1994 JAGUAR XJ6 seat memory

Carry out the passenger seat position adjustments procedure below under each of the conditions stated below:
Key in ignition barrel
. Passenger's door open
. Passenger's closed within the last 30 seconds
0 . Auxiliary ON
Passenger seat position adjustments
1.
2.
3.
4.
5.
0
6.
7.
8.
Locate seat switch pack on the side of the seat cushion.
Operate the fore
/ aft movement control switch. Does the seat respond in the correct manner?
Yes: Proceed to step
3.
No:
Operate front and rear, raise / lower movement control switches. Does seat respond in the
correct manner in each case?
Yes: Proceed to step
4.
No:
Operate squab recline / incline movement control switch. Does squab respond in correct
manner?
Yes: Proceed to step
5.
No:
Operate lumbar pump inflate / deflate control switch. Does lumbar pad stiffen and slacken
accordingly?
Yes: Proceed to step
6
No:
Operate headrest raise / lower switch. Does headrest respond in correct manner?
Yes: Proceed to step
7.
No:
Remove key from ignition, close passenger's door and allow 30 seconds to elapse. Repeat
steps
1 - 6 and check that adjustment cannot be made.
Test complete; proceed to Memory Position Set
Abort
test and refer to Diagnostic Sub
-Routines.
Abort test and refer to Diagnostic Sub
-Routines.
Abort test and refer to Diagnostic Sub
-Routines.
Abort test and refer to Diagnostic Sub
-Routines.
Abort test and refer to Diagnostic Sub
-Routines.
Memory
set position - passenger's side
1.
2.
0 3.
4.
5.
6.
7.
0
Insert the key in the ignition.
Operate switches to adjust seat to preferred positions.
Select 'memory' on the passenger's door switch pack. Check that switch surround
i I I um i nates.
Depress desired memory button,
1,2 or 3, on door switch pack within 4 seconds of
memory select. Check that
a chime sounds to confirm memory storage.
Operate the switches
so that memorized positions are changed. Depress relevant memory
option button,
1, 2 or 3 and check that all positional settings are restored as memorized.
Yes: Proceed to step
6.
No:
Remove key from ignition, close door and allow 30 seconds to elapse. Repeat steps 1 - 4
and check that adjustment cannot be made.
Test complete. Abort
test and refer to Diagnostic Sub
-Routines.
X300 EDM 15.4 - 15 Issue 1 August 1994

Electrical rl
Carry out the exit 1 entry mode procedure below under the conditions stated below:
. Key in ignition barrel
. Driver's door closed
. Auxiliary ON
. Park brake ON
. Gear selector in Park.
Exit 1 Entry Mode
1.
2.
3.
From the driver's seat, position the memory mode switch, located on the LH side of the
steering column, to auto.
Operate the seat, column and mirror switches to preferred driving position.
Note:
Remove key from ignition. Check that seat moves backwards and column tilts upwards
and away, creating maximum space for exit.
Yes: Proceed to step
4.
No:
Seat must be a minimum of 50mm from rear end stop.
Abort test and refer to Diagnostic Sub
-Routines.
4.
5.
3.
Refit key in ignition, open driver's door. Check that seat moves backwards and column tilts
upwards and away, creating maximum space for exit.
Yes: Proceed to step
5.
No:
Leave key in ignition and exit the vehicle, closing driver's door. Ensure that column and
seat return to driving position. Re-enter vehicle and ensure that column and seat move to
entry position. Close door and check that seat
/ column return to previously selected
driving positions.
Yes: Test complete.
No: Refer to Diagnostic Sub-Routines.
Abort
test and refer to Diagnostic Sub
-Routines.
Seat heaters (driver and passenger)
1.
2.
Turn ignition ON and locate heater select switch on the center console.
Operate the switch to initiate seat heating. Does the switch surround illuminate?
Yes: Proceed to step
3.
No:
Allow sufficient time for heater to take effect. Does seat heat level increase in all
designated areas?
Abort
test and refer to Diagnostic Sub
-Routines.
4.
5.
Yes: Proceed to step 4.
No:
Allow time span to exceed 12 minutes. Does switch surround light extinguish and heating
cease?
Yes: Proceed to step
5.
No:
Re-select heating, allow cycle to commence then operate switch again. Does switch
surround light extinguish and heating cease?
Yes: Test complete
No: Refer to Diagnostic Sub-Routines.
Abort
test and refer to Diagnostic Sub
-Routines.
Abort test and refer to Diagnostic Sub
-Routines.

n E I ectr ical
2A. Seat movement motors (memory seats)
a.
b.
Check motor operation is not obstructed, and that mechanical linkage is not damaged
or disconnected.
Examine wiring harness, checking continuity between SCM Connector
A1 and motor
unit connector pins as follows:
SCM Motor Function Unit Pin
Pin 8 Seat forward 1
Pin
7 Seat rearward 3
Pin 5 Seat rear raise 1
Pin
6 Seat rear lower 3
Pin 3 Seat front raise 1
Pin
4 Seat front lower 3
Check resistance between motor pins 1 and 3, a value of approximately 2S2 should be
indicated.
Check motor position potentiometer as described in test
4.
C.
d.
28. Seat movement motor (manual seats)
a.
b.
C.
d.
Check motor operation is not obstructed, and that mechanical linkage is not damaged
or disconnected.
Check continuity from motor connector pins (1
& 3) to each relay contact connector
(pin
3, raise relay, pin 8, lower relay) respectively.
Check power supply
(+12V) from LH 'A' post base fuse box, fuse F6, to seat switch
connector pin
9.
Check power supply (+12V) from RH 'A' post base fuse box, fuse F3, to pin 5, raise relay
connector and pin 10, lower relay connector.
Check continuity from switch pack connector pin
4 to raise relay connector pin 5 and
from switch pack connector pin 5 to lower relay connector pin
6
Check continuity to ground from raise relay connector pins 2 and 4 and lower relay
connector pins
7 and 9
e.
f.
3. Seat squab 1 headrest motors
a.
b.
Check motor operation is not obstructed, and that mechanical linkage is not damaged
or disconnected.
Examine wiring harness, checking continuity between SCM Connector
A1 and motor
unit connector pins as follows:
SCM Motor Pin
Pin 1 Squab recline 1 incline +ve 3
Pin 2 Squab recline 1 incline -ve 1
Pin 11 Headrest raise
1 lower +ve 1
Pin 12 Headrest raise
1 lower -ve 3
Check resistance between motor pins 1 and 3; a value of approximately 28 should be
indicated.
Check motor position potentiometers as described in step
4.
C.
d.
Issue 1 August 1994 15.4 - 20 X300 EDM

rl E I ect r ical
6A. Heating (powered seats)
a. Examine harness wiring, checking continuity between SCM connector AI pins 9 and
10. A resistance value of 1.5-3.252 should be recorded indicating all heating
elements intact and thermostat closed.
Check continuity from BPU black 48
-way connector B, pin 38 to center console seat
heater switch module connector pin
5. Operate switch and check continuity from BPU
black 48
-way connector B pin 38 to ground.
Check continuity between cushion heater module and squab heater module pins;
resistance values of
1.0-2.052 and 0.51.252 respectively should be achieved.
Check continuity from SCM connector B2 pin
2, through console switch LED to ground;
a resistance value of 0 - 0.552 should be recorded.
b.
C.
d.
1
J86 - 1872
Fig. 1 Memory Seat Heaters
e
0
0
0