Infiniti G37 Coupe. Manual - part 1334

2. A/T position

3. High and low reverse clutch solenoid valve

TM-153

4. CAN communication line

5. Engine speed signal

6. Turbine revolution sensor

7. Vehicle speed sensor A/T and vehicle speed sensor MTR

8. A/T fluid level and state

9. Control valve with TCM

OFF vehicle

10. High and low reverse clutch

Shock is too large
when changing D

→

or M3

→

M4.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. Input clutch solenoid valve

TM-150

4. CAN communication line

5. Engine speed signal

6. Turbine revolution sensor

7. Vehicle speed sensor A/T and vehicle speed sensor MTR

8. A/T fluid level and state

9. Control valve with TCM

OFF vehicle

10. Input clutch

Shock is too large
when changing D

→

orM4

→

M5.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. Front brake solenoid valve

4. CAN communication line

5. Engine speed signal

6. Turbine revolution sensor

7. Vehicle speed sensor A/T and vehicle speed sensor MTR

8. A/T fluid level and state

9. Control valve with TCM

OFF vehicle

10. Front brake (brake band)

11. Input clutch

No.

Item

Symptom

Condition

Diagnostic item

Reference

page

TM-190

< SYMPTOM DIAGNOSIS >

[5AT: RE5R05A]

SYSTEM SYMPTOM

Shift
Shock

Shock is too large for
downshift when accel-
erator pedal is de-
pressed.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. CAN communication line

4. Engine speed signal

5. Turbine revolution sensor

6. Vehicle speed sensor A/T and vehicle speed sensor MTR

7. A/T fluid level and state

8. Control valve with TCM

OFF vehicle

9. Front brake (brake band)

10. Input clutch

11. High and low reverse clutch

12. Direct clutch

Shock is too large for
upshift when accelera-
tor pedal is released.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. Engine speed signal

4. CAN communication line

5. Turbine revolution sensor

6. Vehicle speed sensor A/T and vehicle speed sensor MTR

7. A/T fluid level and state

8. Control valve with TCM

OFF vehicle

9. Front brake (brake band)

10. Input clutch

11. High and low reverse clutch

12. Direct clutch

Shock is too large for
lock-up.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. Engine speed signal

4. CAN communication line

5. Turbine revolution sensor

6. Vehicle speed sensor A/T and vehicle speed sensor MTR

7. Torque converter clutch solenoid valve

TM-140

8. A/T fluid level and state

9. Control valve with TCM

OFF vehicle

10. Torque converter

TM-308

No.

Item

Symptom

Condition

Diagnostic item

Reference

page

SYSTEM SYMPTOM

TM-191

< SYMPTOM DIAGNOSIS >

[5AT: RE5R05A]

Shift
Shock

Shock is too large dur-
ing engine brake.

ON vehicle

1. Accelerator pedal position sensor

2. A/T position

3. CAN communication line

4. A/T fluid level and state

5. Control valve with TCM

OFF vehicle

6. Front brake (brake band)

7. Input clutch

8. High and low reverse clutch

9. Direct clutch

No Up
Shift

Gear does not change
from D

→

or from

→

M2.

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. Line pressure test

5. CAN communication line

6. Control valve with TCM

OFF vehicle

7. Direct clutch

Gear does not change
from D

→

or from

→

M3.

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

TM-153

4. Line pressure test

5. CAN communication line

6. Control valve with TCM

OFF vehicle

7. High and low reverse clutch

Gear does not change
from D

→

or from

→

M4.

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

TM-150

4. Front brake solenoid valve

5. Line pressure test

6. CAN communication line

7. Control valve with TCM

OFF vehicle

8. Input clutch

No Up
Shift

Gear does not change
from D

→

or from

→

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. Turbine revolution sensor

6. Line pressure test

7. CAN communication line

8. Control valve with TCM

OFF vehicle

9. Front brake (brake band)

10. Input clutch

No.

Item

Symptom

Condition

Diagnostic item

Reference

page

TM-192

< SYMPTOM DIAGNOSIS >

[5AT: RE5R05A]

SYSTEM SYMPTOM

No Down
Shift

In “D” or “M” position,
does not downshift to
4th gear.

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. Front brake (brake band)

9. Input clutch

In “D” or “M” position,
does not downshift to
3rd gear.

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

TM-150

4. Front brake solenoid valve

5. CAN communication line

6. Line pressure test

7. Control valve with TCM

OFF vehicle

8. Input clutch

In “D” or “M” position,
does not downshift to
2nd gear.

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

TM-153

4. CAN communication line

5. Line pressure test

6. Control valve with TCM

OFF vehicle

7. High and low reverse clutch

No Down
Shift

In “D” or “M” position,
does not downshift to
1st gear.

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. Direct clutch