ignition JAGUAR X308 1998 2.G Repair Manual

JAGUAR X308 1998 2.G Repair Manual X308 1998 2.G JAGUAR JAGUAR https://www.carmanualsonline.info/img/21/7640/w960_7640-0.png JAGUAR X308 1998 2.G Repair Manual

Page 1028 of 2490

JAGUAR X308 1998 2.G Repair Manual Pinpoint Tests 
P1316Mi
 sfire excess emission (this DTC 
will flag only when accompanied by  an individual cylinder misfire DTC:  P0300-P0308) 
Re
 fer to possible causes for P0300-P0308
R
e
 fer to

Page 1029 of 2490

JAGUAR X308 1998 2.G Repair Manual ci
rcuit includes the EMS fuse box, 
fuse 05, and the fuel injection relay. For additional information, 
refer to the wiring diagrams. CLEAR DTC.  TEST the system for normal operation. 
A4: CHECK
 THE

Page 1030 of 2490

JAGUAR X308 1998 2.G Repair Manual Measure t
 he resistance 
between BT15 and GROUND. 
2 
Is the res
 istance greater than 5 ohms? 
Yes  GO to B2
.  
No  
GO to B3
.  
B2: CHECK  THE FUEL 
 LEVEL SENSOR REFERE
NCE GROUND CIRCUIT FOR HI

Page 1031 of 2490

JAGUAR X308 1998 2.G Repair Manual C2: CHECK THE FUEL 
PUMP 2 RELAY TO ECM CIRCUIT
Di

sconnect the battery negative terminal. 
1
 
D
 isconnect the ECM electrical connector, EM13. 
2
 
Meas
 ure the resistance between the rela
y base,

Page 1064 of 2490

JAGUAR X308 1998 2.G Repair Manual  
The  il
 lustration above is a simplified expl
anation of how the starting system operates in conjunction with the Body Processor 
Module (BPM) and the Engine  Control Module (ECM). 
Refer to the St

Page 1065 of 2490

JAGUAR X308 1998 2.G Repair Manual The BPM
 CRANK SELECTED terminal is ta
ken to 0V by the ignition switch.  
The BPM
 O/P ENGINE CRANK terminal pr
ovides a path to ground for the starte r relay coil, via Fuse 5 (10A) located

Page 1066 of 2490

JAGUAR X308 1998 2.G Repair Manual Starting System - Starting System 
Diagn
 osis and Testing 
I
n
 spection and Verification 
W
A
 RNING: Make sure 
the vehicle is in NEUTRAL or PARK  for vehicles with au tomatic transmission, NEUTRAL

Page 1067 of 2490

JAGUAR X308 1998 2.G Repair Manual Pinpoint Tests 
DT
C
De
 scription
Possib
 le Source
Acti
 on
P1245Engine 

crank signal low 
voltage
Starter relay 
 coil to 
ECM/BPM circuit open 
circuit  
F
 or starter relay circuit tests,GO t

Page 1068 of 2490

JAGUAR X308 1998 2.G Repair Manual Is the res
 istance greater than 5 ohms? 
Yes  REPAIR the high resistance circui t. For additional information, refer to the wiring diagrams. CLEAR 
the DTC. TEST the system for normal operation. 
No

Page 1069 of 2490

JAGUAR X308 1998 2.G Repair Manual  
 
Yes
 
REPAIR the short circuit to high voltage. For addi tional information, refer to the wiring diagrams. 
CLEAR the DTC. TEST the syst em for normal operation.  
No  GO to B5
.  
B5: CHECK
  THE