Jaguar XJ 1998 - JagRepair.com

XJ Series 1998
AJ26 3.2 Engine Management: Part 1 AJ26 3.2 Engine Management: Part 1 Fig. 04.3
63
E
WY
B
EMS38
EM66-2
ECM AND TCM
COOLING FAN
B
EM66-1
NOT USED
EVAPP MAFS CMPS CKPS KS KS ECTS
IATS
A B
υ
υ
A
λ
HO2S
B
λ
HO2S
EM16R
PI31 -1 -2 PI32 -1 -2 EM39 -1 -2
PI35 -5 -2 -1
-4
-3
S
W
S
W
R
W
R
W
PI4 -2 -1
U
W
B
B
U
W
B
B
NOT USED
FC1-45
9
II
US
79
58
E
CA19-16
CAS81
NG
WP
WO
US
US
CC40-4
CC40-1
LS3-1
3
1
BRAKE SWITCH
US
LSS1
US
47
WR
B+
E
EM10-1
41
WK B+
II
EM10-5
75
NO
B+
EM10-9
48
WR
B+
E
EM14-3
CC11-1
PARKING BRAKE
SWITCH
O.K. TO START
SERIAL COMMUNICATION
SERIAL COMMUNICATION
PARK, NEUTRAL
(CIRCUIT CONTINUED)
EMS CONTROL RELAY
(CIRCUIT CONTINUED)
SECURITY
ACKNOWLEDGE
EM49
5
2
CAN
CAN
CAN
CAN
ECM PROGRAMMING
ENGINE CRANK
ECM PROGRAMMING
THROTTLE MOTOR
POWER RELAY †
O
03.1
D
EM10-6
K
19.2
D
EM10-12
O
19.2
D
EM10-13
RU
05.1
I
EM10-15
PK
01.1 O
EM10-16
Y
03.1
D
EM10-17
G
19.1
C –
EM10-25
Y
19.1
C +
EM10-26
G
19.1
C –
EM10-27
Y
19.1
C +
EM10-28
19.2
GY
EM1-1
* NOTE: RW and PY color codes are reversed
on early production vehicles.
OU
US
EM53-11
EMS20
EMS21 EM10-10
OU
W
GY
GY
GR
US
EM10-14
P
19.2
D
EM11-3
GO
03.1 I
EM11-6
EM13-2
EM14-1
EM14-2
EM13-14
I
I
D
B+
B+
O
O
O
I
I
NOT USED
O
I
I
I
O
I
I
I
I
I
I
I
NOT
USED
O
O
NOT
USED
O
O
O
I
I
I
I
I
I
I
O
O
I
I
I
I
O
O
O
O
O
O
O
I
I
I
EM10-20
EM10-21
EM10-22
EM10-23
EM11-7
EM11-8
EM11-9
EM11-10
EM11-11
EM11-12
EM11-13
EM11-14
EM11-15
EM11-16
EM12-12
EM12-13
EM12-14
EM12-15
EM12-16
EM12-17
EM12-18
EM12-19
EM12-22
EM13-4
EM13-11
EM13-12
EM13-13
EM13-17
EM13-18
EM13-19
EM13-20
EM13-27
EM13-28
EM13-29
EM14-4
EM14-5
EM14-6
EM14-7
EM14-8
EM14-9
EM14-10
EM14-11
EM14-12
EM15-1
EM15-2
EM15-3
EM15-8
EM15-9
EM15-11
EM15-12
EM15-22
ENGINE CONTROL
MODULE
BG
UW
B
BK
RG
UW
UY
G
U
BG
BY
BG
R
K
UP
GY
G
R
BY
BY
BP
OK
PW
RW*
PY*
N
S
Y
B
BG
P
O
BK
R
R
B
B
B
B
G
G
PS
PU
PN
RG
RY
B
B
B
RY
PI1-16
WU
EMS1
RG
WU
EMS2
WP
PN
BG
BG
BY
BY
BY
BY
GY
WU
PI1-27
PIS10
53 54 56
52
E E E
EMS19
UW
BY
GY
BK
EMS36
B
EMS38
B
EMS37
EM8L EM16R EM16L
BG
UP
PI1 -56 -54 -52 -31 -57
EMS18
R
G
BG
UP
PI15 -1 -2 PI17 -1 -3 -2
UW
B
BRD
B
BRD
O
O
Y
Y
BRD
BRD
P
P
1
EM57-1
PI26 -1 -2 PI27 -1 -2 EM21 -3 -4 -1 -2 EM23 -3 -4 -1 -2
S
BRD
S
BRD
N
BRD
N
BRD
UY
BG
E
60
61
E E
PI1 -25 -26 -24 PI1 -22 -23 -21 PI1 -17 -18 PI1 -19 -20 PI1 -5
BG
PI1-6 BG
PIS1
EM3-8 RG
EM3-12 UW
EM3-9
EM2-18
OK
PI2-7
PI2-6
PW
RW*
PY*
EMS9
WR
EM57-2
49
E
WR
EM58-2
2
EM58-1
50
E
3
UY
VACUUM
SWITCHING
VALVES
EM59 -1 -2
B
B
R
G
EMS11
EM17
R
BG
BG
BRD
PU
EMS8
PI33
-2
PI33
-1
WP
THROTTLE
MOTOR
G
K
BRD
BRD
PS
R
WP
BY
UW
OK
PIS9
BG
PI42 PI42 PI42 PI42 PI42
-5 -3 -1 -4 -2
FC1-35
FC1-30
FC1-34
BRD
BG
RG
UW
U
BRD
EMS3
PI1 -50 -49 -51 -12 -14
PI1 -3 -4 -1
PEDAL
POSITION
UW
MECHANICAL
GUARD
PEDAL POSITION AND
MECHANICAL GUARD SENSORS
UW
BG
BT4-34
BT4-48†
BT4-35
G
PI6 -3 -4 -1 -2
THROTTLE POSITION
SENSOR
THROTTLE ASSEMBLY
NOT
USED
† 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.
1 6
7 47
Fig. 01.1
48 82
1
II
4
II
Fig. 01.2
Fig. 01.3
5
II
45
E
44
II
63
E
Fig. 01.4
Fig. 01.5
1 17
I
Fig. 02.1
I
Input
O
Output
C
S
Signal Ground (SG) CAN (Network) SCP Network
D
Serial and Encoded
Communications
VARIANT: AJ26 3.2 Vehicles
VIN RANGE: All
DATE OF ISSUE: SEPTEMBER 1997