2006 INFINITI M35 Shift

TROUBLE DIAGNOSIS
AT-65
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 January2006 M35/M45
2
Shift
ShockShock is too large
when changing D1
D
2 or M1 M2 .ON vehicle1. Accelerator pedal position sensorAT-132
2. Control linkage adjustmentAT-227
3. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
4. CAN communication lineAT-105
5. Engine speed signalAT-124
6. Turbine revolution sensorAT- 11 7
7. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
8. A/T fluid level and stateAT- 5 3
9. Control valve with TCMAT-236
OFF vehicle 10. Direct clutchAT-337
3Shock is too large
when changing D2
D
3 or M2 M3 .ON vehicle1. Accelerator pedal position sensorAT-132
2. Control linkage adjustmentAT-227
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valveAT-178,
AT-159
4. CAN communication lineAT-105
5. Engine speed signalAT-124
6. Turbine revolution sensorAT- 11 7
7. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
8. A/T fluid level and stateAT- 5 3
9. Control valve with TCMAT-236
OFF vehicle 10. High and low reverse clutchAT-335
4Shock is too large
when changing D3
D
4 or M3 M4 .ON vehicle1. Accelerator pedal position sensorAT-132
2. Control linkage adjustmentAT-227
3. ATF pressure switch 3 and input clutch solenoid valveAT-174,
AT-147
4. CAN communication lineAT-105
5. Engine speed signalAT-124
6. Turbine revolution sensorAT- 11 7
7. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
8. A/T fluid level and stateAT- 5 3
9. Control valve with TCMAT-236
OFF vehicle 10. Input clutchAT-323
No. Item Symptom Condition Diagnostic ItemReference
page

AT-66
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
5
Shift
ShockShock is too large
when changing D4
D
5 or M4 M5 .ON vehicle1. Accelerator pedal position sensorAT- 1 3 2
2. Control linkage adjustmentAT- 2 2 7
3. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2,
AT- 1 5 1

4. CAN communication lineAT- 1 0 5
5. Engine speed signalAT- 1 2 4
6. Turbine revolution sensorAT- 11 7
7. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
8. A/T fluid level and stateAT- 5 3
9. Control valve with TCMAT- 2 3 6
OFF vehicle10. Front brake (brake band)AT- 2 9 811. Input clutchAT- 3 2 3
6Shock is too large for
downshift when accel-
erator pedal is
pressed.ON vehicle1. Accelerator pedal position sensorAT- 1 3 2
2. Control linkage adjustmentAT- 2 2 7
3. CAN communication lineAT- 1 0 5
4. Engine speed signalAT- 1 2 4
5. Turbine revolution sensorAT- 11 7
6. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
7. A/T fluid level and stateAT- 5 3
8. Control valve with TCMAT- 2 3 6
OFF vehicle9. Front brake (brake band)AT- 2 9 810. Input clutch AT- 3 2 3
11. High and low reverse clutchAT- 3 3 5
12. Direct clutchAT- 3 3 7
7Shock is too large for
upshift when acceler-
ator pedal is released.ON vehicle1. Accelerator pedal position sensorAT- 1 3 2
2. Control linkage adjustmentAT- 2 2 7
3. Engine speed signalAT- 1 2 4
4. CAN communication lineAT- 1 0 5
5. Turbine revolution sensorAT- 11 7
6. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
7. A/T fluid level and stateAT- 5 3
8. Control valve with TCMAT- 2 3 6
OFF vehicle9. Front brake (brake band)AT- 2 9 810. Input clutch AT- 3 2 3
11. High and low reverse clutch AT- 3 3 5
12. Direct clutch AT- 3 3 7
No. Item Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-67
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 January2006 M35/M45
8
Shift
ShockShock is too large for
lock-up.ON vehicle1. Accelerator pedal position sensorAT-132
2. Control linkage adjustmentAT-227
3. Engine speed signalAT-124
4. CAN communication lineAT-105
5. Turbine revolution sensorAT- 11 7
6. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
7. Torque converter clutch solenoid valveAT-126
8. A/T fluid level and stateAT- 5 3
9. Control valve with TCMAT-236
OFF vehicle 10. Torque converterAT-298
9Shock is too large
during engine brake.ON vehicle1. Accelerator pedal position sensorAT-132
2. Control linkage adjustmentAT-227
3. CAN communication lineAT-105
4. A/T fluid level and stateAT- 5 3
5. Control valve with TCMAT-236
OFF vehicle6. Front brake (brake band)AT-2987. Input clutch AT-323
8. High and low reverse clutchAT-335
9. Direct clutch AT-337
10
No Up
ShiftGear does not change
from D
1 D2 o r f ro m
M
1 M2 .
Refer to AT-201, "
A/T
Does Not Shift: D1
D2" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
4. Line pressure testAT- 5 5
5. CAN communication lineAT-105
6. Control valve with TCMAT-236
OFF vehicle 7. Direct clutchAT-337
11Gear does not change
from D
2 D3 o r f ro m
M
2 M3 .
Refer to AT-203, "
A/T
Does Not Shift: D2
D3" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valveAT-178,
AT-159
4. Line pressure testAT- 5 5
5. CAN communication lineAT-105
6. Control valve with TCMAT-236
OFF vehicle 7. High and low reverse clutchAT-335
No. Item Symptom Condition Diagnostic ItemReference
page

AT-68
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
12
No Up
ShiftGear does not change
from D
3 D4 o r f r o m
M
3 M4 .
Refer to AT-205, "
A/T
Does Not Shift: D3
D4" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
3. ATF pressure switch 3 and input clutch solenoid valveAT- 1 7 4,
AT- 1 4 7
4. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2,
AT- 1 5 1
5. Line pressure testAT- 5 5
6. CAN communication lineAT- 1 0 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle 8. Input clutchAT- 3 2 3
13Gear does not change
from D
4 D5 o r f r o m
M
4 M5 .
Refer to AT-207, "
A/T
Does Not Shift: D4
D5" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
3. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2,
AT- 1 5 1
4. ATF pressure switch 5 and direct clutch solenoid valveAT- 1 7 6,
AT- 1 5 5
5. Turbine revolution sensorAT- 11 7
6. Line pressure testAT- 5 5
7. CAN communication lineAT- 1 0 5
8. Control valve with TCMAT- 2 3 6
OFF vehicle9. Front brake (brake band)AT- 2 9 810. Input clutchAT- 3 2 3
14No Down
ShiftIn “D” or “M” position,
does not downshift to
4th gear.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0

3. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2
,
AT- 1 5 1
4. ATF pressure switch 5 and direct clutch solenoid valveAT- 1 7 6,
AT- 1 5 5
5. CAN communication lineAT- 1 0 5
6. Line pressure testAT- 5 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle8. Front brake (brake band)AT- 2 9 89. Input clutchAT- 3 2 3
No. Item Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-69
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 January2006 M35/M4515
No Down
ShiftIn “D” or “M” position,
does not downshift to
3rd gear.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 3 and input clutch solenoid valveAT-174,
AT-147
4. ATF pressure switch 1 and front brake solenoid valveAT-172,
AT-151
5. CAN communication lineAT-105
6. Line pressure testAT- 5 5
7. Control valve with TCMAT-236
OFF vehicle 8. Input clutchAT-323
16In “D” or “M” position,
does not downshift to
2nd gear.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140

3. ATF pressure switch 6, high and low reverse clutch sole-
noid valveAT-178
,
AT-159
4. CAN communication lineAT-105
5. Line pressure testAT- 5 5
6. Control valve with TCMAT-236
OFF vehicle 7. High and low reverse clutchAT-335
17In “D” or “M” position,
does not downshift to
1st gear.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
4. CAN communication lineAT-105
5. Line pressure testAT- 5 5
6. Control valve with TCMAT-236
OFF vehicle 7. Direct clutchAT-337
No. Item Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-75
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 January2006 M35/M45
30
Slips/Will
Not
EngageNo shock at all or the
clutch slips when
vehicle changes
speed D
4 D5 or
M
4 M5 .ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 1 and front brake solenoid valveAT-172,
AT-151
4. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
5. CAN communication lineAT-105
6. Line pressure testAT- 5 5
7. Control valve with TCMAT-236
OFF vehicle8. Torque converterAT-298
9. Oil pump assemblyAT-318
10. Front brake (brake band)AT-298
11. Input clutchAT-323
12. Gear systemAT-278
13. High and low reverse clutchAT-335
31When you press the
accelerator pedal and
shift speed D5 D4
or M
5 M4 the
engine idles or the A/
T slips.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 1 and front brake solenoid valveAT-172,
AT-151
4. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
5. CAN communication lineAT-105
6. Line pressure testAT- 5 5
7. Control valve with TCMAT-236
OFF vehicle8. Torque converterAT-298
9. Oil pump assemblyAT-318
10. Input clutchAT-323
11. Gear systemAT-278
12. High and low reverse clutchAT-335
13. Direct clutchAT-337
No. Item Symptom Condition Diagnostic ItemReference
page

AT-76
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
32
Slips/Will
Not
EngageWhen you press the
accelerator pedal and
shift speed D4 D3
or M
4 M3 the
engine idles or the A/
T slips.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
3. ATF pressure switch 3 and input clutch solenoid valveAT- 1 7 4,
AT- 1 4 7
4. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2,
AT- 1 5 1
5. CAN communication lineAT- 1 0 5
6. Line pressure testAT- 5 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle8. Torque converterAT- 2 9 8
9. Oil pump assemblyAT- 3 1 8
10. 3rd one-way clutchAT- 3 2 1
11. Gear systemAT- 2 7 8
12. High and low reverse clutchAT- 3 3 5
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "
Cross-Sectional View (VQ35DE Models for 2WD)" ,
AT-18, "
Cross-Sectional View (VK45DE Models for 2WD)" o r
AT-19, "
Cross-Sectional View (AWD Models)" .)AT- 2 9 8
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-Sectional View (VQ35DE Models for 2WD)" , AT-18,
"Cross-Sectional View (VK45DE Models for 2WD)" o r AT-19,
"Cross-Sectional View (AWD Models)" .)AT- 2 9 8
33When you press the
accelerator pedal and
shift speed D3 D2
or M
3 M2 the
engine idles or the A/
T slips.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valveAT- 1 7 8,
AT- 1 5 9
4. ATF pressure switch 5 and direct clutch solenoid valveAT- 1 7 6,
AT- 1 5 5
5. CAN communication lineAT- 1 0 5
6. Line pressure testAT- 5 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle8. Torque converterAT- 2 9 8
9. Oil pump assemblyAT- 3 1 8
10. 3rd one-way clutch AT- 3 2 1
11. Gear system
12. Direct clutchAT- 3 3 7
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-Sectional View (VQ35DE Models for 2WD)" , AT-18,
"Cross-Sectional View (VK45DE Models for 2WD)" o r AT-19,
"Cross-Sectional View (AWD Models)" .)AT- 2 9 8
No. Item Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 January2006 M35/M45
34
Slips/Will
Not
EngageWhen you press the
accelerator pedal and
shift speed D2 D1
or M
2 M1 the
engine idles or the A/
T slips.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT-140
3. ATF pressure switch 5 and direct clutch solenoid valveAT-176,
AT-155
4. CAN communication lineAT-105
5. Line pressure testAT- 5 5
6. Control valve with TCMAT-236
OFF vehicle7. Torque converterAT-298
8. Oil pump assemblyAT-318
9. 3rd one-way clutchAT-321
10. 1st one-way clutchAT-329
11. Gear systemAT-278
12. Reverse brakeAT-298
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 7 , "
Cross-Sectional View (VQ35DE Models for 2WD)" ,
AT- 1 8 , "
Cross-Sectional View (VK45DE Models for 2WD)" o r
AT- 1 9 , "
Cross-Sectional View (AWD Models)" .)AT-298
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-Sectional View (VQ35DE Models for 2WD)" , AT- 1 8 ,
"Cross-Sectional View (VK45DE Models for 2WD)" o r AT- 1 9 ,
"Cross-Sectional View (AWD Models)" .)AT-298
35With selector lever in
“D” position, accelera-
tion is extremely poor.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Line pressure testAT- 5 5
3. Accelerator pedal position sensorAT-132
4. CAN communication lineAT-105
5. PNP switchAT- 11 3
6. Control linkage adjustmentAT-227
7. Control valve with TCMAT-236
OFF vehicle8. Torque converterAT-298
9. Oil pump assemblyAT-318
10. 1st one-way clutchAT-329
11. Gear systemAT-278
12. Reverse brakeAT-298
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 7 , "
Cross-Sectional View (VQ35DE Models for 2WD)" ,
AT- 1 8 , "
Cross-Sectional View (VK45DE Models for 2WD)" o r
AT- 1 9 , "
Cross-Sectional View (AWD Models)" .)AT-298
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-Sectional View (VQ35DE Models for 2WD)" , AT- 1 8 ,
"Cross-Sectional View (VK45DE Models for 2WD)" o r AT- 1 9 ,
"Cross-Sectional View (AWD Models)" .)AT-298
No. Item Symptom Condition Diagnostic ItemReference
page