Nissan Titan A60. Manual — part 905
TM-8
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
DIAGNOSTIC WORK SHEET
Symptoms
Vehicle does not move. ( Any position Particular position)
No up-shift ( 1st
→ 2nd 2nd → 3rd 3rd → 4th 4th → 5th)
No down-shift ( 5th
→ 4th 4th → 3rd 3rd → 2nd 2nd → 1st)
Lock-up malfunction
Shift point too high or too low.
Shift shock or slip ( N
→ D N → R Lock-up Any drive position)
Noise or vibration
No kick down
No pattern select
Others
(
)
A/T CHECK indicator lamp
Continuously lit
Not lit
Malfunction indicator lamp (MIL)
Continuously lit
Not lit
1
Read the item on cautions concerning fail-safe and understand the customer's com-
plaint.
2
A/T fluid inspection, stall test and line pressure test
A/T fluid inspection
Leak (Repair leak location.)
State
Amount
Stall test
Torque converter one-way clutch
Front brake
High and low reverse clutch
Low coast brake
Forward brake
Reverse brake
Forward one-way clutch
1st one-way
clutch
3rd one-way
clutch
Engine
Line pressure low
Except for input
clutch and direct
clutch, clutches and
brakes OK
Line pressure test - Suspected part:
3
Perform self-diagnosis. — Check detected items to repair or replace malfunctioning
part.
4
Perform road test.
5-1
Check before engine is started
5-2
Check at idle
5-3
Cruise test
Part 1
Part 2
Part 3
Check malfunction phenomena to repair or replace malfunctioning part after completing all road test.
5
Drive vehicle to check that the malfunction phenomenon has been resolved.
6
Erase the results of the self-diagnosis from the TCM and the ECM.
A/T CONTROL SYSTEM
TM-9
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
A/T CONTROL SYSTEM
Cross-Sectional View (2WD models)
INFOID:0000000006159227
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High & low reverse clutch
6.
Reverse brake
7.
Drum support
8.
Forward brake
9.
Low coast brake
10. Input shaft
11. Torque converter
12. Oil pump
13. Front brake
14. 3rd one-way clutch
15. Input clutch
16. 1st one-way clutch
17. Control valve with TCM
18. Forward one-way clutch
19. Rear extension
20. Output shaft
SCIA5267E
TM-10
< SYSTEM DESCRIPTION >
A/T CONTROL SYSTEM
Cross-Sectional View (4WD models)
INFOID:0000000006159228
Shift Mechanism
INFOID:0000000006159229
The automatic transmission uses compact dual planetary gear systems to improve power-transmission effi-
ciency, simplify construction and reduce weight.
It also employs an optimum shift control and super wide gear ratios. They improve starting performance and
acceleration during medium and high-speed operation.
CONSTRUCTION
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High & low reverse clutch
6.
Reverse brake
7.
Drum support
8.
Forward brake
9.
Low coast brake
10. Input shaft
11. Torque converter
12. Oil pump
13. Front brake
14. 3rd one-way clutch
15. Input clutch
16. 1st one-way clutch
17. Control valve with TCM
18. Forward one-way clutch
19. Adapter case
20. Output shaft
SCIA5268E
A/T CONTROL SYSTEM
TM-11
< SYSTEM DESCRIPTION >
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FUNCTION OF CLUTCH AND BRAKE
CLUTCH AND BAND CHART (FLOOR SHIFT MODELS)
1.
Front brake
2.
Input clutch
3.
Direct clutch
4.
High and low reverse clutch
5.
Reverse brake
6.
Forward brake
7.
Low coast brake
8.
1st one-way clutch
9.
Forward one-way clutch
10. 3rd one-way clutch
11. Front sun gear
12. Input shaft
13.
Mid internal gear
14. Front internal gear
15. Rear carrier
16. Rear sun gear
17. Mid sun gear
18. Front carrier
19. Mid carrier
20. Rear internal gear
21. Output shaft
22. Parking gear
23. Parking pawl
PCIA0002J
Name of the Part
Abbreviation
Function
Front brake (1)
FR/B
Fastens the front sun gear (11).
Input clutch (2)
I/C
Connects the input shaft (12), the front internal gear (14) and the mid internal
gear (13).
Direct clutch (3)
D/C
Connects the rear carrier (15) and the rear sun gear (16).
High and low reverse clutch (4)
HLR/C
Connects the mid sun gear (17) and the rear sun gear (16).
Reverse brake (5)
R/B
Fastens the rear carrier (15).
Forward brake (6)
F/B
Fastens the mid sun gear (17).
Low coast brake (7)
LC/B
Fastens the mid sun gear (17).
1st one-way clutch (8)
1st/O.C
Allows the rear sun gear (16) to turn freely forward relative to the mid sun gear
(17) but fastens it for reverse rotation.
Forward one-way clutch (9)
F/O.C
Allows the mid sun gear (17) to turn freely in the forward direction but fastens it
for reverse rotation.
3rd one-way clutch (10)
3rd/O.C
Allows the front sun gear (11) to turn freely in the forward direction but fastens
it for reverse rotation.
Shift position
I/C
HLR/C
D/C
R/B
FR/B
LC/B
Fwd/B
1st
OWC
Fwd
OWC
3rd
OWC
Remarks
P
PARK POSITION
R
REVERSE PO-
SITION
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