1998 JAGUAR X308 Connector

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 for corrosion, damage, or
pushed back pin.
Inspect ground stud EM008L for corrosion or damage.
Inspect harness / spli ce EMS36 for damage.
Repair as required an d reconnect plug(s).
GO to H14
H13: SI GNAL
GROUND 2 CONTINUITY

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 corrosion, damage, or
pushed back pin.
Inspect ground stud EM008L for corrosion or damage.
Inspect harness / spli ce EMS36 for damage.
Repair as required an d reconnect plug(s).
GO to H14
H1
4: STOP
Perform

appropriate service drive cycle and check for the
presence of DTC.
1
Has
the fault code cleared?
Yes STOP
No Contact Jaguar Service
H
15: CHECK FOR O2 SENSOR CONTINUITY

W
ith EM012 and EM024 disconnected, measure the
resistance between EM012/022 and EM024/001.
1
I
s the resistance < 0.5 OHM?
Yes GO to H17
No Inspect harness / connectors EM012 and EM024 for corrosion,
damaged / pushed back pins.
Repair as required an d reconnect plug(s).
GO to H21
H
17: CHECK FOR SHORT TO B+

Wi
th EM010 and EM012 disconnected, measure the voltage
between EM010/023 and EM012/016.
1
Is th e volt
age 0V?
Yes GO to H18
No Inspect harness / connectors EM010, EM012 and EM024 for
corrosion, damaged / pushed back pins.
Repair as required an d reconnect plug(s).
GO to H21
H1
8: CHECK FOR SHORT TO B+

W
ith EM010 and EM012 disconnected, measure the voltage
between EM010/023 and EM012/022.
1
Is th
e voltage 0V?
Yes GO to H19
No Inspect harness / connectors EM010, EM012 and EM024 for
corrosion, damaged / pushed back pins.
Repair as required an d reconnect plug(s).
GO to H21
H
19: CHECK HARNESS SHORT TO GROUND

Wi
th EM010, EM012 and EM024 disconnected, measure the
insulation resistance between EM012/016 and ground
EM010/023.
1
Is
the resistance > 10 MOHM?
Yes GO to H20
No Inspect harness / connectors EM012, EM024 for corrosion,
bent / pushed back pins.
Repair as required an d reconnect plug(s).
GO to H21
H20: CHECK HA RNESS SHO
RT CORE TO CORE

M
easure the insulation resistance between EM012/016 and
EM012/022.
1
I
s the resistance > 10 MOHM?
Yes Reconnect all plugs.
GO to H21
No Inspect harness / connectors EM012, EM015 and EM024 for
corrosion, bent / pushed back pins.
Repair as required an d reconnect plug(s).
GO to H21
H2
1: END
Perform

appropriate service drive cycle and check for the
presence of DTC.
1
Has
the fault code cleared?
Yes STOP
No Contact Jaguar Service

Exha
ust System - Catalyti
c Converter LH4.0L NA V8 - AJ27/3.2L NA V8 -
AJ26
Re mo
val and Installation
Remova

l
1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Remove the front muffler; refer to Operation 30.10.18 in this
section.

3. Re
move the centre trim panel
from the engine compartment.
1. Remove the left hand side enclosure panel.
2. Remove the centre trim panel.

4. Repo
sition the expansion tank from the mounting.
1. Disconnect the coolant level sensor connector.
2. Remove the nuts which secures the tank.

5. CAUT
ION: Note the position of the upstream and
downstream (where fitted) o xygen sensor multiplugs for
reassembly.
Disconnect the oxygen sensor multiplugs.
Di spl
ace the multiplugs from the engine mounting bracket.

Dis
connect the plug(s) from the oxygen sensor(s)
6.
Re
move the four nuts which se
cure the downpipe catalytic
converter to the exhaust manifold.