1998 JAGUAR X308 Workshop Manual

Page 945 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Conne
ct the scan tool 
1 
Have the DTC(s) and fr

eeze 
frame data been recorded? 
Yes  GO to C2  
C2
 : CHECK ECT SENSOR SHORT
I

gnition switch to position 0 
1 
D

isconnect PI004 
Re

ar of t

Page 946 of 2490

JAGUAR X308 1998 2.G Workshop Manual Pinpoint test D
 : P1474 
I
g
 nition switch to position 0 
1 
Di
sc
 onnect EM011 
Inside E
C
 M housing  
2 
Meas
ure t
 he resistance betw
een pins 9 and 12 of the 
connector. 
3 
Re si
 stance

Page 947 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Conne
ct the scan tool 
1 
Have the DTC(s) and fr

eeze 
frame data been recorded? 
Yes  GO to D2  
D
 2: CHECK FUSE
•

 NOTE: See further steps for poss
ible cause of fuse failure. 
 Chec
 k fuse

Page 948 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Ig
 nition switch to position 0 
1 
R
e
 move intercooler 
coolant pump relay 
Inside EC
 M housing  
2 
Ignition switc
h
  to position II 
3 
Ch
e
 ck for battery voltage at relay socket between

Page 949 of 2490

JAGUAR X308 1998 2.G Workshop Manual  I
gnition switch to position 0 
1 
Re

move engine management fuse F2 
2 
Meas

ure the resistance between relay socket pin 3 and 
the load side of fuse F2. 
3 
I
 s the resistance < 0.5 OHM? 
Yes  G

Page 950 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Ig
 nition switch to position 0 
1 
Meas
ure re
 sistance between relay socket pin 1 and 
ground EM017. 
2 
I s
  the resistance < 0.5 OHM? 
Yes  GO to D6  
No  Inspect harness / connec tors EM020, E

Page 951 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Ignition switc
h to position II 
1 
Meas

ure voltage between relay socket between pin 2 and 
ground EM017. 
2 
B+ ? 
Yes
  
GO to D8  
No  GO to D7  
D7: C
 HECK ECM SUPPLY TO RELAY CONTINUITY

Page 952 of 2490

JAGUAR X308 1998 2.G Workshop Manual  
 
Ig
 nition switch to position 0 
1 
D
i
 sconnect EM013 
Inside E
C
 M housing  
2 
Me
asure
  the resistance between EM013/010 and relay 
socket pin 2. 
3 
I s
  the resistance < 0.5 OHM? 
Yes