Nissan Pathfinder (2007 year). Manual — part 13
TROUBLE DIAGNOSIS
AT-75
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 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
AT-76
TROUBLE DIAGNOSIS
2007 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
TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 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
AT-78
TROUBLE DIAGNOSIS
2007 Pathfinder
41
Slips/Will
Not
Engage
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. ATF pressure switch 1 and 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. 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
43
"Vehicle Does Not
Creep Backward In
“R” Position"
"Vehicle Does Not
Creep Forward In “D”
Position"
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. ATF pressure switch 5 and direct clutch solenoid valve
,
5. PNP 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
TROUBLE DIAGNOSIS
AT-79
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
44
Slips/Will
Not
Engage
Vehicle cannot run in
all positions.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. PNP switch
4. Control cable adjustment
5. Control valve with TCM
OFF vehicle
6. Oil pump assembly
7. Gear system
8. Output shaft
45
With selector lever in
“D” position, driving is
not possible.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. PNP switch
4. Control cable adjustment
5. Control valve with TCM
OFF vehicle
6. Torque converter
7. Oil pump assembly
8. 1st one-way clutch
9. Gear system
10. Reverse brake
11. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
46
With selector lever in
“R” position, driving is
not possible.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. PNP switch
4. Control cable adjustment
5. Control valve with TCM
OFF vehicle
6. Gear system
7. Output shaft
8. Reverse brake
47
Others
Shift point is high in
“D” position.
ON vehicle
1. Vehicle speed sensor A/T and vehicle speed sensor MTR
2. Accelerator pedal position sensor
3. CAN communication line
4. ATF temperature sensor
5. Control valve with TCM
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-80
TROUBLE DIAGNOSIS
2007 Pathfinder
48
Others
Shift point is low in “D”
position.
ON vehicle
1. Vehicle speed sensor A/T and vehicle speed sensor MTR
2. Accelerator pedal position sensor
3. CAN communication line
4. Control valve with TCM
49
Judder occurs during
lock-up.
ON vehicle
1. Fluid level and state
2. Engine speed signal
3. Turbine revolution sensor
4. Vehicle speed sensor A/T and vehicle speed sensor MTR
5. Accelerator pedal position sensor
6. CAN communication line
7. Torque converter clutch solenoid valve
8. Control valve with TCM
OFF vehicle
9. Torque converter
50
Strange noise in “R”
position.
ON vehicle
1. Fluid level and state
2. Engine speed signal
3. CAN communication line
4. Control valve with TCM
OFF vehicle
5. Torque converter
6. Oil pump assembly
7. Gear system
8. High and low reverse clutch
9. Reverse brake
51
Strange noise in “N”
position.
ON vehicle
1. Fluid level and state
2. Engine speed signal
3. CAN communication line
4. Control valve with TCM
OFF vehicle
5. Torque converter
6. Oil pump assembly
7. Gear system
52
Strange noise in “D”
position.
ON vehicle
1. Fluid level and state
2. Engine speed signal
3. CAN communication line
4. Control valve with TCM
OFF vehicle
5. Torque converter
6. Oil pump assembly
7. Gear system
8. 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-81
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
53
Others
Vehicle dose not
decelerate by engine
brake.
Refer to
"Vehicle Does Not
Decelerate By Engine
Brake"
ON vehicle
1. PNP switch
2. Fluid level and state
3. Control cable adjustment
4. 1st position switch
5. ATF pressure switch 5
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Input clutch
9. High and low reverse clutch
10. Direct clutch
54
Engine brake does
not operate in “2”
position.
ON vehicle
1. PNP switch
2. Fluid level and state
3. Control cable adjustment
5. ATF pressure switch 6
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Front brake (brake band)
9. Input clutch
10. High and low reverse clutch
55
Engine brake does
not operate in “1”
position.
ON vehicle
1. PNP switch
2. Fluid level and state
3. Control cable adjustment
4. 1st position switch
5. ATF pressure switch 5
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Input clutch
9. High and low reverse clutch
10. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-82
TROUBLE DIAGNOSIS
2007 Pathfinder
56
Others
Maximum speed low.
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. Input clutch
10. Gear system
11. High and low reverse clutch
12. Direct 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
57
Extremely large
creep.
ON vehicle
1. Engine idle speed
2. CAN communication line
3. ATF pressure switch 5
OFF vehicle
4. Torque converter
58
With selector lever in
“P” position, vehicle
does not enter parking
condition or, with
selector lever in
another position, park-
ing condition is not
cancelled.
Refer to
“P” Position, Vehicle
Moves When Pushed"
.
ON vehicle
1. PNP switch
2. Control cable adjustment
OFF vehicle
3. Parking pawl components
59
Vehicle runs with
transmission in “P”
position.
ON vehicle
1. PNP switch
2. Fluid level and state
3. Control cable adjustment
4. Control valve with TCM
5. Parking pawl components
OFF vehicle
6. Gear system
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
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