Nissan Pathfinder (2006 year). Instruction — part 10
TROUBLE DIAGNOSIS
AT-71
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
22
Slips/Will
Not
Engage
When “D” position,
remains in 5th gear.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 1 and front brake solenoid valve
4. Line pressure test
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. Front brake (brake band)
8. Input clutch
9. Gear system
10. High and low reverse clutch
23
Vehicle cannot be
started from D
1
.
Refer to
"Vehicle Cannot Be
Started From D
.
ON vehicle
1. Fluid level and state
2. Accelerator pedal position sensor
3. Line pressure test
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
24
Does not lock-up.
Refer to
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Engine speed signal
4. Turbine revolution 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
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-72
TROUBLE DIAGNOSIS
2006 Pathfinder
25
Slips/Will
Not
engage
Does not hold lock-up
condition.
Refer to
Does Not Hold Lock-
up Condition"
.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Engine speed signal
4. Turbine revolution 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
26
Lock-up is not
released.
Refer to
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Engine speed signal
4. Turbine revolution 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
27
No shock at all or the
clutch slips when
vehicle changes
speed D
1
→
D
2
.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 5 and 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. 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
TROUBLE DIAGNOSIS
AT-73
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
28
Slips/Will
Not
engage
No shock at all or the
clutch slips when
vehicle changes
speed D
2
→
D
3
.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 6, high and low reverse clutch sole-
noid 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. 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
29
No shock at all or the
clutch slips when
vehicle changes
speed D
3
→
D
4
.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 3 and input clutch solenoid valve
4. ATF pressure switch 1 and front brake solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. Input clutch
11. Gear system
12. High and low reverse clutch
13. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-74
TROUBLE DIAGNOSIS
2006 Pathfinder
30
Slips/Will
Not
engage
No shock at all or the
clutch slips when
vehicle changes
speed D
4
→
D
5
.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 1 and front brake solenoid valve
4. ATF pressure switch 5 and direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. Front brake (brake band)
11. Input clutch
12. Gear system
13. High and low reverse clutch
31
When you press the
accelerator pedal and
shift speed D
5
→
D
4
the engine idles or the
transmission slips.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 1 and front brake solenoid valve
4. ATF pressure switch 5 and direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. Input clutch
11. Gear system
12. High and low reverse clutch
13. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TROUBLE DIAGNOSIS
AT-75
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
32
Slips/Will
Not
engage
When you press the
accelerator pedal and
shift speed D
4
→
D
3
the engine idles or the
transmission slips.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 3 and input clutch solenoid valve
4. ATF pressure switch 1 and front brake solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 3rd one-way clutch
11. Gear system
12. High and low reverse clutch
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
33
When you press the
accelerator pedal and
shift speed D
3
→
D
2
the engine idles or the
transmission slips.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve
4. ATF pressure switch 5 and direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 3rd one-way clutch
11. Gear system
12. Direct clutch
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-76
TROUBLE DIAGNOSIS
2006 Pathfinder
34
Slips/Will
Not
Engage
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. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. ATF pressure switch 5 and 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. PNP 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
TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
36
Slips/Will
Not
Engage
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. ATF pressure switch 6, high and low reverse clutch sole-
noid valve
5. CAN communication line
6. PNP 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,
engine races or slip-
page 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. ATF pressure switch 5 and 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
AT-78
TROUBLE DIAGNOSIS
2006 Pathfinder
39
Slips/Will
Not
Engage
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. ATF pressure switch 6, high and low reverse clutch sole-
noid 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. ATF pressure switch 3 and 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
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