Nissan Pathfinder (2006 year). Instruction — part 9
TROUBLE DIAGNOSIS
AT-63
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
Vehicle Speed at Which Gear Shifting Occurs
ECS00EFC
2WD MODELS
●
At half throttle, the accelerator opening is 4/8 of the full opening.
4WD MODELS
●
At half throttle, the accelerator opening is 4/8 of the full opening.
Vehicle Speed at Which Lock-up Occurs/Releases
ECS00EFD
2WD MODELS
●
At closed throttle, the accelerator opening is less than 1/8 condition. (Closed throttle position signal: OFF)
●
At half throttle, the accelerator opening is 4/8 of the full opening.
4WD MODELS
●
At closed throttle, the accelerator opening is less than 1/8 condition. (Closed throttle position signal: OFF)
●
At half throttle, the accelerator opening is 4/8 of the full opening.
Final
gear
ratio
Tire Size
Throttle
position
Vehicle speed km/h (MPH)
D
1
→
D
2
D
2
→
D
3
D
3
→
D
4
D
4
→
D
5
D
5
→
D
4
D
4
→
D
3
D
3
→
D
2
D
2
→
D
1
3.133
P265/75R16
Full throttle
60 - 74
(37 - 47)
99 - 119
(61 - 75)
153 - 183
(95 - 115)
234 - 267
(145 - 167)
230 - 264
(143 - 165)
142 - 171
(88 - 107)
87 - 104
(54 - 65)
41 - 48
(25 - 30)
Half throttle
49 - 59
(30 - 37)
80 - 96
(50 - 60)
123 - 149
(76 - 94)
152 - 178
(95 - 112)
115 - 138
(71 - 87)
71 - 86
(44 - 54)
51 - 61
(31 - 39)
12 - 14
(7 - 9)
P265/70R16
P245/75R16
P265/65R17
Full throttle
60 - 68
(37 - 43)
99 - 110
(61 - 69)
153 - 170
(95 - 107)
234 - 259
(146 - 162)
230 - 255
(143 - 160)
142 - 158
(88 - 99)
87 - 97
(54 - 61)
41 - 47
(25 - 30)
Half throttle
49 - 55
(30 - 35)
80 - 90
(50 - 57)
123 - 137
(76 - 85)
152 - 168
(95 - 105)
115 - 128
(71 - 80)
71 - 79
(44 - 50)
51 - 57
(31 - 36)
12 - 14
(7 - 9)
Final
gear
ratio
Tire Size
Throttle
position
Vehicle speed km/h (MPH)
D
1
→
D
2
D
2
→
D
3
D
3
→
D
4
D
4
→
D
5
D
5
→
D
4
D
4
→
D
3
D
3
→
D
2
D
2
→
D
1
3.357
P265/65R17
P265/70R16
P245/75R16
Full throttle
58 - 65
(36 - 41)
94 - 104
(58 - 65)
144 - 160
(90 - 100)
221 - 245
(138 - 154)
218 - 241
(136 - 151)
135 - 150
(84 - 94)
82 - 92
(51 - 58)
40 - 45
(25 - 29)
Half throttle
46 - 52
(28 - 33)
76 - 84
(47 - 53)
117 - 130
(73 - 82)
143 - 159
(89 - 100)
109 - 121
(68 - 76)
67 - 75
(41 - 47)
48 - 54
(30 - 34)
12 - 14
(7 - 9)
P265/70R16
Full throttle
60 - 68
(37 - 43)
99 - 110
(61 - 69)
153 - 170
(95 - 107)
234 - 259
(146 - 162)
230 - 255
(143 - 160)
142 - 158
(88 - 99)
87 - 97
(54 - 61)
41 - 47
(25 - 30)
Half throttle
49 - 55
(30 - 35)
80 - 90
(50 - 57)
123 - 137
(76 - 86)
152 - 168
(95 - 105)
115 - 128
(71 - 80)
71 - 79
(44 - 50)
51 - 57
(31 - 36)
12 - 14
(7 - 9)
Final
gear
ratio
Tire Size
Throttle position
Vehicle speed km/h (MPH)
Lock-up “ON”
Lock-up “OFF”
3.133
P265/75R16
Closed throttle
78 - 93 (48 - 59)
68 - 82 (42 - 52)
Half throttle
188 - 218 (117 - 137)
147 - 175 (91 - 110)
P265/70R16
P245/75R16
P265/65R17
Closed throttle
78 - 87 (48 - 55)
68 - 76 (42 - 48)
Half throttle
188 - 208 (117 - 130)
147 - 163 (91 - 102)
Final
gear
ratio
Tire Size
Throttle position
Vehicle speed km/h (MPH)
Lock-up “ON”
Lock-up “OFF”
3.357
P265/65R17
P265/70R16
P245/75R16
Closed throttle
73 - 81 (45 - 51)
64 - 72 (40 - 45)
Half throttle
179 - 198 (111 - 124)
140 - 155 (87 - 97)
P245/75R16
Closed throttle
78 - 87 (48 - 55)
68 - 76 (42 - 48)
Half throttle
188 - 208 (117 - 130)
147 - 163 (91 - 102)
AT-64
TROUBLE DIAGNOSIS
2006 Pathfinder
Symptom Chart
ECS00EFE
●
The diagnostics item numbers show the sequence for inspection. Inspect in order from item 1.
●
Overhaul and inspect inside the A/T only if A/T fluid condition is NG. Refer to
.
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
1
Shift
Shock
Large shock. (“N”
→
“
"Large Shock (“N” to
“D” Position)"
.
ON vehicle
1. Engine idle speed
2. Engine speed signal
3. Accelerator pedal position sensor
4. Control cable adjustment
5. ATF temperature sensor
6. ATF pressure switch 1 and front brake solenoid valve
7. CAN communication line
8. Fluid level and state
9. Line pressure test
10. Control valve with TCM
OFF vehicle
11. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
2
Shock is too large
when changing D
1
→
D
2
.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. ATF pressure switch 5 and direct clutch solenoid valve
4. CAN communication line
5. Engine speed signal
6. Turbine revolution sensor
7. Vehicle speed sensor A/T and vehicle speed sensor MTR
8. Fluid level and state
9. Control valve with TCM
OFF vehicle
10. Direct clutch
3
Shock is too large
when changing D
2
→
D
3
.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve
4. CAN communication line
5. Engine speed signal
6. Turbine revolution sensor
7. Vehicle speed sensor A/T and vehicle speed sensor MTR
8. Fluid level and state
9. Control valve with TCM
OFF vehicle
10. High and low reverse clutch
TROUBLE DIAGNOSIS
AT-65
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
4
Shift
Shock
Shock is too large
when changing D
3
→
D
4
.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. ATF pressure switch 3 and input clutch solenoid valve
4. CAN communication line
5. Engine speed signal
6. Turbine revolution sensor
7. Vehicle speed sensor A/T and vehicle speed sensor MTR
8. Fluid level and state
9. Control valve with TCM
OFF vehicle
10. Input clutch
5
Shock is too large
when changing D
4
→
D
5
.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. ATF pressure switch 1 and front brake solenoid valve
4. CAN communication line
5. Engine speed signal
6. Turbine revolution sensor
7. Vehicle speed sensor A/T and vehicle speed sensor MTR
8. Fluid level and state
9. Control valve with TCM
OFF vehicle
10. Front brake (brake band)
11. Input clutch
6
Shock is too large for
downshift when accel-
erator pedal is
pressed.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. CAN communication line
4. Engine speed signal
5. Turbine revolution sensor
6. Vehicle speed sensor A/T and vehicle speed sensor MTR
7. Fluid level and state
8. Control valve with TCM
OFF vehicle
9. Front brake (brake band)
10. Input clutch
11. High and low reverse clutch
12. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-66
TROUBLE DIAGNOSIS
2006 Pathfinder
7
Shift
Shock
Shock is too large for
upshift when acceler-
ator pedal is released.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. Engine speed signal
4. CAN communication line
5. Turbine revolution sensor
6. Vehicle speed sensor A/T and vehicle speed sensor MTR
7. Fluid level and state
8. Control valve with TCM
OFF vehicle
9. Front brake (brake band)
10. Input clutch
11. High and low reverse clutch
12. Direct clutch
8
Shock is too large for
lock-up.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. Engine speed signal
4. CAN communication line
5. Turbine revolution sensor
6. Vehicle speed sensor A/T and vehicle speed sensor MTR
7. Torque converter clutch solenoid valve
8. Fluid level and state
9. Control valve with TCM
OFF vehicle
10. Torque converter
9
Shock is too large
during engine brake.
ON vehicle
1. Accelerator pedal position sensor
2. Control cable adjustment
3. CAN communication line
4. Fluid level and state
5. Control valve with TCM
OFF vehicle
6. Front brake (brake band)
7. Input clutch
8. High and low reverse clutch
9. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TROUBLE DIAGNOSIS
AT-67
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
10
No Up
Shift
Gear does not change
from D
1
→
D
2
.
Refer to
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. Line pressure test
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. Direct clutch
11
Gear does not change
from D
2
→
D
3
.
Refer to
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. Line pressure test
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. High and low reverse clutch
12
Gear does not change
from D
3
→
D
4
.
Refer to
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. Line pressure test
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Input clutch
13
Gear does not change
from D
4
→
D
5
.
Refer to
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. Turbine revolution sensor
6. Line pressure test
7. CAN communication line
8. Control valve with TCM
OFF vehicle
9. Front brake (brake band)
10. Input clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-68
TROUBLE DIAGNOSIS
2006 Pathfinder
14
No Down
Shift
In “D” range, does not
downshift to 4th gear.
Refer to
.
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. Front brake (brake band)
9. Input clutch
15
In “D” or “3”range,
does not downshift to
3rd gear.
Refer to
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. Input clutch
16
In “D” or “2” range,
does not downshift to
2nd gear.
Refer to
.
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. High and low reverse clutch
17
In “D” or “1” range,
does not downshift to
1st gear.
Refer to
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. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TROUBLE DIAGNOSIS
AT-69
D
E
F
G
H
I
J
K
L
M
A
B
AT
2006 Pathfinder
18
Slips/Will
Not
engage
When “D” position,
remains in 1st gear.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. Direct clutch solenoid valve
4. Line pressure test
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. 3rd one-way clutch
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
19
When “D” position,
remains in 2nd gear.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. Low coast brake solenoid valve
4. Line pressure test
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. 3rd one-way clutch
8. Gear system
9. Direct clutch
10. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-70
TROUBLE DIAGNOSIS
2006 Pathfinder
20
Slips/Will
Not
engage
When “D” position,
remains in 3rd gear.
ON vehicle
1. Fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. Line pressure test
4. CAN communication line
5. Control valve with TCM
OFF vehicle
6. 3rd one-way clutch
7. Gear system
8. High and low reverse clutch
9. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
10. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
21
When “D” position,
remains in 4th gear.
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 5 and direct clutch solenoid valve
5. ATF pressure switch 6, high and low reverse clutch sole-
noid valve
6. Low coast brake solenoid valve
7. Front brake solenoid valve
8. Line pressure test
9. CAN communication line
10. Control valve with TCM
OFF vehicle
11. Input clutch
12. Gear system
13. High and low reverse clutch
14. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
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