INFINITI FX35 2008 Service Manual

AT-58
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Vehicle Speed at Which Gear Shifting Occurs
INFOID:0000000001327159
2WD MODELS
 At half throttle, the accelerator opening is 4/8 of the full opening.
AWD MODELS
 At half throttle, the accelerator opening is 4/8 of the full opening.
 At half throttle, the accelerator opening is 4/8 of the full opening.
Vehicle Speed at Which Lock-up Occurs/ReleasesINFOID:0000000001327160
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.
AWD MODELS
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
D
1→ D2D2→D3D3→D4D4→D5D5→D4D4→D3D3→D2D2→D1
Full throttle 68 - 72
(42 - 45) 106 - 114
(66 - 71) 164 - 174
(102 - 108) 235 - 245
(146 - 152) 231 - 241
(144 - 150) 144 - 154
(89 - 96) 89 - 97
(55 - 60) 43 - 47
(27 - 29)
Half throttle 54 - 58
(34 - 36) 84 - 90
(52 - 56) 127 - 135
(79 - 84) 159 - 167
(99 - 104) 104 - 112
(65 - 70) 75 - 83
(47 - 52) 35 - 41
(22 - 25) 11 - 1 5
(7 - 9)
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
D
1→ D2D2→D3D3→D4D4→D5D5→D4D4→D3D3→D2D2→D1
Full throttle 62 - 66
(39 - 41) 96 - 104
(60 - 65) 149 - 159
(93 - 99) 213 - 223
(132 - 139) 209 - 219
(130 - 136) 131 - 141
(81 - 88) 81 - 89
(50 - 55) 39 - 43
(24 - 27)
Half throttle 49 - 53
(30 - 33) 76 - 82
(47 - 51) 115 - 123
(71 - 76) 144 - 152
(89 - 94) 95 - 103
(59 - 64) 67 - 75
(42 - 47) 32 - 38
(20 - 24) 11 - 1 5
(7 - 9)
Engine model VK45DE
Throttle position Vehicle speed km/h (MPH)
D
1→ D2D2→D3D3→D4D4→D5D5→D4D4→D3D3→D2D2→D1
Full throttle 59 - 63
(37 - 39) 95 - 103
(59 - 64) 147 - 157
(92 - 98) 219 - 229
(137 - 143) 215 - 225
(134 - 141) 130 - 140
(81 - 88) 82 - 90
(51 - 56) 35 - 39
(22 - 24)
Half throttle 48 - 52
(30 - 33) 78 - 84
(48 - 52) 122 - 130
(76 - 81) 154 - 162
(96 - 101) 122 - 130
(76 - 81) 68 - 76
(42 - 47) 40 - 46
(25 - 29) 9 - 13
(6 - 8)
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
Closed throttle 65 - 73 (4 0 - 45) 62 - 70 (39 - 43)
Half throttle 196 - 204 (122 - 127) 153 - 161 (95 - 100)
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
Closed throttle 59 - 67 (3 7 - 42) 56 - 64 (35 - 40)
Half throttle 178 - 186 (111 - 116) 139 - 147 (86 - 91)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-59
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
 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.
 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.
Symptom ChartINFOID:0000000001327161
 The diagnostics item numbers show the sequence for inspection. Check in order from item 1.
 Overhaul and check inside the A/T only if A/T fluid condition is NG. Refer to AT-49, "
Inspections Before Trou-
ble Diagnosis".
Engine model VK45DE
Throttle positionVehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
Closed throttle 66 - 74 (41 - 46) 53 - 61 (33 - 38)
Half throttle 191 - 199 (119 - 124) 145 - 153 (90 - 95)
No. Items Symptom Condition Diagnostic Item Reference
page
1 Shift
Shock Large shock. (“N”
→
“D” position)
Refer to AT- 1 7 3 ,
"Large Shock ("N" to
"D" Position)". ON vehicle 1. Engine idle speed
EC-84
(for
VQ35DE)
or EC-661

(for
VK45DE)
2. Engine speed signal AT- 11 2
3. Accelerator pedal position sensorAT- 1 3 0
4. A/T positionAT- 2 0 7
5. A/T fluid temperature sensorAT- 1 3 2
6. Front brake solenoid valveAT- 1 4 5
7. CAN communication line AT- 9 4
8. A/T fluid level and stateAT- 4 9
9. Line pressure testAT- 4 9
10. Control valve with TCMAT- 2 1 5
OFF vehicle11. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
2
Shock is too large
when changing D1
→
D
2 or M1 → M2. ON vehicle 1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. Direct clutch solenoid valveAT- 1 4 7
4. CAN communication line AT- 9 4
5. Engine speed signalAT- 11 2
6. Turbine revolution sensorAT- 1 0 6
7. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
8. A/T fluid level and state AT- 4 9
9. Control valve with TCMAT- 2 1 5
OFF vehicle 10. Direct clutch AT- 3 0 3
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-60
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
3Shift
Shock Shock is too large
when changing D2
→
D
3 or M2 → M3. ON vehicle 1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3.High and low reverse clutch solenoid valveAT- 1 4 9
4. CAN communication line AT- 9 4
5. Engine speed signalAT- 11 2
6. Turbine revolution sensorAT- 1 0 6
7. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
8. A/T fluid level and state AT- 4 9
9. Control valve with TCMAT- 2 1 5
OFF vehicle 10. High and low reverse clutch AT- 3 0 1
4Shock is too large
when changing D3
→
D
4 or M3 → M4. ON vehicle 1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. Input clutch solenoid valveAT- 1 4 3
4. CAN communication line AT- 9 4
5. Engine speed signalAT- 11 2
6. Turbine revolution sensorAT- 1 0 6
7. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
8. A/T fluid level and state AT- 4 9
9. Control valve with TCMAT- 2 1 5
OFF vehicle 10. Input clutch AT- 2 8 9
5Shock is too large
when changing D4
→
D
5 or M4 → M5. ON vehicle1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. Front brake solenoid valveAT- 1 4 5
4. CAN communication line AT- 9 4
5. Engine speed signalAT- 11 2
6. Turbine revolution sensorAT- 1 0 6
7. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
8. A/T fluid level and state AT- 4 9
9. Control valve with TCMAT- 2 1 5
OFF vehicle10. Front brake (brake band)
AT- 2 4 911. Input clutchAT- 2 8 9
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-61
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
6
Shift
Shock Shock is too large for
downshift when accel-
erator pedal is
pressed.
ON vehicle1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. CAN communication line AT- 9 4
4. Engine speed signalAT- 11 2
5. Turbine revolution sensorAT- 1 0 6
6. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
7. A/T fluid level and state AT- 4 9
8. Control valve with TCMAT- 2 1 5
OFF vehicle9. Front brake (brake band)
AT- 2 4 910. Input clutch AT- 2 8 9
11. High and low reverse clutchAT- 3 0 1
12. Direct clutchAT- 3 0 3
7Shock is too large for
upshift when accelera-
tor pedal is released. ON vehicle1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. Engine speed signal AT- 11 2
4. CAN communication line AT- 9 4
5. Turbine revolution sensorAT- 1 0 6
6. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
7. A/T fluid level and state AT- 4 9
8. Control valve with TCMAT- 2 1 5
OFF vehicle9. Front brake (brake band)
AT- 2 4 910. Input clutch AT- 2 8 9
11. High and low reverse clutch AT- 3 0 1
12. Direct clutch AT- 3 0 3
8Shock is too large for
lock-up. ON vehicle1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. Engine speed signal AT- 11 2
4. CAN communication line AT- 9 4
5. Turbine revolution sensorAT- 1 0 6
6. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
7. Torque converter clutch solenoid valve AT- 1 2 4
8. A/T fluid level and state AT- 4 9
9. Control valve with TCMAT- 2 1 5
OFF vehicle 10. Torque converter AT- 2 6 7
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-62
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
9Shift
Shock Shock is too large dur-
ing engine brake. ON vehicle
1. Accelerator pedal position sensor
AT- 1 3 0
2. A/T positionAT- 2 0 7
3. CAN communication line AT- 9 4
4. A/T fluid level and stateAT- 4 9
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. Front brake (brake band)
AT- 2 4 97. Input clutch AT- 2 8 9
8. High and low reverse clutchAT- 3 0 1
9. Direct clutch AT- 3 0 3
10
No Up
Shift Gear does not change
from D
1 to D2 or from
M1to M2.
Refer to AT- 1 8 2 , "
A/T
Does Not Shift: D1→
D2". ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 3 7
3. Direct clutch solenoid valveAT- 1 4 7
4. Line pressure test AT- 4 9
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. Direct clutch AT- 3 0 3
11Gear does not change
from D
2 to D3 or from
M2 to M3.
Refer to AT- 1 8 4 , "
A/T
Does Not Shift: D2→
D3". ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. High and low reverse clutch solenoid valve AT- 1 4 9
4. Line pressure test AT- 4 9
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. High and low reverse clutch AT- 3 0 1
12Gear does not change
from D
3 to D4 or from
M3 to M4.
Refer to AT- 1 8 6 , "
A/T
Does Not Shift: D3→
D4". ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Input clutch solenoid valve AT- 1 4 3
4. Front brake solenoid valveAT- 1 4 5
5. Line pressure test AT- 4 9
6. CAN communication lineAT- 9 4
7. Control valve with TCMAT- 2 1 5
OFF vehicle 8. Input clutch AT- 2 8 9
13No Up
Shift Gear does not change
from D
4 to D5 or from
M4 to M5.
Refer to AT- 1 8 8 , "
A/T
Does Not Shift: D4→
D5". ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Front brake solenoid valve AT- 1 4 5
4. Direct clutch solenoid valveAT- 1 4 7
5. Turbine revolution sensorAT- 1 0 6
6. Line pressure test AT- 4 9
7. CAN communication lineAT- 9 4
8. Control valve with TCMAT- 2 1 5
OFF vehicle9. Front brake (brake band)
AT- 2 6 710. Input clutchAT- 2 8 9
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-63
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P14
No Down
Shift In “D” or “M” position,
does not downshift to
4th gear.
ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7

3. Front brake solenoid valve AT- 1 4 5
4. Direct clutch solenoid valveAT- 1 4 7
5. CAN communication line AT- 9 4
6. Line pressure testAT- 4 9
7. Control valve with TCMAT- 2 1 5
OFF vehicle8. Front brake (brake band)
AT- 2 6 79. Input clutchAT- 2 8 9
15In “D” or “M” position,
does not downshift to
3rd gear. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Input clutch solenoid valve AT- 1 4 3
4. Front brake solenoid valveAT- 1 4 5
5. CAN communication line AT- 9 4
6. Line pressure testAT- 4 9
7. Control valve with TCMAT- 2 1 5
OFF vehicle 8. Input clutch AT- 2 8 9
16
No Down
Shift In “D” or “M” position,
does not downshift to
2nd gear.
ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7

3. High and low reverse clutch solenoid valve AT- 1 4 9
4. CAN communication line AT- 9 4
5. Line pressure testAT- 4 9
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. High and low reverse clutch AT- 3 0 1
17In “D” or “M” position,
does not downshift to
1st gear. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Direct clutch solenoid valve AT- 1 4 7
4. CAN communication line AT- 9 4
5. Line pressure testAT- 4 9
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. Direct clutch AT- 3 0 3
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-64
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
18Slips/Will
Not En-
gage When “D” or “M” posi-
tion, remains in 1st
gear. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Direct clutch solenoid valve AT- 1 4 7
4. Line pressure test AT- 4 9
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. 3rd one-way clutch
AT- 2 8 7
8. 1st one-way clutchAT- 2 9 5
9. Gear systemAT- 2 4 9
10. Reverse brakeAT- 2 6 7
11. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to AT-
16, "Cross-Sectional View (2WD Models)", AT- 1 7 , "Cross-
Sectional View (VQ35DE Models for AWD)" or AT- 1 8 , "Cross-
Sectional View (VK45DE Models for AWD)") AT- 2 6 7
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
No. Items Symptom Condition Diagnostic Item
Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-65
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
19
Slips/Will
Not En-
gage When “D” or “M” posi-
tion, remains in 2nd
gear.
ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Low coast brake solenoid valve AT- 1 5 1
4. Line pressure test AT- 4 9
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. 3rd one-way clutch
AT- 2 8 7
8. Gear systemAT- 2 4 9
9. Direct clutchAT- 3 0 3
10. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
20
When “D” or “M” posi-
tion, remains in 3rd
gear. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Line pressure test AT- 4 9
4. CAN communication lineAT- 9 4
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. 3rd one-way clutch
AT- 2 8 7
7. Gear systemAT- 2 4 9
8. High and low reverse clutchAT- 3 0 1
9. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to AT-
16, "Cross-Sectional View (2WD Models)", AT- 1 7 , "Cross-
Sectional View (VQ35DE Models for AWD)" or AT- 1 8 , "Cross-
Sectional View (VK45DE Models for AWD)") AT- 2 6 7
10. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
No. Items Symptom Condition Diagnostic Item
Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-66
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
21Slips/Will
Not En-
gage When “D” or “M” posi-
tion, remains in 4th
gear.
ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
3. Input clutch solenoid valve AT- 1 4 3
4. Direct clutch solenoid valveAT- 1 4 7
5. High and low reverse clutch solenoid valveAT- 1 4 9
6. Low coast brake solenoid valveAT- 1 5 1
7. Front brake solenoid valveAT- 1 4 5
8. Line pressure test AT- 4 9
9. CAN communication lineAT- 9 4
10. Control valve with TCMAT- 2 1 5
OFF vehicle11. Input clutch
AT- 2 8 912. Gear systemAT- 2 4 9
13. High and low reverse clutchAT- 3 0 1
14. Direct clutchAT- 3 0 3
22When “D” or “M” posi-
tion, remains in 5th
gear. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7

3. Front brake solenoid valve AT- 1 4 5
4. Line pressure test AT- 4 9
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Front brake (brake band)
AT- 2 6 78. Input clutchAT- 2 8 9
9. Gear systemAT- 2 4 9
10. High and low reverse clutchAT- 3 0 1
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-67
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
23
Slips/Will
Not En-
gage Vehicle cannot be
started from D
1.
Refer to AT- 1 8 0 , "
Ve-
hicle Cannot Be Start-
ed from D1". ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Accelerator pedal position sensorAT- 1 3 0
3. Line pressure test AT- 4 9
4. CAN communication lineAT- 9 4
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. Torque converter
AT- 2 6 7
7. Oil pump assemblyAT- 2 8 5
8. 3rd one-way clutchAT- 2 8 7
9. 1st one-way clutch AT- 2 9 5
10. Gear systemAT- 2 4 9
11. Reverse brakeAT- 2 6 7
12. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to AT-
16, "Cross-Sectional View (2WD Models)", AT- 1 7 , "Cross-
Sectional View (VQ35DE Models for AWD)" or AT- 1 8 , "Cross-
Sectional View (VK45DE Models for AWD)") AT- 2 6 7
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
24
Does not lock-up.
Refer to
AT- 1 9 0 , "A/T
Does Not Lock-up".ON vehicle 1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Engine speed signalAT- 11 2
4. Turbine revolution sensorAT- 1 0 6
5. Torque converter clutch solenoid valveAT- 1 2 4
6. CAN communication line AT- 9 4
7. Control valve with TCMAT- 2 1 5
OFF vehicle8. Torque converter
AT- 2 6 79. Oil pump assemblyAT- 2 8 5
25Does not hold lock-up
condition.
Refer to
AT- 1 9 2 , "A/T
Does Not Hold Lock-
up Condition". ON vehicle 1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Engine speed signalAT- 11 2
4. Turbine revolution sensorAT- 1 0 6
5. Torque converter clutch solenoid valveAT- 1 2 4
6. CAN communication line AT- 9 4
7. Control valve with TCMAT- 2 1 5
OFF vehicle8. Torque converter
AT- 2 6 79. Oil pump assemblyAT- 2 8 5
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C