1998 JAGUAR X308 fault code

Pinpoint test F: P0715
With EM062 and GB001 disconnected, measure the
resistance between GB001/012 and EM062/033 1
Is the resistance < 0.5 OHM?
Yes GO to E5
No Inspect EM062, EM044 and GB001 for corrosion, bent /
pushed back pins or locate harness. Repair as necessary
and test the system fo r normal operation.
E5: 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
PINPOINT TEST F : P0715
TEST CONDITIONSDETAILS/RESULTS/ACTIONS
F1: RETRIEVE DTCS
• NOTE: Battery and or ECM disconnection prior to scanning wi ll erase all data, ensure that the correct DTC is present.

Pinpoint test G: P1601
With EM062 and GB001 disconnected, measure the
resistance between GB001/001 and EM062/035 1
Is the resistance < 0.5 OHM?
Yes GO to F6
No Inspect EM062, EM044 and GB001 for corrosion, bent /
pushed back pins or locate harness. Repair as necessary
and test the system fo r normal operation.
F6: 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
PINPOINT TEST G : P1601
TEST CONDITIONSDETAILS/RESULTS/ACTIONS
G1: RETRIEVE DTCS
• NOTE: Following ECM power-down, the DTC will be lost and may only be displayed when the ignition is energized.

Pinpoint test H: P0730, P0780
Connect the scan tool 1
Have the DTC(s) and freeze frame data been recorded?
Yes GO to G2
G2: RENEW TCM
Renew the TCM 1
Has the TCM been renewed?
Yes GO to G3
G3: END
• NOTE: The following step must be carried out in order that sy stem adaptions can take place.
Drive the vehicle for a period from cold to include idle, brisk
acceleration and steady state cruising up to and including
normal engine temperature. Check for the presence of DTC 1
Has the fault code cleared?
Yes STOP
No Contact Jaguar Service
PINPOINT TEST H : P0730, P0780
TEST CONDITIONSDETAILS/RESULTS/ACTIONS
H1: RETRIEVE DTCS
• NOTE: Battery and or ECM disconnection prior to scanning wi ll erase all data, ensure that the correct DTC is present.
Connect the scan tool 1
Have the DTC(s) and freeze frame data been recorded?
Yes GO to H2
H2: RENEW VALVE BODY ASSEMBLY
Renew the valve body assembly 1
Drive the vehicle for a period from cold to include idle, brisk
acceleration and steady state cruising up to and including
normal engine temperature. Check for the presence of DTC 2
Has the fault code cleared?

Yes STOP
No GO to H3
H3: RENEW TRANSMISSION
Renew the transmission 1
Has the transmission been renewed?
Yes GO to H4
H4: END
Drive the vehicle for a period from cold to include idle, brisk
acceleration and steady state cruising up to and including
normal en
gine temperature. Check for the presence of DTC
1
Has the fault code cleared?
Yes STOP
No Contact Jaguar Service

With EM007 disconnected, measure the resistance
between EM007/028 and EM007/009 1
With the selector lever at D, 4, 3, 2 is the resistance < 0.5
OHM?With the selector lever at P, R, N is the resistance >50
KOHM?
Yes GO to A11
No Inspect EM007 and EM047 for corrosion, bent / pushed
back pins or locate and repair the harness EM007/009 to
EM047/00D - test the system for normal operation.
No OK, but fault still present?
Yes Renew rotary position switch and test the system for
normal operation.
A11: 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

With EM061 and CC008 disconnected, measure the
resistance between CC008/002 and EM008R 1
Is the resistance < 0.5 OHM?
Yes GO to A6
No Inspect CC008 and EM063 for corrosion, bent / pushed
back pins or locate harness / ground EM8R, splices
EMS017 and EMS004. Repair as necessary and test the
system for normal operation.
A6: 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

Bracket on top of gearbox or Bulkhead rear of engine
With EM021 disconnected, measure the voltage between
EM021/003 and EM021/004. 3
Is the voltage between 600mV and 1.0 Volt?
Yes
GO to A4
No Renew O2 sensor; reconnect plug(s)
GO to A6
A4: CHECK FOR O2 SENSOR FAILURE
With the conditions held as A3, suddenly decelerate to idle. 1
Has the voltage dropped to 400mV or less ?
Yes GO to A5
No Renew O2 sensor; reconnect plug(s)
GO to A6
A5: CHECK FOR O2 SENSOR FAILURE
With the conditions held as A4, suddenly accelerate to
approximately 2500 rpm. 1
Has the voltage risen to between 600mV and 1 volt?
Yes GO to A7
No Renew O2 sensor; reconnect plug(s)
GO to A6
A6: 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
A7: HEATED O2 SENSOR SHORT CIRCUIT TO GROUND

Measure the insulation resistance between sensor pin 001
and sensor body 1
Repeat for pin 003 and sensor body 2
Is the resistance > 10 MOHM?
Yes GO to A9
No Renew the O2 sensor and reconnect plug(s)
GO to A8
A8: 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
A9: SIGNAL GROUND 1 CONTINUITY