Infiniti G35 (V35). Manual - part 51

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-195

D

E

F

G

H

I

J

K

L

M

A

B

AT

6. 

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

 .

2.

Disassemble A/T. Refer to 

AT-263, "DISASSEMBLY"

 .

3.

Check the following.

–

Oil pump assembly. Refer to 

AT-279, "Oil Pump"

 .

–

Power train system. Refer to 

AT-263, "DISASSEMBLY"

 .

–

Transmission case. Refer to 

AT-263, "DISASSEMBLY"

 .

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-50, "A/T Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 11.

8. 

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to 

AT-60,

"Symptom Chart"

  (Symptom No.11).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

9. 

CHECK SYMPTOM

Check again. Refer to 

AT-56, "Cruise Test - Part 1"

 , 

AT-58, "Cruise Test - Part 2"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 10.

10. 

CHECK TCM 

1.

Check TCM input/output signals. Refer to 

AT-83, "TCM Input/Output Signal Reference Values"

 .

2.

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

11. 

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to 

AT-60,

"Symptom Chart"

  (Symptom No.11).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

AT-196

TROUBLE DIAGNOSIS FOR SYMPTOMS

A/T Does Not Shift: D

3

  

→

 D

4

NCS000I8

SYMPTOM:

The vehicle does not shift-up from the D

3

  to D

4

  gear at the specified speed.

DIAGNOSTIC PROCEDURE

1. 

CHECK SYMPTOM

Check if vehicle creeps forward in “D” position and vehicle can be started from D

1.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to 

AT-188, "Vehicle Does Not Creep Forward in “D” Position"

 , 

AT-190, "Vehicle Cannot Be

Started From D

1

"

 .

2. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-95, "Diagnostic Procedure

Without CONSULT-II"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-97,

"Judgment Self-diagnosis Code"

 .

NO

>> GO TO 3.

3. 

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-12, "Checking A/T Fluid"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Refill ATF.

4. 

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to 

AT-52, "LINE PRESSURE TEST"

 .

OK or NG

OK

>> GO TO 7.

NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.

5. 

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

 .

2.

Disassemble A/T. Refer to 

AT-263, "DISASSEMBLY"

 .

3.

Check the following.

–

Oil pump assembly. Refer to 

AT-279, "Oil Pump"

 .

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-197

D

E

F

G

H

I

J

K

L

M

A

B

AT

6. 

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

 .

2.

Disassemble A/T. Refer to 

AT-263, "DISASSEMBLY"

 .

3.

Check the following.

–

Oil pump assembly. Refer to 

AT-279, "Oil Pump"

 .

–

Power train system. Refer to 

AT-263, "DISASSEMBLY"

 .

–

Transmission case. Refer to 

AT-263, "DISASSEMBLY"

 .

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-50, "A/T Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 11.

8. 

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to 

AT-60,

"Symptom Chart"

  (Symptom No.12).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

9. 

CHECK SYMPTOM

Check again. Refer to 

AT-56, "Cruise Test - Part 1"

 , 

AT-58, "Cruise Test - Part 2"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 10.

10. 

CHECK TCM 

1.

Check TCM input/output signals. Refer to 

AT-83, "TCM Input/Output Signal Reference Values"

 .

2.

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

11. 

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to 

AT-60,

"Symptom Chart"

  (Symptom No.12).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

AT-198

TROUBLE DIAGNOSIS FOR SYMPTOMS

A/T Does Not Shift: D

4

  

→

 D

5

NCS000I9

SYMPTOM:

●

The vehicle does not shift-up from the D

4

 to D

5

 gear at the specified speed.

●

The vehicle does not shift-up from the D

4

  to D

5

 gear unless A/T is warmed up.

DIAGNOSTIC PROCEDURE

1. 

CHECK SYMPTOM

Check if vehicle creeps forward in “D” position and vehicle can be started from D

1.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to 

AT-188, "Vehicle Does Not Creep Forward in “D” Position"

 , 

AT-190, "Vehicle Cannot Be

Started From D

1

"

 .

2. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-95, "Diagnostic Procedure

Without CONSULT-II"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-97,

"Judgment Self-diagnosis Code"

 .

NO

>> GO TO 3.

3. 

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-12, "Checking A/T Fluid"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Refill ATF.

4. 

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to 

AT-52, "LINE PRESSURE TEST"

 .

OK or NG

OK

>> GO TO 7.

NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.

5. 

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

 .

2.

Disassemble A/T. Refer to 

AT-263, "DISASSEMBLY"

 .

3.

Check the following.

–

Oil pump assembly. Refer to 

AT-279, "Oil Pump"

 .

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.