Infiniti G35 (V35). Manual — part 22
TROUBLE DIAGNOSIS
AT-79
D
E
F
G
H
I
J
K
L
M
A
B
AT
58
Others
Vehicle does not
decelerate by engine
brake.
Refer to
"Vehicle Does Not
Decelerate by Engine
Brake"
.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Manual mode switch
5. ATF pressure switch 5
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Input clutch
9. High and low reverse clutch
10. Direct clutch
59
Engine brake does
not work M5
→
M4.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Manual mode switch
5. ATF pressure switch 1
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Front brake (brake band)
60
Engine brake does
not work M4
→
M3.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Manual mode switch
5. ATF pressure switch 1 and ATF pressure switch 3
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Front brake (brake band)
9. Input clutch
61
Engine brake does
not work M3
→
M2.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Manual mode switch
5. ATF pressure switch 6
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Front brake (brake band)
9. Input clutch
10. High and low reverse clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-80
TROUBLE DIAGNOSIS
62
Others
Engine brake does
not work M2
→
M1.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Manual mode switch
5. ATF pressure switch 5
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Input clutch
9. High and low reverse clutch
10. Direct clutch
63
Maximum speed low.
ON vehicle
1. A/T fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Direct clutch solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. Input clutch
10. Gear system
11. High and low reverse clutch
12. Direct clutch
13. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
64
Extremely large
creep.
ON vehicle
1. Engine idle speed
2. CAN communication line
3. ATF pressure switch 5
OFF vehicle
4. Torque converter
65
With selector lever in
“P” position, vehicle
does not enter parking
condition or, with
selector lever in
another position,
parking condition is
not cancelled.
ON vehicle
1. PNP switch
2. A/T position
3. Parking components
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
TROUBLE DIAGNOSIS
AT-81
D
E
F
G
H
I
J
K
L
M
A
B
AT
66
Others
Vehicle runs with A/T
in “P” position.
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Control valve with TCM
5. Parking components
OFF vehicle
6. Gear system
67
Vehicle runs with A/T
in “N” position.
Refer to
ON vehicle
1. PNP switch
2. A/T fluid level and state
3. A/T position
4. Control valve with TCM
OFF vehicle
5. Input clutch
6. Gear system
7. Direct clutch
8. Reverse brake
9. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
10. Low coast brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
68
Engine does not start
in “N” or “P” position.
Refer to
"Engine Cannot Be
Started in “P” or “N”
Position"
.
ON vehicle
1. Ignition switch and starter
2. A/T position
3. PNP switch
69
Engine starts in posi-
tions other than “N” or
“P”.
ON vehicle
1. Ignition switch and starter
2. A/T position
3. PNP switch
70
Engine stall.
ON vehicle
1. A/T fluid level and state
2. Engine speed signal
3. Turbine revolution sensor
4. Torque converter clutch solenoid valve
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. Torque converter
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
AT-82
TROUBLE DIAGNOSIS
71
Others
Engine stalls when
select lever shifted “N”
→
“D”, “R”.
ON vehicle
1. A/T fluid level and state
2. Engine speed signal
3. Turbine revolution sensor
4. Torque converter clutch solenoid valve
5. CAN communication line
6. Control valve with TCM
OFF vehicle
7. Torque converter
72
Engine speed does
not return to idle.
Refer to
"Engine Speed Does
Not Return to Idle"
.
ON vehicle
1. A/T fluid level and state
2. ATF pressure switch 5 and direct clutch solenoid valve
3. ATF pressure switch 1 and front brake solenoid valve
4. Accelerator pedal position sensor
5. Vehicle speed sensor A/T and vehicle speed sensor MTR
6. CAN communication line
7. Control valve with TCM
OFF vehicle
8. Front brake (brake band)
9. Direct clutch
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page
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