Jaguar XJ 1998 - JagRepair.com
Jaguar XJ 1998 - JagRepair.com
Jaguar XJ 1998 - JagRepair.com
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<strong>XJ</strong> Series <strong>1998</strong><br />
AJ26 4.0 SC Engine Management: Part 2 AJ26 4.0 SC Engine Management: Part 2 Fig. 04.7<br />
TRUNK FUSE BOX<br />
1<br />
29<br />
II<br />
1<br />
29<br />
II<br />
3<br />
1<br />
3<br />
1<br />
O<br />
I<br />
I<br />
I<br />
I<br />
I<br />
I<br />
I<br />
I<br />
I<br />
I<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
O<br />
EM10-2<br />
EM10-3<br />
EM10-4<br />
EM10-11<br />
EM11-1<br />
EM11-4<br />
EM11-5<br />
EM12-5<br />
EM12-6<br />
EM12-8<br />
EM12-9<br />
EM12-10<br />
EM13-1<br />
EM13-3<br />
EM13-9<br />
EM13-15<br />
EM13-16<br />
EM13-22<br />
EM13-23<br />
EM13-24<br />
EM13-25<br />
EM13-26<br />
EM13-31<br />
EM13-32<br />
EM13-33<br />
EM13-34<br />
EM15-4<br />
EM15-5<br />
EM15-6<br />
EM15-7<br />
EM15-15<br />
EM15-16<br />
EM15-17<br />
EM15-18<br />
#15 20A<br />
2<br />
FUEL PUMP RELAY (#1) †<br />
5<br />
#7 20A<br />
2<br />
FUEL PUMP RELAY (#4) †<br />
NOTE: ECM power supplies,<br />
grounds and references shown<br />
on Fig. 04.5 and Fig. 04.6.<br />
EM13-10<br />
5<br />
UG<br />
ULG<br />
UN<br />
PG<br />
SR<br />
WU<br />
SG<br />
WU<br />
RW<br />
SLG<br />
SG<br />
RY<br />
KN<br />
SP<br />
KB<br />
RY<br />
W<br />
WU<br />
UB<br />
LGK<br />
LGO<br />
LGW<br />
LGU<br />
LGY<br />
LGR<br />
LGS<br />
LGP<br />
BO<br />
BY<br />
BW<br />
BU<br />
BP<br />
BG<br />
BN<br />
BS<br />
BT12-2<br />
BT10-5<br />
BT11-1<br />
UR<br />
KB<br />
NU<br />
KN<br />
BT11-10<br />
BT4<br />
-19<br />
KN<br />
FC1<br />
-42<br />
KN<br />
EM3<br />
-5<br />
BT4<br />
-9<br />
KB<br />
LS3<br />
-21<br />
KB<br />
EM51<br />
-8<br />
PG<br />
WU<br />
SP<br />
EM53 EM53 EM53<br />
-17 -16 -14<br />
BRAKE CANCEL<br />
SWITCH<br />
EM1-11<br />
EM1-12<br />
CC40-3<br />
CC40-2<br />
WU<br />
PG<br />
EM3-11<br />
EM3-10<br />
FCS28<br />
BK<br />
FC17R<br />
DIMMER OVERRIDE<br />
SR<br />
SG<br />
BO<br />
CCS21<br />
10.2<br />
RLG<br />
SP<br />
WU<br />
CC20<br />
-10<br />
CASSETTE<br />
SR<br />
SR<br />
SW1<br />
SC3-4<br />
-4<br />
SW2-4 SW3-3<br />
CASSETTE<br />
SG<br />
SG<br />
SW1<br />
SC3-3<br />
-3<br />
SW2-3 SW3-1<br />
CASSETTE<br />
BO<br />
BO<br />
SW1<br />
SC3-12<br />
-6<br />
SW2-6<br />
CRUISE CONTROL SWITCH<br />
270 Ω 510 Ω<br />
CC20<br />
-7<br />
WG<br />
CC20<br />
CC20<br />
-9<br />
ON / OFF<br />
-8<br />
680 Ω<br />
430 Ω<br />
680 Ω<br />
430 Ω<br />
–<br />
+<br />
CANCEL<br />
RESUME<br />
SW3-4<br />
SW3-2<br />
CRUISE CONTROL SWITCHES<br />
CAUTION: The steering wheel contains two logic ground<br />
circuits that must remain separate. Do not connect or<br />
cross-switch the BO and BK circuits.<br />
BO<br />
BO<br />
SWS1<br />
11<br />
II<br />
STEERING WHEEL<br />
IGNITION<br />
MODULE 1<br />
PI18-2 -1<br />
GU<br />
1A 2B 3B 4A 1B 2A 3A 4B<br />
PW<br />
PI23-2 -1<br />
GS<br />
PW<br />
PI24-2 -1<br />
GK<br />
PW<br />
PI1-40 PI1-42 PI1-41 PI1-39<br />
GU<br />
PI21-2 -1<br />
GW<br />
PW<br />
PI22-2 -1<br />
GB<br />
PW<br />
PI19-2 -1<br />
GR<br />
EM27 EM27 EM27 EM27 EM27 EM29 EM29<br />
-8 -7 -12<br />
-11 -10 -8<br />
-11<br />
EM27 EM27 EM27 EM27 EM27 EM27<br />
EM29 EM29 EM29 EM29 EM29 EM29<br />
-1 -2 -3 -6 -5 -9<br />
-9 -1 -2 -5 -3 -6<br />
EMS4<br />
EM8R<br />
EM53-8<br />
EM53-3<br />
OY<br />
W<br />
LGU<br />
GS<br />
PW<br />
PI20-2 -1<br />
GO<br />
PW<br />
PI1-46 PI1-45 PI1-44 PI1-43<br />
PI25-2 -1<br />
1A 2B 3B 4A 1B 2A 3A 4B<br />
LGS<br />
LS31-2<br />
LS31-9<br />
GK<br />
LGR<br />
LGK<br />
GW<br />
B<br />
IGNITION COILS<br />
GB<br />
B<br />
B<br />
GR<br />
LGP<br />
LS31-8<br />
GO<br />
EM29<br />
-7<br />
LGW<br />
WP<br />
LGO<br />
GP<br />
GP<br />
EM29<br />
-12<br />
LGY<br />
PW<br />
EM29<br />
-10<br />
PIS5<br />
EMS26<br />
EMS22<br />
PW<br />
PI1-53<br />
PW<br />
PW<br />
PW<br />
IGNITION<br />
MODULE 2<br />
RLG<br />
EM53-9<br />
EM53-12<br />
EM53-10<br />
RLG<br />
RY<br />
2<br />
1<br />
62<br />
WP 57<br />
E E<br />
PW<br />
UB<br />
WB<br />
EM1-9<br />
WB<br />
RY<br />
NOTE: Refer to Fig. 07.1<br />
and Fig. 07.2 for <strong>com</strong>plete<br />
A/C circuits.<br />
LS30-2<br />
5<br />
2<br />
UG<br />
ULG<br />
UN<br />
PG<br />
RLG<br />
EM26<br />
3<br />
1<br />
IGNITION COIL<br />
RELAY<br />
INTERCOOLER<br />
PUMP<br />
5<br />
1<br />
5<br />
EM41<br />
LS30-1<br />
INTERCOOLER PUMP<br />
RELAY †<br />
EM25<br />
3<br />
2<br />
CC31-7<br />
CC30-1<br />
CC31-9<br />
CC31-17<br />
CC28-1<br />
3<br />
NW<br />
WP<br />
B<br />
NW<br />
B<br />
I<br />
O<br />
O<br />
I<br />
I<br />
NLG<br />
LS20R<br />
EMS11<br />
EM17<br />
82<br />
59 E<br />
73<br />
B<br />
AIR CONDITIONING<br />
CONTROL MODULE<br />
78<br />
ENGINE CONTROL<br />
MODULE<br />
FUEL<br />
PUMP<br />
FUEL<br />
PUMP<br />
FUEL TANK<br />
BT9-2<br />
BT9-1<br />
BT9-4<br />
BT9-3<br />
NU<br />
B<br />
UR<br />
B<br />
BTS21<br />
B<br />
BT20<br />
76<br />
42<br />
II<br />
NY<br />
WK<br />
3<br />
1<br />
EM52<br />
FUEL INJECTION<br />
RELAY<br />
5<br />
2<br />
BR BR<br />
PI2-5 PIS2<br />
B B<br />
EMS11<br />
EM17<br />
BR<br />
IJ2-1<br />
BR<br />
IJ1-1<br />
BR<br />
IJS2<br />
BR<br />
IJS1<br />
PI1-30 PI1-32 PI1-33 PI1-34 PI1-35 PI1-36 PI1-37 PI1-38<br />
BU<br />
BN<br />
BG<br />
BW<br />
BS<br />
BY<br />
BO<br />
BP<br />
IJ1-2 IJ1-3 IJ1-4 IJ1-5 IJ2-2 IJ2-3 IJ2-4 IJ2-5<br />
BR<br />
BU<br />
BR<br />
BN<br />
BR<br />
BG<br />
BR<br />
BW<br />
BR<br />
BU<br />
BR<br />
BN<br />
BR<br />
BG<br />
BR<br />
BW<br />
IJ3-2 -1 IJ4-2 -1 IJ5-2 -1 IJ6-2 -1 IJ7-2 -1 IJ8-2 -1 IJ9-2 -1 IJ10-2 -1<br />
1A 2A 3A 4A 1B 2B 3B 4B<br />
FUEL INJECTORS<br />
OG<br />
LS31-5<br />
WU<br />
LS31-7<br />
B<br />
LS31-1<br />
LS10R<br />
OY<br />
LS32-1<br />
OG<br />
LS32-4<br />
RADIATOR FAN CONTROL<br />
RELAY MODULE<br />
OY<br />
OG<br />
CF1-1<br />
CF2-2<br />
CF1-2<br />
LH RADIATOR FAN<br />
CF2-1<br />
RH RADIATOR FAN<br />
B<br />
NG<br />
LS31-3<br />
NLG<br />
B<br />
LS32-3<br />
68<br />
67<br />
LS10L<br />
RLG RLG B<br />
PI1-13<br />
PG PG<br />
EM51-6<br />
WU WU<br />
EM51-5<br />
RW RW<br />
EM51-10<br />
AIR CONDITIONING<br />
COMPRESSOR CLUTCH RELAY<br />
PI36-1<br />
LS26-5<br />
LS26-1<br />
LS26-3<br />
AIR CONDITIONING<br />
COMPRESSOR<br />
CLUTCH<br />
P<br />
2–30 BAR<br />
20 BAR<br />
12 BAR<br />
REFRIGERANT<br />
4-WAY PRESSURE<br />
SWITCH<br />
LS26-2<br />
LS26-4<br />
† NOTE: Early production vehicles have connector pin numbers that differ<br />
from the volume production pin numbers shown. Use the wire color code<br />
for pin identification on early production vehicles.<br />
BK<br />
BK<br />
LSS17<br />
BK<br />
LS20L<br />
1 6<br />
7 47<br />
Fig. 01.1<br />
48 82<br />
1<br />
II<br />
4<br />
II<br />
Fig. 01.2<br />
Fig. 01.3<br />
5<br />
II<br />
45<br />
E<br />
44<br />
II<br />
63<br />
E<br />
Fig. 01.4<br />
Fig. 01.5<br />
1 17<br />
I<br />
Fig. 02.1<br />
I<br />
Input<br />
O<br />
Output<br />
C<br />
S<br />
Signal Ground (SG) CAN (Network) SCP Network<br />
D<br />
Serial and Encoded<br />
Communications<br />
VARIANT: AJ26 4.0 SC Vehicles<br />
VIN RANGE: All<br />
DATE OF ISSUE: SEPTEMBER 1997
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