2008 INFINITI FX35 sensor

TROUBLE DIAGNOSISAT-73
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
36
Slips/Will
Not En-
gage With selector lever in
“R” position
, accelera-
tion is extremely poor. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. High and low reverse clutch solenoid valveAT- 1 4 9
5. CAN communication line AT- 9 4
6. PNP switchAT- 1 0 2
7. A/T positionAT- 2 0 7
8. Control valve with TCMAT- 2 1 5
OFF vehicle9. Gear system
AT- 2 4 910. Output shaft AT- 2 6 7
11. Reverse brakeAT- 2 6 7
37While starting off by
accelerating in 1st, en-
gine races or slippage
occurs. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 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 clutchAT- 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
No. Items Symptom Condition Diagnostic Item
Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-74
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
38Slips/Will
Not En-
gage While accelerating in
2nd, engine races or
slippage occurs.
ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. Direct clutch solenoid valveAT- 1 4 7
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assemblyAT- 2 8 5
9. 3rd one-way clutchAT- 2 8 7
10. Gear systemAT- 2 4 9
11. Direct clutchAT- 3 0 3
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
39
While accelerating in
3rd, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. High and low reverse clutch solenoid valveAT- 1 4 9
6. Control valve with TCM AT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assemblyAT- 2 8 5
9. 3rd one-way clutchAT- 2 8 7
10. Gear systemAT- 2 4 9
11. High and low reverse clutchAT- 3 0 1
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
No. Items Symptom Condition Diagnostic Item
Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-75
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
40
Slips/Will
Not En-
gage While accelerating in
4th, engine races or
slippage occurs.
ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. Input clutch solenoid valveAT- 1 4 3
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assemblyAT- 2 8 5
9. Input clutchAT- 2 8 9
10. Gear systemAT- 2 4 9
11. High and low reverse clutchAT- 3 0 1
12. Direct clutchAT- 3 0 3
41While accelerating in
5th, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. Front brake solenoid valveAT- 1 4 5
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assembly AT- 2 8 5
9. Front brake (brake band)AT- 2 6 7
10. Input clutchAT- 2 8 9
11. Gear systemAT- 2 4 9
12. High and low reverse clutchAT- 3 0 1
42 Slips at lock-up.ON vehicle1. 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

AT-76
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
43Slips/Will
Not En-
gage No creep at all.
Refer to
AT- 1 7 5 , "
Ve-
hicle Does Not Creep
Backward in "R" Posi-
tion", AT- 1 7 8 , "Vehicle
Does Not Creep For-
ward in "D" Position"
ON vehicle 1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. Direct clutch solenoid valveAT- 1 4 7
5. PNP switchAT- 1 0 2
6. CAN communication line AT- 9 4
7. A/T positionAT- 2 0 7
8. Control valve with TCMAT- 2 1 5
OFF vehicle9. Torque converter
AT- 2 6 7
10. Oil pump assemblyAT- 2 8 5
11. 1st one-way clutchAT- 2 9 5
12. Gear systemAT- 2 4 9
13. Reverse brakeAT- 2 6 7
14. Direct clutchAT- 3 0 3
15. 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
16. 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
44
Vehicle cannot run in
all positions. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. PNP switchAT- 1 0 2
4. A/T positionAT- 2 0 7
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. Oil pump assembly
AT- 2 8 57. Gear systemAT- 2 4 9
8. Output shaftAT- 2 6 7
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-78
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
48Does Not
Change Does not change M4
→
M3.
Refer to AT- 1 9 7 , "A/T
Does Not Shift: 4th
Gear → 3rd Gear".ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 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
49Does not change M3
→
M2.
Refer to AT- 1 9 9 , "A/T
Does Not Shift: 3rd
Gear → 2nd Gear".ON vehicle
1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 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. High and low reverse clutchAT- 3 0 1
50Does not change M2
→
M1.
Refer to AT- 2 0 1 , "A/T
Does Not Shift: 2nd
Gear → 1st Gear".ON vehicle
1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Input clutch
AT- 2 8 98. High and low reverse clutchAT- 3 0 1
9. Direct clutchAT- 3 0 3
51Cannot be changed to
manual mode.
Refer to
AT- 1 9 5 , "Can-
not Be Changed to
Manual Mode". ON vehicle 1. Manual mode switch
AT- 1 5 5
2. Turbine revolution sensorAT- 1 0 6
3. CAN communication line AT- 9 4
52 OthersShift point is high in
“D” position.
ON vehicle1. Vehicle speed sensor A/T and vehicle speed sensor MTR
AT- 1 0 8
,
AT- 1 3 7
2. Accelerator pedal position sensor AT- 1 3 0
3. CAN communication line AT- 9 4
4. ATF temperature sensorAT- 1 3 2
5. Control valve with TCMAT- 2 1 5
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-79
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
53
Others Shift point is low in “D”
position.
ON vehicle1. Vehicle speed sensor A/T and vehicle speed sensor MTR
AT- 1 0 8
,
AT- 1 3 7
2. Accelerator pedal position sensor AT- 1 3 0
3. CAN communication line AT- 9 4
4. Control valve with TCMAT- 2 1 5
54Judder occurs during
lock-up. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. Turbine revolution sensorAT- 1 0 6
4. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 8,
AT- 1 3 7
5. Accelerator pedal position sensor AT- 1 3 0
6. CAN communication line AT- 9 4
7. Torque converter clutch solenoid valveAT- 1 2 4
8. Control valve with TCMAT- 2 1 5
OFF vehicle 9. Torque converter AT- 2 6 7
55Strange noise in “R”
position. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. CAN communication line AT- 9 4
4. Control valve with TCMAT- 2 1 5
OFF vehicle5. Torque converter
AT- 2 6 7
6. Oil pump assemblyAT- 2 8 5
7. Gear systemAT- 2 4 9
8. High and low reverse clutchAT- 3 0 1
9. Reverse brakeAT- 2 6 7
56Strange noise in “N”
position. ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. CAN communication line AT- 9 4
4. Control valve with TCMAT- 2 1 5
OFF vehicle5. Torque converter
AT- 2 6 76. Oil pump assemblyAT- 2 8 5
7. Gear systemAT- 2 4 9
No. Items Symptom Condition Diagnostic Item Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSISAT-81
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P61
Others Engine brake does not
work M3
→ M2. ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 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. High and low reverse clutchAT- 3 0 1
62Engine brake does not
work M2
→ M1. ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Input clutch
AT- 2 8 98. High and low reverse clutchAT- 3 0 1
9. Direct clutchAT- 3 0 3
63 Maximum speed low.ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. Direct clutch solenoid valveAT- 1 4 7
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assemblyAT- 2 8 5
9. Input clutchAT- 2 8 9
10. Gear systemAT- 2 4 9
11. High and low reverse clutchAT- 3 0 1
12. Direct clutchAT- 3 0 3
13. 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
14. 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-83
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
TCM Input/Output Signal Reference ValueINFOID:0000000001327162
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPECTION TABLE
68
Others Engine does not start
in “N” or “P” position.
Refer to
AT- 1 7 0 , "En-
gine Cannot Be Start-
ed in "P" or "N"
Position". ON vehicle
1. Ignition switch and starter
PG-3
,
SC-
8
2. A/T position AT- 2 0 7
3. PNP switchAT- 1 0 2
69Engine starts in posi-
tions other than “N” or
“P”. ON vehicle1. Ignition switch and starter
PG-3
,
SC-
8
2. A/T position AT- 2 0 7
3. PNP switchAT- 1 0 2
70 Engine stall.ON vehicle1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. Turbine revolution sensorAT- 1 0 6
4. Torque converter clutch solenoid valveAT- 1 2 4
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. Torque converter AT- 2 6 7
71Engine stalls when se-
lector lever shifted “N”
→
“D”, “R”. ON vehicle1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. Turbine revolution sensorAT- 1 0 6
4. Torque converter clutch solenoid valveAT- 1 2 4
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. Torque converter AT- 2 6 7
72Engine speed does
not return to idle.
Refer to
AT- 1 9 4 , "En-
gine Speed Does Not
Return to Idle". ON vehicle 1. A/T fluid level and state
AT- 4 9
2. Direct clutch solenoid valveAT- 1 4 7
3. Front brake solenoid valve AT- 1 4 5
4. Accelerator pedal position sensorAT- 1 3 0
5. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 3 7
6. CAN communication line AT- 9 4
7. Control valve with TCMAT- 2 1 5
OFF vehicle8. Front brake (brake band)
AT- 2 6 79. Direct clutchAT- 3 0 3
No. Items Symptom Condition Diagnostic Item Reference
page
SCIA1658E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C