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VARIANT:
VIN RANGE:
DATE OF ISSUE:
F00103
➞
October 1999
16
50 85
749
548
49 62
II II
EE
14
II II
Fig. 01.1
Fig. 01.2
Fig. 01.3
Fig. 01.4
Fig. 01.5
I
O
S
D
C
1
19
I
Fig. 02.1
XJ Series 2000
Input
Output
Signal Ground (SG)
Serial and Encoded Communications
CAN (Network)
SCP Network
BW
EM82-04
BW
BG
BR
UY
Y
G
R
G
RG
R
K
YG
UY
B
BW
EM85-01
UY
RU
EM85-02
WG
EM85-08
EM84-15
EM83-12
EM83-13
EM83-26
EM83-27
EM83-18
EM82-05
EM82-10
EM82-14
EM81-09
EM81-18
EM81-16
EM81-19
EM80-15
PI26 -1 -2 PI27 -1 -2 EM21 EM23-3 -4 -2-1 -3 -4 -2-1
PI35 -2 -3 -1PI17 -2 -1 PI4 -2 -1 -4-5
TPS/1
PI15 -2 -1
BW
GW
WU
BG
O
B
O
Y
P
Y
BRD
N
BRD
BW
GW
BG
O
BW
BRD
B
O
BRD
Y
P
BRD
BW
BW
EM83-21
U
EM83-28
GW
UY
BG
υ
UY
S
BRD
N
BRD
BRD
N
EM83-09
R
BRD
RU
WG
G
BRD
UY
WG
BG
EM82-07
O
EM82-17
W
EM82-11
EM83-06
BG
U
EM81-10
BG
EM81-24
EM84-07
U
PPS/1
K
OY
R
BG
U
OY
BG
G
BRD
BRD
N
EM83-22
OY
EM83-05
G
EM83-19
BA
PI42
-4
PI33
-2
PI42
-2
PI42
-1
PI42
-3
PI33
-1
PIS10
PI1 -54 -56 -52 -57-31
-25 PI1 -26 -24-22 PI1 -23 -21 -17 PI1 -18 -19 PI1 -20 -5 PI1
PIS9
BRD
PI1 -50 -49 -51 PI1 -3 -4 -1
PI6 -3-4 -2 -1
IATS
υ
-14
FP1 -3-2CV1 -2 -1
WU
OY
BG
-1
OY
PI16 -1 -2
G
N
BRD
G
N
BRD
-1 PI2 -3 -2
AB
PI38 -1 -2
YG
BG
υ
YG
-9 PI2
EM22 EM24-4 -3 -2-1 -4 -3 -2-1
U
BRD
U
WG
N
BRD
UY
WG
λ
B
λ
A
AB
WG
B
NG
WU
EM16L
B
EMS37
GU
EM80-02
UY
EM80-01
R
EM80-07
R
EM80-06
G
EM80-05
G
EM80-04
R
G
EM82-01
OY
Y
W
EM39 -1-2
UY
WU
O
EM83-17
EM83-07
P
EM83-08
Y
EM83-14
S
EM83-23
N
EMS3
PPS/2
EMS9
EMS18
EMS19
EMS46
EMS8
EMS1
PIS1
RG
OY
BG
RG
BT5 -3-2-1
BT4 -35-48-34
GU GU
CV2-3FC1-45EM2-18
GU
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
TPS/2
PI1-6
BG
PI2-7 PI2-6
UU
E
55
E
53
E
56
O
EM80-28
I
O
EM81-23
I
E
49
E
50
EMS2
YU
EM85-03
O
YG
EM85-04
O
YR
EM85-09
O
YR
EM85-10
O
S1
S2
S3
S4
P134-4PI1-8
PI1-9
PI1-10
PI1-7
PI34-1
PI34-6
PI34-3
YU
YG
YR
YR
WU
WU
PI34-2
PI34-5
PI3 -2 -1
υ
EM3-8
EM3-12
BG
RG
R
G
BG
82
E
61
EM10 -3-2-1
OY
OY
BG
RG
EM3-9
FC1 -34-30-35
OY
BG
BW
O
BG
O
-15 PI1
OY
BG
OY
BK
EM83-25
Y
EM83-16
B+
EM80-18
EM83-24
EM80-17
EM83-15
G
Y
G
O
W
EM80-19
W
EM80-27
U
C
C
C
C
D
D
21.3
21.3
21.3
21.3
CAN
CAN
CAN
CAN
EM81-03
U
01.1
O
EM81-17
WR
EM82-13
WR
EM83-20
NR
77
B+
B+
WU
EM80-09
GW
EM82-06
GR
GW
GW
EM80-08
O
NG
WU
81
EM82-08
OG
EM81-12
RU
EM81-22
OY
11
II
I
OG
OY
OG
WU
05.2
I
I
CAS81
EMS36
EM8L
EMS38 EMS37
BBBK
EM16R EM16L
B+
B+
EM66-2 EM66-1
CC40-4
CC40-1
LF3-1
EM53-11
CC11-1
CA19-16
EMS20
EM82-16
Y
03.2
EM82-15
W
03.2
EM82-02
GO
03.2
I
D
D
EM82-09
W
B+
45
II
21.2
21.2
21.2
21.2
D
D
OG
–
+
–
+
EM80-29
BK
EM81-21
B
EM80-03
B
EM80-21
B
EM80-31
B
EM85-07
B
EM81-08
B
EM84-01
B
EM84-16
B
EM84-22
B
EM85-06
EM85-05
O
6
II
EM82-12
GU
I
I
I
I
I
I
I
I
I
I
I
I
E
62
E
51
E
52
OGOGOG
LFS1 EMS21
EM1-1
EM49
3
1
5
2
E
58
EM75
31
52
AJ27 4.0 SC NAS Engine Management: Part 1
AJ27 4.0 SC NAS Engine Management: Part 1 Fig. 04.4
ECM AND TCM
COOLING FAN
EVAPP CKPS CMPS CMPS KS KS EOTS ECTS IATS 2 MAFS
UPSTREAM HO2S DOWNSTREAM HO2S
O2S HEATERS
RELAY
BRAKE SWITCH
NOTE: EMS21: Adaptive Damping
vehicles only.
PARKING BRAKE
SWITCH
APPLIED ONLY WHEN THE
INERTIA SWITCH IS ACTIVATED
EMS CONTROL RELAY
(CIRCUIT CONTINUED)
ENGINE CRANK
O.K. TO START
SECURITY
ACKNOWLEDGE
PARK, NEUTRAL
(CIRCUIT CONTINUED)
SERIAL COMMUNICATION
SERIAL COMMUNICATION
ECM PROGRAMMING
ECM PROGRAMMING
THROTTLE MOTOR
POWER RELAY
ENGINE CONTROL
MODULE
(CONTINUED Fig. 04.6)
STEPPER
MOTOR
EGR VALVE CCV FTPS MAPS
THROTTLE
MOTOR
THROTTLE ASSEMBLY
AJ27 4.0 SC NAS Vehicles