Infiniti G37 Coupe. Manual — part 1336
SYSTEM SYMPTOM
TM-197
< SYMPTOM DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
30
Slips/Will
Not En-
gage
No shock at all or the
clutch slips when vehi-
cle changes speed D
4
→
D
5
or M4
→
M5.
ON vehicle
1. A/T fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
,
3. Front brake solenoid valve
4. Direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. Front brake (brake band)
11. Input clutch
12. Gear system
13. High and low reverse clutch
31
When accelerator
pedal is depressed
and speed is shifted to
D
5
→
D
4
or M5
→
M4
the engine idles or the
A/T slips.
ON vehicle
1. A/T fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
,
3. Front brake solenoid valve
4. Direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. Input clutch
11. Gear system
12. High and low reverse clutch
13. Direct clutch
No.
Item
Symptom
Condition
Diagnostic item
Reference
page
TM-198
< SYMPTOM DIAGNOSIS >
[5AT: RE5R05A]
SYSTEM SYMPTOM
32
Slips/Will
Not En-
gage
When accelerator
pedal is depressed
and speed is shifted to
D
4
→
D
3
or M4
→
M3
the engine idles or the
A/T slips.
ON vehicle
1. A/T fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. Input clutch solenoid valve
4. Front brake solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 3rd one-way clutch
11. Gear system
12. High and low reverse clutch
13. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
33
When accelerator
pedal is depressed
and speed is shifted to
D
3
→
D
2
or M3
→
M2
the engine idles or the
A/T slips.
ON vehicle
1. A/T fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
3. High and low reverse clutch solenoid valve
4. Direct clutch solenoid valve
5. CAN communication line
6. Line pressure test
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 3rd one-way clutch
11. Gear system
12. Direct clutch
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Item
Symptom
Condition
Diagnostic item
Reference
page
SYSTEM SYMPTOM
TM-199
< SYMPTOM DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
34
Slips/Will
Not En-
gage
When accelerator
pedal is depressed
and speed is shifted to
D
2
→
D
1
or M2
→
M1
the engine idles or the
A/T slips.
ON vehicle
1. A/T fluid level and state
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
,
3. Direct clutch solenoid valve
4. CAN communication line
5. Line pressure test
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. 3rd one-way clutch
10. 1st one-way clutch
11. Gear system
12. Reverse brake
13. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to
.)
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
35
With selector lever in
“D” position, accelera-
tion is extremely poor.
ON vehicle
1. A/T fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. PNP switch
6. A/T position
7. Control valve with TCM
OFF vehicle
8. Torque converter
9. Oil pump assembly
10. 1st one-way clutch
11. Gear system
12. Reverse brake
13. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to
.)
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Item
Symptom
Condition
Diagnostic item
Reference
page
TM-200
< SYMPTOM DIAGNOSIS >
[5AT: RE5R05A]
SYSTEM SYMPTOM
36
Slips/Will
Not En-
gage
With selector lever in
“R” position, accelera-
tion is extremely poor.
ON vehicle
1. A/T fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. High and low reverse clutch solenoid valve
5. CAN communication line
6. PNP switch
7. A/T position
8. Control valve with TCM
OFF vehicle
9. Gear system
10. Output shaft
11. Reverse brake
37
While starting off by
accelerating in 1st, en-
gine races or slippage
occurs.
ON vehicle
1. A/T fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Control valve with TCM
OFF vehicle
6. Torque converter
7. Oil pump assembly
8. 3rd one-way clutch
9. 1st one-way clutch
10. Gear system
11. Reverse brake
12. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
38
While accelerating in
2nd, engine races or
slippage occurs.
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. 3rd one-way clutch
10. Gear system
11. Direct clutch
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
No.
Item
Symptom
Condition
Diagnostic item
Reference
page
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