service INFINITI QX4 2005 Factory Owner's Manual

ON-VEHICLE SERVICE
AT-231
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
Control Valve With TCM and A/T Fluid Temperature Sensor 2ECS00CKX
COMPONENTS
1. Transmission 2. Snap ring 3. Sub-harness
4. Control valve with TCM 5. Bracket 6. A/T fluid temperature sensor 2
7. Oil pan gasket 8. Oil pan 9. Magnet
10. Drain plug 11. Drain plug gasket 12. Oil pan bolt
13. Terminal cord assembly 14. O-ring
SCIA5478E

AT-232
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
CONTROL VALVE WITH TCM REMOVAL AND INSTALLATION
Removal
1. Disconnect negative battery terminal
2. Drain ATF through drain plug.
3. Disconnect A/T assembly harness connector.
4. Remove snap ring from A/T assembly harness connector.
5. Push A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
6. Remove oil pan and oil pan gasket, refer to AT-229, "
Removal" .
7. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
8. Straighten terminal clip to free terminal cord assembly A/T fluid
temperature sensor 2 harness.
SCIA5021E
SCIA5022E
SCIA5023E
SCIA5446E

ON-VEHICLE SERVICE
AT-233
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
9. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
10. Straighten terminal clips to free revolution sensor harness.
11. Remove bolts A, B and C from control valve with TCM.
12. Remove control valve with TCM from transmission case.
CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
13. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve with TCM.
SCIA5024E
SCIA3969E
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
SCIA5139E
SCIA5142E
SCIA5301E

AT-234
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
14. Remove bracket from A/T fluid temperature sensor 2.
15. Remove O-ring from A/T assembly harness connector.
16. Disconnect TCM connectors.
CAUTION:
Be careful not to damage connectors.
17. Remove A/T assembly harness connector from control valve
with TCM using flat blade screwdriver.
18. Disconnect TCM connector and park/neutral position switch
connector
CAUTION:
Be careful not to damage connectors.
SCIA5264E
SCIA5155E
SCIA5447E
SCIA5448E
SCIA5449E

ON-VEHICLE SERVICE
AT-235
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
Installation
CAUTION:
After completing installation, check A/T fluid leakage and fluid level. Refer to MA-24, "
Changing A/T
Fluid" , MA-22, "Checking A/T Fluid" .
1. Connect TCM connector and park/neutral position switch con-
nector.
2. Install A/T assembly harness connector to control valve with
TCM.
3. Connect TCM connector.
4. Install new O-ring in A/T assembly harness connector.
NOTE:

Do not reuse O-ring.

Apply ATF to O-ring.
SCIA5449E
SCIA5450E
SCIA5447E
SCIA5155E

AT-236
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
5. Install A/T fluid temperature sensor 2 to bracket.
6. Install A/T fluid temperature sensor 2 (with bracket) in control
valve with TCM. Tighten A/T fluid temperature sensor 2 bolt to
the specified torque. Refer to AT-250, "
Components" .
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
7. Install control valve with TCM in transmission case.
CAUTION:

Make sure that turbine revolution sensor securely installs
turbine revolution sensor hole.

Hang down revolution sensor harness toward outside so
as not to disturb installation of control valve with TCM.

Adjust A/T assembly harness connector of control valve
with TCM to terminal hole of transmission case.

Assemble it so that manual valve cutout is engaged with
manual plate projection.
SCIA5264E
SCIA5301E
SCIA5034E
SCIA5142E

ON-VEHICLE SERVICE
AT-237
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
8. Install bolts A, B and C in control valve with TCM.
9. Tighten bolt 1, 2 and 3 temporarily to prevent dislocation. After
that tighten them in order (1 → 2 → 3), and then tighten other
bolts.
10. Tighten control valve with TCM bolts to the specified torque.
Refer to AT- 2 5 0 , "
Components" .
11. Connect A/T fluid temperature sensor 2 connector.
12. Securely fasten terminal cord assembly and A/T fluid tempera-
ture sensor 2 harness with terminal clips.
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
SCIA5139E
SCIA5140E
SCIA5023E
SCIA5446E

AT-238
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
13. Connect revolution sensor connector.
14. Securely fasten revolution sensor harness with terminal clips.
15. Install oil pan to transmission case, refer to AT-229, "
Installation" .
16. Pull up A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
17. Install snap ring to A/T assembly harness connector.
18. Connect A/T assembly harness connector.
19. Pour ATF into transmission assembly. Refer to MA-24, "
Chang-
ing A/T Fluid" .
20. Connect the negative battery terminal
SCIA5024E
SCIA3969E
SCIA5038E
SCIA5039E

ON-VEHICLE SERVICE
AT-239
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION
Removal
1. Disconnect negative battery terminal
2. Remove oil pan and oil pan gasket, refer to AT - 2 2 9 , "
Removal" .
3. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
4. Straighten terminal clip to free A/T fluid temperature sensor 2
harness.
5. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve with TCM.
6. Remove bracket from A/T fluid temperature sensor 2.
SCIA5023E
SCIA5146E
SCIA5253E
SCIA5264E

AT-240
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
Installation
CAUTION:
After completing installation, check for A/T fluid leakage and fluid level. Refer to MA-24, "
Changing A/
T Fluid" , MA-22, "Checking A/T Fluid" .
1. Install A/T fluid temperature sensor 2 to bracket.
2. Install A/T fluid temperature sensor 2 (with bracket) in control
valve with TCM. Tighten A/T fluid temperature sensor 2 mount-
ing bolt to the specified torque. Refer to AT- 2 5 0 , "
Components" .
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
3. Connect A/T fluid temperature sensor 2 connector.
4. Securely fasten A/T temperature sensor 2 harness with terminal
clip.
5. Install oil pan to transmission case, refer to AT-229, "
Installation" .
6. Connect the negative battery terminal
SCIA5264E
SCIA5253E
SCIA5023E
SCIA5146E