Nissan Titan. Manual — part 618
SYSTEM SYMPTOM
TM-155
< SYMPTOM DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
34
Slips/Will
Not En-
gage
When you press the
accelerator pedal and
shift speed D
2
→ D
1
the engine idles or the
transmission slips.
ON vehicle
1. Fluid level and state
2. Output speed sensor and vehicle speed signal
3. Direct clutch solenoid valve
4. CAN communication line
5. Line pressure test
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. 3rd one-way clutch
10. 1st one-way clutch
11. Gear system
12. Reverse brake
13. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
35
With selector lever in
“D” position, accelera-
tion is extremely poor.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Transmission range switch
6. Control cable adjustment
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 1st one-way clutch
11. Gear system
12. Reverse brake
13. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TM-156
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
36
Slips/Will
Not En-
gage
With selector lever in
“R” position, accelera-
tion is extremely poor.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. High and low reverse clutch solenoid valve
5. CAN communication line
6. Transmission range switch
7. Control cable adjustment
8. Control valve with TCM
OFF vehicle
9. Gear system
10. Output shaft
11. Reverse brake
37
While starting off by
accelerating in 1st, en-
gine races or slippage
occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Control valve with TCM
OFF vehicle
6. Torque converter
7. Oil pump assembly
8. 3rd one-way clutch
9. 1st one-way clutch
10. Gear system
11. Reverse brake
12. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
38
While accelerating in
2nd, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Direct clutch solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. 3rd one-way clutch
10. Gear system
11. Direct clutch
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
SYSTEM SYMPTOM
TM-157
< SYMPTOM DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
39
Slips/Will
Not En-
gage
While accelerating in
3rd, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. High and low reverse clutch solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. 3rd one-way clutch
10. Gear system
11. High and low reverse clutch
12. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
40
While accelerating in
4th, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Input clutch solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. Input clutch
10. Gear system
11. High and low reverse clutch
12. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TM-158
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
41
Slips/Will
Not En-
gage
While accelerating in
5th, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Front brake solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. Front brake (brake band)
10. Input clutch
11. Gear system
12. High and low reverse clutch
42
Slips at lock-up.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Engine speed signal
4. Input speed sensor
5. Torque converter clutch solenoid valve
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
43
No creep at all.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. Direct clutch solenoid valve
5. Transmission range switch
6. CAN communication line
7. Control cable adjustment
8. Control valve with TCM
OFF vehicle
9. Torque converter
10. Oil pump assembly
11. 1st one-way clutch
12. Gear system
13. Reverse brake
14. Direct clutch
15. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
16. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
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