display JAGUAR X308 1998 2.G Owner's Manual

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.

10. Cycle the gear selector:
From P to D.
From D to R.
From R to P.

11. NOTE: Temperature will ONLY be displayed in D or R.
Check the transmission fluid temperature to select the
appropriate dipstick calibration. 1. MAX and MIN marks at 25°C fluid temperature.
2. MAX and MIN marks at 80°C fluid temperature.

12. Check the transmission fluid level.
Insert the dipstick (special tool 307 - 379) until it stops
(tip contact with the fluid pan).
Remove the dipstick an d check the level.
• NOTE: Only use a lint free cloth to wipe the dipstick.
Repeat this operation.
13. Correct the fluid leve l as required, noting that excess fluid
MUST be removed.
14. STOP the engine and remove the dipstick.
15. Seal the dipstick tube.
1. Seat the tube plug.
2. Engage and fully seat the new locking pin.

Automatic Transmission/Transax
le External Cont
rols - 4.0L NA V8 -
AJ27/3.2L NA V8 - AJ26 - Ki ckdown Switch Adjustment
Gen
eral Procedures
1. Ensure that the throttle cabl e is correctly adjusted, see
19.20.06.
2. See the PDU User Guide for relevant software - 1040.
3. With PDU connected, running and the message 'EXISTING
COMPONENTS TO BE TESTED YES / NO' displayed;
1. Select YES.
2. Select ENTER.
3. Follow the messages given on the screen.
4. Press ENTER on the PDU screen.

5. F
ollowing the PDU instruction;
1. Push the throttle pedal until light contact is made with
the kickdown switch and hold.
2. Press ENTER on the display.
3. Note the percentage throttle open data (displayed as a bar graph).
• NOTE: Ensure that contact with the switch does not
result in switch movement.
4. Release the throttle pedal.
6. If the target 90% throttle open specification is NOT achieved
the switch must be ad justed as follows:

7. Di
sconnect the kickdown switch multiplug.
Move the car

pet for access.

8. Adjust
the kickdown switch to th
e value as defined in step #6.
R
otate the switch in th
e required direction.


9.
Veri
fy the setting.
10. With the PDU instructions completed, connect the Kickdown
switch multiplug.

Automatic Transmission/Transax
le External Controls
- 4.0L SC V8 - AJ26 -

Kickdown Switch Adjustment
Gen
eral Procedures
1. Ensure that the throttle cable is correctly adjusted; refer to
Operation 19.20.06.
2. Refer to the PDU User Guide for relevant software - 1040.
3. With PDU connected, running and the message 'EXISTING
COMPONENTS TO BE TESTED YES / NO' displayed:
Select YES.
Select ENTER.

Fol

low the messages given on the screen.
4. Press ENTER on the PDU screen.

5. F
ollowing the PDU instructions:
Push the throttl

e pedal until li
ght contact is made with the
kickdown switch and hold in this position.
Pres
s ENTER on the display.
No

te the percentage throttle op
en data (displayed as a bar
graph).
• NOTE: Ensure that contact with the switch does not
result in movement of the switch.
R
elease the throttle pedal.
6. If the target 90% throttle open specification is NOT achieved
the switch must be ad justed as follows.

7. Di
sconnect the kickdown switch multiplug.
Move the car

pet for access.

8. Adjust
the kickdown switch to th
e value as defined in step 6.
R
otate the switch in th
e required direction.


9.
Veri
fy the setting.
10. With the PDU instructions completed, connect the kickdown
switch multiplug.

GO to B7
No Renew O2 sensor, reconnect plug(s).
GO to B8
B7: CHECK FOR O2 SENSOR FAILURE
With the conditions held as in B6, run the engine at 1500
rpm for approximately 2 minutes. 1
Does the displayed voltage drop below 400mV and rise above 500 mV, cycling approximately every 4 seconds?
Yes GO to B9
No Renew O2 sensor, reconnect plug(s).
GO to B8
B8: 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
B9: HEATED O2 SENSOR SHORT CIRCUIT TO GROUND

With the conditions held as in C4, run the engine at 1500
rpm for approximately 3 minutes. 1
Does the displayed voltage drop below 400mV and rise above 500
mV, cycling approximately every 180 seconds?
Yes GO to C7
No Renew O2 sensor and reconnect plug(s).
GO to C6
C6: 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
C7: CHECK FOR O2 SENSOR CONTINUITY

With the conditions held as in D5, run the engine at 1500
rpm for approximately 3 minutes. 1
Does the displayed voltage drop below 400mV and rise above 500
mV, cycling approximately every 180 seconds?
Yes GO to D8
No Renew O2 sensor. Reconnect plug(s).
GO to D7
D7: 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
D8: CHECK FOR O2 SENSOR CONTINUITY

Yes GO to F7
No Renew O2 sensor. Reconnect plug(s)
GO to F8
F7: CHECK FOR O2 SENSOR FAILURE
With the conditions held as in F6, run the engine at 1500
rpm for approximately 2 minutes. 1
Does the displayed voltage drop below 400mV and rise above
500 mV, cycling approximately every 4 seconds?
Yes GO to F9
No Renew O2 sensor. Reconnect plug(s)
GO to F8
F8: 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
F9: HEATED O2 SENSOR SHORT CIRCUIT TO GROUND

With the conditions held as in G4, run the engine at 1500
rpm for approximately 3 minutes. 1
Does the displayed voltage drop below 400mV and rise above 500
mV, cycling approximately every 180 seconds?
Yes GO to G7
No Renew O2 sensor and reconnect plug(s).
GO to G6
G6: 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
G7: CHECK FOR O2 SENSOR CONTINUITY

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
H5
: CHECK FOR O2 SENSOR FAILURE
Wi
th
the conditions held as H4, suddenly accelerate to
approximately 2500 rpm.
1
Has the
voltage risen to between 600mV and 1 volt?
Yes GO to H6
No Renew O2 sensor. Reconnect plug(s).
GO to H7
H6
: CHECK FOR O2 SENSOR FAILURE
W
i
th the conditions held as in H5, run the engine at 1500
rpm for approximately 3 minutes.
1
Does th e displayed voltage drop below 40
0mV and rise above 500
mV, cycling approximately every 180 seconds?
Yes