engine INFINITI FX35 2005 Repair Manual

TROUBLE DIAGNOSIS AT-75
D E
F
G H
I
J
K L
M A
B
AT
Revision: 2005 July 2005 FX
30
Slips/Will
Not
Engage No shock at all or the
clutch slips when
vehicle changes
speed D
4 → D5 or
M
4 → M5 . ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT-143
3. ATF pressure switch 1 and front brake solenoid valve AT-175,
AT-154
4. ATF pressure switch 5 and direct clutch solenoid valve AT-179,
AT-158
5. CAN communication line AT-106
6. Line pressure test AT- 5 4
7. Control valve with TCMAT-243
OFF vehicle 8. Torque converter
AT-290
9. Oil pump assemblyAT-308
10. Front brake (brake band)AT-290
11. Input clutchAT-313
12. Gear systemAT-278
13. High and low reverse clutchAT-323
31 When you press the
accelerator pedal and
shift speed D5 → D4
or M
5 → M4 the
engine idles or the
transmission slips. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT-143
3. ATF pressure switch 1 and front brake solenoid valve AT-175,
AT-154
4. ATF pressure switch 5 and direct clutch solenoid valve AT-179,
AT-158
5. CAN communication line AT-106
6. Line pressure test AT- 5 4
7. Control valve with TCMAT-243
OFF vehicle 8. Torque converter
AT-290
9. Oil pump assemblyAT-308
10. Input clutchAT-313
11. Gear systemAT-278
12. High and low reverse clutchAT-323
13. Direct clutchAT-326
No. Items Symptom Condition Diagnostic Item Reference
page

AT-76
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
32
Slips/Will
Not
Engage When pressing the
accelerator pedal and
shifting speed D4 →
D
3 or M4 → M3 the
engine idles or the
transmission slips. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT- 1 4 3
3. ATF pressure switch 3 and input clutch solenoid valve AT- 1 7 7,
AT- 1 5 0
4. ATF pressure switch 1 and front brake solenoid valve AT- 1 7 5,
AT- 1 5 4
5. CAN communication line AT- 1 0 6
6. Line pressure test AT- 5 4
7. Control valve with TCMAT- 2 4 3
OFF vehicle 8. Torque converter
AT- 2 9 0
9. Oil pump assemblyAT- 3 0 8
10. 3rd one-way clutch AT- 3 11
11. Gear systemAT- 2 7 8
12. High and low reverse clutchAT- 3 2 3
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-18, "
Cross-Sectional View (2WD Models)" or AT-19,
"Cross-Sectional View (AWD Models)" ) AT- 2 9 0
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT- 1 9 , "Cross-
Sectional View (AWD Models)" ) AT- 2 9 0
33 When pressing the
accelerator pedal and
shifting speed D3 →
D
2 or M3 → M2 the
engine idles or the
transmission slips. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT- 1 4 3
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve AT- 1 8 1,
AT- 1 6 2
4. ATF pressure switch 5 and direct clutch solenoid valve AT- 1 7 9,
AT- 1 5 8
5. CAN communication line AT- 1 0 6
6. Line pressure test AT- 5 4
7. Control valve with TCMAT- 2 4 3
OFF vehicle 8. Torque converter
AT- 2 9 0
9. Oil pump assemblyAT- 3 0 8
10. 3rd one-way clutch AT- 3 11
11. Gear systemAT- 2 7 8
12. Direct clutchAT- 3 2 6
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT- 1 9 , "Cross-
Sectional View (AWD Models)" ) AT- 2 9 0
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
Revision: 2005 July 2005 FX
34
Slips/Will
Not
Engage When pressing the
accelerator pedal and
shifting speed D2 →
D
1 or M2 → M1 the
engine idles or the
transmission slips. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT-143
3. ATF pressure switch 5 and direct clutch solenoid valve AT-179,
AT-158
4. CAN communication line AT-106
5. Line pressure test AT- 5 4
6. Control valve with TCMAT-243
OFF vehicle 7. Torque converter
AT-290
8. Oil pump assemblyAT-308
9. 3rd one-way clutch AT- 3 11
10. 1st one-way clutchAT-318
11. Gear systemAT-278
12. Reverse brakeAT-290
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 8 , "
Cross-Sectional View (2WD Models)" or AT- 1 9 ,
"Cross-Sectional View (AWD Models)" ) AT-290
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
35
With selector lever in
“D” position, accelera-
tion is extremely poor. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT-133
4. CAN communication lineAT-106
5. PNP switch AT- 11 4
6. Control linkage adjustmentAT-235
7. Control valve with TCMAT-243
OFF vehicle 8. Torque converter
AT-290
9. Oil pump assemblyAT-308
10. 1st one-way clutchAT-318
11. Gear systemAT-278
12. Reverse brakeAT-290
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 8 , "
Cross-Sectional View (2WD Models)" or AT- 1 9 ,
"Cross-Sectional View (AWD Models)" ) AT-290
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
No. Items Symptom Condition Diagnostic Item
Reference
page

AT-78
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
36
Slips/Will
Not
Engage With selector lever in
“R” position, accelera-
tion is extremely poor. ON vehicle 1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT- 1 3 3
4. ATF pressure switch 6, high and low reverse clutch sole-
noid valve AT- 1 8 1,
AT- 1 6 2
5. CAN communication line AT- 1 0 6
6. PNP switch AT- 11 4
7. Control linkage adjustmentAT- 2 3 5
8. Control valve with TCMAT- 2 4 3
OFF vehicle 9. Gear system
AT- 2 7 810. Output shaft AT- 2 9 0
11. Reverse brakeAT- 2 9 0
37 While starting off by
accelerating in 1st,
engine races or slip-
page occurs. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT- 1 3 3
4. CAN communication lineAT- 1 0 6
5. Control valve with TCMAT- 2 4 3
OFF vehicle 6. Torque converter
AT- 2 9 0
7. Oil pump assemblyAT- 3 0 8
8. 3rd one-way clutch AT- 3 11
9. 1st one-way clutchAT- 3 1 8
10. Gear systemAT- 2 7 8
11. Reverse brakeAT- 2 9 0
12. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-18, "
Cross-Sectional View (2WD Models)" or AT-19,
"Cross-Sectional View (AWD Models)" ) AT- 2 9 0
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT- 1 9 , "Cross-
Sectional View (AWD Models)" ) AT- 2 9 0
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
Revision: 2005 July 2005 FX
38
Slips/Will
Not
Engage While accelerating in
2nd, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT-133
4. CAN communication lineAT-106
5. ATF pressure switch 5 and direct clutch solenoid valve AT-179,
AT-158
6. Control valve with TCM AT-243
OFF vehicle 7. Torque converter
AT-290
8. Oil pump assemblyAT-308
9. 3rd one-way clutch AT- 3 11
10. Gear systemAT-278
11. Direct clutchAT-326
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
39
While accelerating in
3rd, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT-133
4. CAN communication lineAT-106
5. ATF pressure switch 6, high and low reverse clutch sole-
noid valve AT-181,
AT-162

6. Control valve with TCM AT-243
OFF vehicle 7. Torque converter
AT-290
8. Oil pump assemblyAT-308
9. 3rd one-way clutch AT- 3 11
10. Gear systemAT-278
11. High and low reverse clutchAT-323
12. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 8 , "
Cross-Sectional View (2WD Models)" or AT- 1 9 ,
"Cross-Sectional View (AWD Models)" ) AT-290
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
No. Items Symptom Condition Diagnostic Item
Reference
page

AT-80
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
40
Slips/Will
Not
Engage While accelerating in
4th, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT- 1 3 3
4. CAN communication lineAT- 1 0 6
5. ATF pressure switch 3 and input clutch solenoid valve AT- 1 7 7,
AT- 1 5 0
6. Control valve with TCM AT- 2 4 3
OFF vehicle 7. Torque converter
AT- 2 9 0
8. Oil pump assemblyAT- 3 0 8
9. Input clutchAT- 3 1 3
10. Gear systemAT- 2 7 8
11. High and low reverse clutchAT- 3 2 3
12. Direct clutchAT- 3 2 6
41 While accelerating in
5th, engine races or
slippage occurs. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT- 1 3 3
4. CAN communication lineAT- 1 0 6
5. ATF pressure switch 1 and front brake solenoid valve AT- 1 7 5,
AT- 1 5 4
6. Control valve with TCM AT- 2 4 3
OFF vehicle 7. Torque converter
AT- 2 9 0
8. Oil pump assembly AT- 3 0 8
9. Front brake (brake band)AT- 2 9 0
10. Input clutchAT- 3 1 3
11. Gear systemAT- 2 7 8
12. High and low reverse clutchAT- 3 2 3
42 Slips at lock-up. ON vehicle 1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Engine speed signalAT- 1 2 3
4. Turbine revolution sensorAT- 1 4 1
5. Torque converter clutch solenoid valveAT- 1 2 5
6. CAN communication lineAT- 1 0 6
7. Control valve with TCMAT- 2 4 3
OFF vehicle 8. Torque converter
AT- 2 9 09. Oil pump assemblyAT- 3 0 8
No. Items Symptom Condition Diagnostic Item Reference
page

AT-84
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
53
Others Shift point is low in “D”
position. ON vehicle 1. Vehicle speed sensor A/T and vehicle speed sensor MTR
AT- 11 8
,
AT- 1 4 3
2. Accelerator pedal position sensor AT- 1 3 3
3. CAN communication lineAT- 1 0 6
4. Control valve with TCMAT- 2 4 3
54 Judder occurs during
lock-up. ON vehicle 1. A/T fluid level and state
AT- 5 2
2. Engine speed signalAT- 1 2 3
3. Turbine revolution sensorAT- 1 4 1
4. Vehicle speed sensor A/T and vehicle speed sensor MTR AT- 11 8,
AT- 1 4 3
5. Accelerator pedal position sensor AT- 1 3 3
6. CAN communication lineAT- 1 0 6
7. Torque converter clutch solenoid valveAT- 1 2 5
8. Control valve with TCMAT- 2 4 3
OFF vehicle 9. Torque converter AT- 2 9 0
55 Strange noise in “R”
position. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Engine speed signalAT- 1 2 3
3. CAN communication lineAT- 1 0 6
4. Control valve with TCMAT- 2 4 3
OFF vehicle 5. Torque converter
AT- 2 9 0
6. Oil pump assemblyAT- 3 0 8
7. Gear systemAT- 2 7 8
8. High and low reverse clutchAT- 3 2 3
9. Reverse brakeAT- 2 9 0
56 Strange noise in “N”
position. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Engine speed signalAT- 1 2 3
3. CAN communication lineAT- 1 0 6
4. Control valve with TCMAT- 2 4 3
OFF vehicle 5. Torque converter
AT- 2 9 06. Oil pump assemblyAT- 3 0 8
7. Gear systemAT- 2 7 8
No. Items Symptom Condition Diagnostic Item Reference
page

TROUBLE DIAGNOSIS AT-85
D E
F
G H
I
J
K L
M A
B
AT
Revision: 2005 July 2005 FX57
Others Strange noise in “D”
position. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Engine speed signalAT-123
3. CAN communication lineAT-106
4. Control valve with TCMAT-243
OFF vehicle 5. Torque converter
AT-290
6. Oil pump assemblyAT-308
7. Gear systemAT-278
8. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
58 Vehicle does not
decelerate by engine
brake.
Refer to AT-231,
"Vehicle Does Not
Decelerate by Engine
Brake" . ON vehicle
1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT-235
4. Manual mode switchAT-170
5. ATF pressure switch 5AT-179
6. CAN communication lineAT-106
7. Control valve with TCMAT-243
OFF vehicle 8. Input clutch
AT-3139. High and low reverse clutchAT-323
10. Direct clutchAT-326
59 Engine brake does
not work M5 → M4. ON vehicle 1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT-235
4. Manual mode switchAT-170
5. ATF pressure switch 1AT-175
6. CAN communication lineAT-106
7. Control valve with TCMAT-243
OFF vehicle 8. Front brake (brake band) AT-290
60 Engine brake does
not work M4 → M3. ON vehicle 1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT-235
4. Manual mode switchAT-170
5. ATF pressure switch 1 and ATF pressure switch 3 AT-175,
AT-177
6. CAN communication line AT-106
7. Control valve with TCMAT-243
OFF vehicle 8. Front brake (brake band)
AT-2909. Input clutchAT-313
No. Items Symptom Condition Diagnostic Item Reference
page

AT-86
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
61
Others Engine brake does
not work M3 → M2. ON vehicle 1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT- 2 3 5
4. Manual mode switchAT- 1 7 0
5. ATF pressure switch 6AT- 1 8 1
6. CAN communication lineAT- 1 0 6
7. Control valve with TCMAT- 2 4 3
OFF vehicle 8. Front brake (brake band)
AT- 2 9 09. Input clutchAT- 3 1 3
10. High and low reverse clutchAT- 3 2 3
62 Engine brake does
not work M2 → M1. ON vehicle 1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT- 2 3 5
4. Manual mode switchAT- 1 7 0
5. ATF pressure switch 5AT- 1 7 9
6. CAN communication lineAT- 1 0 6
7. Control valve with TCMAT- 2 4 3
OFF vehicle 8. Input clutch
AT- 3 1 39. High and low reverse clutchAT- 3 2 3
10. Direct clutchAT- 3 2 6
63 Maximum speed low. ON vehicle
1. A/T fluid level and state
AT- 5 2
2. Line pressure testAT- 5 4
3. Accelerator pedal position sensorAT- 1 3 3
4. CAN communication lineAT- 1 0 6
5. Direct clutch solenoid valveAT- 1 5 8
6. Control valve with TCMAT- 2 4 3
OFF vehicle 7. Torque converter
AT- 2 9 0
8. Oil pump assemblyAT- 3 0 8
9. Input clutchAT- 3 1 3
10. Gear systemAT- 2 7 8
11. High and low reverse clutchAT- 3 2 3
12. Direct clutchAT- 3 2 6
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-18, "
Cross-Sectional View (2WD Models)" or AT-19,
"Cross-Sectional View (AWD Models)" ) AT- 2 9 0
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT- 1 9 , "Cross-
Sectional View (AWD Models)" ) AT- 2 9 0
No. Items Symptom Condition Diagnostic Item
Reference
page

TROUBLE DIAGNOSIS AT-87
D E
F
G H
I
J
K L
M A
B
AT
Revision: 2005 July 2005 FX
64
Others Extremely large
creep. ON vehicle 1. Engine idle speed EC-83
(for
VQ35DE)
or EC-774

(for
VK45DE)
2. CAN communication line AT-106
3. ATF pressure switch 5AT-179
OFF vehicle 4. Torque converter AT-290
65 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 AT-195, "
In
“P” Position, Vehicle
Moves When Pushed"
. ON vehicle
1. PNP switch
AT- 11 4
2. Control linkage adjustmentAT-235
OFF vehicle 3. Parking pawl components AT-
255(2WD
models) or AT-290

(AWD
models)
66 Vehicle runs with
transmission in “P”
position. ON vehicle
1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT-235
4. Control valve with TCMAT-243
OFF vehicle 5. Parking pawl components AT-
255(2WD
models) or
AT-290

(AWD
models)
6. Gear system AT-278
67 Vehicle runs with
transmission in “N”
position.
Refer to AT-196, "In
“N” Position, Vehicle
Moves" . ON vehicle
1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage adjustmentAT-235
4. Control valve with TCMAT-243
OFF vehicle 5. Input clutch
AT-313
6. Gear systemAT-278
7. Direct clutchAT-326
8. Reverse brakeAT-290
9. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 8 , "
Cross-Sectional View (2WD Models)" or AT- 1 9 ,
"Cross-Sectional View (AWD Models)" ) AT-290
10. Low coast brake (Parts behind drum support is impossi-
ble to perform inspection by disassembly. Refer to AT-18,
"Cross-Sectional View (2WD Models)" or AT-19, "Cross-
Sectional View (AWD Models)" ) AT-290
No. Items Symptom Condition Diagnostic Item
Reference
page