Page 945 of 2490
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 top hose
2
Meas
ure the resistance between sensor pins 1 and 2.
3
Re
sistance < 100 OHM?
Yes Renew sensor and proceed to C5
No GO to C3
C3
: CHECK FOR SHORT TO GROUND
Page 946 of 2490
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 < 0.5 OHM?
Yes Inspect harness / connector EM011/0012, PI004/001,
PI001/006 and splices EMS02 / PIS01 for corrosion,
damage, bent or pushed back pins. Repair as required and
reconnect all connectors. Te st the system for normal
operation.
No GO to C4
C4: END
Perform a
ppropriate service drive cycle and check for the
presence of DTC.
1
Has th
e fault code cleared?
Yes STOP
No Contact Jaguar Service
PINPOINT TES
T D : P1474
T
E
ST CONDITIONS
D
E
TAILS/RESULTS/ACTIONS
D1
:
RETRIEVE DTCS
•
NOTE
: Battery and or ECM disconnection prior to scanning wi
ll erase all data, ensure that the correct DTC is present.
Page 947 of 2490
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 F2 integrity (located in the engine
management fuse box).
1
OK
?
Yes GO to D3
No Renew fuse and test the syst em for normal operation.
D3: C
HECK RELAY SOCKET SUPPLY VOLTAGE
•
NOTE: Do not replace relay.
Page 948 of 2490
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 pins 3
and 2.
4
B+ ?
Yes
GO to D6
No GO to D4
D4: C H
ECK RELAY SOCKET SUPPLY CONTINUITY
•
NOTE: Install fuse F2.
Do not replace relay.
Page 949 of 2490
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 GO to D5
No Inspect harness / connectors EM020 and EM041 (relay
socket) for corrosion, damage, bent or pushed back pins.
Repair as required and te st the system for normal
operation.
D5:
CHECK RELAY SOCKET
GROUND CONTINUITY
Page 950 of 2490
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, EM041 (relay
socket) and splice EMS11 for corrosion, damage, bent or
pushed back pins. Repair as required and test the system
for normal operation.
D6: CHECK
RELAY COIL SUPPLY VOLTAGE
• NO
TE: Renew relay.
Page 951 of 2490
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
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 STOP, renew the relay and test the system for normal
operation.
No Inspect harness / connector EM013 and relay socket for
corrosion, damage, bent or pushed back pins. Repair as
required and test the syst em for normal operation.
D8:
END
Perform
a
ppropriate service drive cycle and check for the
presence of DTC.
1
Has th
e fault code cleared?
Yes STOP
No Contact Jaguar Service