Automobile User Manual
E
63
DO
1 7 476
48 82
I
SC
1
II
5
II
44
II
1
17
I
Fig. 01.1
Fig. 01.2
Fig. 01.3
Fig. 01.4
Fig. 01.5
Fig. 02.1
E
45
4
II
XJ Series 1998
Input Output
Serial and Encoded
Communications
Signal Ground (SG) CAN (Network) SCP Network
OK
RG
EM10-28
Y
EM10-26
B+
EM10-12
EM10-27
EM10-13
EM10-25
EM12-12
B
S
N
BP
BY
BY
R
GY
UP
BG
BY
BG
G
UY
UW
BG
UW
BK
B
EM11-8
G
Y
G
O
K
EM13-2
W
EM11-3
P
C
C
C
C
D
D
19.2
19.2
19.2
19.2
EM14-7
B
B
B
O
BG
EM15-1
PN
PU
PS
EM15-2
EM15-3
EM15-11
B
EM14-8
EM14-9
EM13-17
EM13-18
EM13-20
EM13-27
EM13-29
EM12-13
EM12-15
EM12-18
EM12-19
EM12-22
EM11-9
EM11-10
EM11-12
EM11-13
EM11-14
EM10-22
EM10-23
EM10-21
EM10-20
PI26 -1 -2 PI27 -1 -2 -2 -1 EM24EM21 EM23 -2 -1-3 -4 -2-1 -3 -4 -2-1 EM22
PI35 -5 -2 -1
PI17 -1 -2
PI4 -2 -1-3-4
PI15 -1 -2
EM57-1
1
EM10-16
PK
01.1
O
BY
GY
WU
BG
UP
B
O
Y
P
S
BRD
N
BRD
BY
GY
UP
BY
BRD
U
BRD
B
O
BRD
-3
Y
P
BRD
BY
BY
A
EM13-19
Y
EM13-28
P
UY
BG
υ
UY
S
BRD
N
BRD
BRD
PN
WP
EM10-1
WR
EM14-3
WR
EM10-9
NO
75
B+
B+
WY
B
B
N
BRD
R
BRD
PU
WP
G
BRD
PS
WP
G
EM12-14
N
EM12-16
U
EM12-17
EMS38
EM14-2
GY
EM13-14
GR
GY
GY
EM14-1
O
NG
WP
79
UW
EM14-4
BK
B
EM14-10
EM15-12
B
EM15-22
B
U
EM11-11
R
EM11-15
K
EM11-16
EM14-5
R
EM14-6
R
G
EM14-11
G
EM14-12
BG BG
BG
BG
R
G
K
UW
WR
R
BY
BG
U
UW
BG
G
BRD
BRD
PY*
EM13-13
RW*
EM13-12
PW
EM13-11
PY*
RW*
PW
EM58-1
2
WR
EM59
3
EM57-2 EM58-2
EM10-10
US
EM10-15
RS
EM10-14
OU
9
II
I
US
OU
US
WO
05.2
I
I
λ
B
λ
A
λ
B
λ
A
CAS81
EMS36 EMS38 EMS37
BBBK
B+
B+
-1 -2
PI42
-5
PI42
-3
PI42
-1
PI42
-4
PI42
-2
PIS10
EMS9
EMS1
EMS2
EM66-2 EM66-1
CC40-4
EM1-1
EM53-11
CC11-1
EMS20
EM10-17
Y
03.2
EM10-6
O
03.2
EM11-6
GO
03.2
I
D
D
EMS8
PI1-6
PIS1
PI1 -56 -54 -52 -57-31 -25 PI1 -26 -24 -22 PI1 -23 -21 -17 PI1 -18 -19 PI1 -20 -5 PI1
EMS3
PIS9
BRD
PI1 -50 -49 -51 -12 PI1 -3 -4 -1
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
O
I
I
I
I
I
I
I
I
I
I
O
O
O
S
W
S
W
EM10-5
WK
B+
41
II
19.1
19.1
19.1
19.1
PI6 -3 -4 -2-1
B
IATS
υ
D
D
US
–
+
–
+
R
W
R
W
U
W
U
W
U
W
U
W
B
B
B
B
O
O
O
O
I
I
EM11-7
I
EM13-4
O
FP1-1 -2 -3CV1 -2 -1EM39 -1 -2
RG
OK
WP
BG
UW
BG
UW
-14
-1 BT5 -2 -3
EM3-8
EM3-12
EM3-9
RG
UW
BG
FC1-35
FC1-30
FC1-34
RG
UW
BG
BT4-34
BT4-48†
BT4-35
FC1-45
OK
EM2-18
OK
CC40-1
US
CA19-16
LS3-1
US
LSS1
US
EMS21
EM49
3
1
5
2
PI34 -1-4 -3-6
YR
WP
WP
YU
YN
YG
-2 -5
YR
YU
YN
YG
YR
EM12-4
YN
EM12-3
YG
EM12-2
YU
EM12-1
-8 PI1 -9 -10 -7
O
O
O
O
S1 S2 S3 S4
EM16R
EM8L EM16R EM16L
EMS11
B
EM17
B
PI33
-2
PI33
-1
UW
BG
BG
RG
UW
BG
EM12-7
UP
I
PI3 -1 -2
BG
UP
υ
UP
PI1-15
R
G
EMS19
EMS18
PI2-7
PI2-6
63
E
47
E
48
E
58
E
49
E
50
E
45
E
46
E
56
E
52
E
60
E
61
E
55
E
AJ26 4.0 SC NAS Engine Management: Part 1 AJ26 4.0 SC NAS Engine Management: Part 1
Fig. 04.5
ECM AND TCM
COOLING FAN
EGRV
STEPPER MOTOR
EVAPP MAFS CMPS CKPS KS KS ECTS
UPSTREAM
HO2S
CANISTER
CLOSE
VALVE
FUEL TANK
PRESSURE
SENSOR
DOWNSTREAM
O2S
IATS 2
BRAKE SWITCH
PARKING BRAKE
SWITCH
O.K. TO START
SERIAL COMMUNICATION
SERIAL COMMUNICATION
PARK, NEUTRAL
(CIRCUIT CONTINUED)
EMS CONTROL RELAY
(CIRCUIT CONTINUED)
SECURITY
ACKNOWLEDGE
CAN
CAN
CAN
CAN
ECM PROGRAMMING
ENGINE CRANK
ECM PROGRAMMING
THROTTLE MOTOR
POWER RELAY †
* NOTE: RW and PY color codes are reversed
on early production vehicles.
ENGINE CONTROL
MODULE
VACUUM
SWITCHING
VALVES
THROTTLE
MOTOR
PEDAL
POSITION
MECHANICAL
GUARD
PEDAL POSITION AND
MECHANICAL GUARD SENSORS
THROTTLE POSITION
SENSOR
THROTTLE ASSEMBLY
† NOTE: Early production vehicles have connector pin numbers that differ
from the volume production pin numbers shown. Use the wire color code
for pin identification on early production vehicles.
VARIANT: AJ26 4.0 SC NAS Vehicles
VIN RANGE: All
DATE OF ISSUE: SEPTEMBER 1997