1998 JAGUAR X308 Workshop Manual

Page 1625 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 H2  
H2: CHECK
  FOR LOW EXHAUST TEMPERATURE
Chec

k the engine and exhaust 
system for correct operatio

Page 1626 of 2490

JAGUAR X308 1998 2.G Workshop Manual With
  the conditions held as H3, suddenly decelerate to idle. 
1 
Has the voltage 
d
 ropped to 400mV or less ? 
Yes  Stop the engine 
GO to H5  
No  Renew O2 sensor. Reconnect plug(s). 
GO to H7  
H

Page 1627 of 2490

JAGUAR X308 1998 2.G Workshop Manual GO to H8  
No
  
Renew O2 sensor. Reconnect plug(s) 
GO to H7  
H7
 : STOP
Perform 

appropriate service drive cycle and check for the 
presence of DTC. 
1 
Has
  the fault code cleared? 
Yes  STOP 
N

Page 1628 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Wi
 th EM012 and EM024 disconnected, measure the 
resistance between EM012/022 and EM024/001. 
1 
I s
  the resistance < 0.5 OHM? 
Yes  GO to H10  
No  Inspect harness / connectors  EM012 and EM024 f

Page 1629 of 2490

JAGUAR X308 1998 2.G Workshop Manual  W
ith EM024 disconnected measur
e the insulation resistance 
between sensor pin 001 and sensor body. 
1 
Repeat 
 for pin 002 and sensor body. 
2 
I

s the resistance > 10 MOHM? 
Yes  GO to H12  
No

Page 1630 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Wi
 th EM010 and EM014 disconnected, measure the 
resistance between EM010/023 and chassis ground EM008L. 
1 
I s
  the resistance < 0.5 OHM? 
Yes  GO to H13  
No  Inspect harness / connector EM010 f

Page 1631 of 2490

JAGUAR X308 1998 2.G Workshop Manual  W
ith EM010 and EM014 disconnected, measure the 
resistance between EM014/004 and chassis ground EM008L. 
1 
I
 s the resistance < 0.5 OHM? 
Yes  GO to H15  
No  Inspect harness / connector EM014 for

Page 1632 of 2490

JAGUAR X308 1998 2.G Workshop Manual  Wi
 th EM012 and EM024 disconnected, measure the 
resistance between EM012/016 and EM024/002. 
1 
I s
  the resistance < 0.5 OHM? 
Yes  GO to H16  
No  Inspect harness / connecto rs EM012, and EM024