MODEL ALL MODELS
DIAGNOSTIC CONNECTORS
3A VXII,WHII&VUII
2D12P03AC
ECOTEC V6 GEN III
POWER TRAIN CONTROL MODULE POWER TRAIN CONTROL MODULE
CONNECTOR P.C.M CONNECTOR 1 YB198. CONNECTOR P.C.M CONNECTOR 1 YE122
NOTE: CONVENTIONAL CURRENT FLOW IS ASSUMED IE.
FLOWING FROM BATTERY +VE TO BATTERY -VE
SUPER CHARGED V6
POWER TRAIN CONTROL MODULE
CONNECTORS P.C.M CONNECTOR 2 YB188
P.C.M CONNECTOR 3 YB194.
G/W
G/W
P. C . M
TO
P.I.M
INNTERFACE
(17)
REFER
TO SHT. 4,5B,C,D,F,H,I,J,
6,7B,10,15,16,17,21,22.
GEN III ENGINE ONLY
YB198
YB194
6
F13
D9
F14
O/B
11
YB198
YB188
SDI
(44)
YB87
P/BLU
YE110
J1-58
BLU/B
BLU/B
G/W
G/W
IGNITION
SWITCH
(740)
V6 & S/C V6
ENGINE ONLY
YE111
GEN III ENGINE ONLY
CLASS 2
SERIAL DATA
ELECTRONIC
CLIMATE
CONTROL
MODULE
(E.C.C)
P
(1049)
DIAG
ENABLE
YB66
W/B
7
(3)
R/B
(1220)
(1220)
(1220)
(1220)
C13
A3
YE114
LOC. E3
YE114
LOC. E3
R/B
B
B/Y
(863)
(863)
12
POWER TRAIN
CONTROL MODULE
GEN III
SERIAL
DATA
YB44
YB215
W/B
(1221)
R/B
(451)
R
Y
SERIAL
DATA
POWERTRAIN
INTERFACE MODULE
GEN III
YE122
CHECK
ENGINE
LAMP
SDI
YB66
INSTRUMENTS 19
YB191
YE112
(2H)
(1221)
(150)
(155)
6
W/G
W/G
F29
REFER
TO SHT. ALL.
2
2
YB175
YB164
SDI
YB175
YB164
9
3
YB175
YB164
BODY
CONTROL
MODULE
3
13
2
SDI
YB164
313
YB164
BODY
(VUII)
CONTROL
MODULE
(1220)
(1220)
(451)
YE98
12
A.B.S. &
T.C.S.
MODULE
DIAG.
ENABLE
11
SERIAL
DATA
POWERTRAIN
CONTROL MODULE
ECOTEC V6
YB44
YB190
YB189
9
9
S.R.S CONTROL
MODULE
SERIAL
DATA
YB190
YB191
9
S.R.S CONTROL
MODULE
SERIAL
DATA
SERIAL
DATA
DIAG.
ENABLE
FS
FJ
LOC. E1
BATTERY
+-
15a 15 50
30
OFF/ON
LOCK
ACC
IGN
START
(VXII & WHII)
(VUII )
CHECK
ENGINE
LAMP
SDI
YB66
INSTRUMENTS 19
12
YE98
12
A.B.S.
MODULE
DIAG.
ENABLE
11
SERIAL
DATA
(VUII )
(VUII )
(VXII & WHII)
(VXII & WHII)
(VXII & WHII)
(VXII & WHII)
2
12 16
54
96
1
YB128
WIRING DIAGRAMS
HARNESS SYMBOLS: (M.W.H.) (P.T.) (B.)
VIEW
B
YB164
B.C.M.
CONNECTOR (3)
EXECUTIVE SHOWN
VIEW
C
YB175
B.C.M.
CONNECTOR (3)
EFG D
YB66
INSTRUMENT
CONNECTOR
YB87
E.C.C.
CONNECTOR
VIEW
A
BERLINA & CALAIS
SHOWN
B
C
YB190
S.R.S MODULE
CONNECTOR
YE111
ENGINE
CONNECTOR (2)
YE110
ENGINE
CONNECTOR (1)
YE112
ENGINE
CONNECTOR (3)
FJ
FS
FUSE 29
YE122
P.C.M.
CONNECTOR (1)
“GEN III”
YB191
AIR BAG
INTERFACE
CONNECTOR
YB189
AIR BAG
INTERFACE
(WITH SIDE
AIR BAG)
YE98
A.B.S. & T.C.S.
MODULATOR
& CONTROL
MODULE
CONNECTOR
YE114
LOCATION
E3 EARTH
CONNECTOR
A
03A-G
“V6”
VIEW
YB198
P.C.M.
CONNECTOR (1)
E
YB194
P.C.M.
CONNECTOR (3)
“V6 S/C”
YB188
P.C.M.
CONNECTOR (2)
VIEW F
YB215
POWERTRAIN
INTERFACE
MODULE
CONNECTOR
“GEN III”
VIEW G
RELAY & FUSE PANEL
YB128
DATALINK
CONNECTOR
BERLINA, CALAIS,
STATESMAN & CAPRICE
SHOWN
BERLINA, CALAIS,
STATESMAN & CAPRICE
SHOWN
VIEW
D
YB44
IGNITION
SWITCH
CONNECTOR
FUSE 13
RELAY & FUSE PANEL