .
:~/l
10- - .
,
~ J
-J
-,
..L
Ground
(RH rear of engine
compartment)
11506
Fig . 12. DME ignition system circuit for 1993 and later 525i models (DME 3 .3.1).
IGNmON SYSTEM CIRCUIT SCHEMATICS