Infiniti FX35 / FX45. Manual - part 63

AT-180

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS FOR SYMPTOMS

2.

Check A/T fluid condition. Refer to 

AT-49, "Inspections Before

Trouble Diagnosis"

.

OK or NG

OK

>> GO TO 9.

NG

>> GO TO 12.

9.

DETECT MALFUNCTIONING ITEM

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

AT-59,

"Symptom Chart"

 (Symptom No.43).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

10.

CHECK SYMPTOM

Check again. Refer to “CHECK AT IDLE”.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 11.

11.

CHECK TCM

1.

Check TCM input/output signals. Refer to 

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

.

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.

12.

DETECT MALFUNCTIONING ITEM

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

AT-59,

"Symptom Chart"

 (Symptom No.43).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

Vehicle Cannot Be Started from D

1

INFOID:0000000001327368

SYMPTOM:

Vehicle cannot be started from D

1 

on “Cruise Test - Part 1” and “Cruise Test - Part2”.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE SYMPTOM

Check if vehicle creeps in “R” position.
OK or NG

OK

>> GO TO 2.

NG

>> Refer to 

AT-175, "Vehicle Does Not Creep Backward in "R" Position"

. 

2.

CHECK SELF-DIAGNOSTIC RESULTS

 With CONSULT-III

• Perform self-diagnosis.

 Without CONSULT-III

SCIA5199E

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-181

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

• Perform self-diagnosis. Refer to 

AT-91, "Diagnosis Procedure without CONSULT-III"

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-84, "CONSULT-III Function (TRANSMISSION)"

,

AT-91, "Diagnosis Procedure without CONSULT-III"

.

NO

>> GO TO 3.

3.

CHECK ACCELERATOR POSITION SENSOR

Check accelerator pedal position sensor. Refer to 

AT-130

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace accelerator pedal position sensor.

4.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-11, "Checking A/T Fluid"

.

OK or NG

OK

>> GO TO 5.

NG

>> Refill ATF.

5.

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to 

AT-49,

"Inspections Before Trouble Diagnosis"

.

OK or NG

OK

>> GO TO 8.

NG-1

>> Line pressure high: GO TO 6.

NG-2

>> Line pressure low: GO TO 7.

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to 

AT-267

.

3.

Check the following.

-

Oil pump assembly. Refer to 

AT-285, "Oil Pump"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

7.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to 

AT-267

.

3.

Check the following.

-

Oil pump assembly. Refer to 

AT-285, "Oil Pump"

.

-

Power train system. Refer to 

AT-267

.

-

Transmission case. Refer to 

AT-267

.

OK or NG

OK

>> GO TO 8.

SAT638A

SAT494G

AT-182

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS FOR SYMPTOMS

NG

>> Repair or replace damaged parts.

8.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to 

AT-49, "Inspections Before

Trouble Diagnosis"

.

OK or NG

OK

>> GO TO 9.

NG

>> GO TO 12.

9.

DETECT MALFUNCTIONING ITEM

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

AT-59,

"Symptom Chart"

 (Symptom No.23).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

10.

CHECK SYMPTOM

Check again. Refer to 

AT-53, "Road Test"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 11.

11.

CHECK TCM

1.

Check TCM input/output signals. Refer to 

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

.

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.

12.

DETECT MALFUNCTIONING ITEM

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

AT-59,

"Symptom Chart"

 (Symptom No.23).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

A/T Does Not Shift: D

1

→

 D

2

INFOID:0000000001327369

SYMPTOM:

The vehicle does not shift-up from the D

1

 to D

2

 gear at the specified speed.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE 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-178, "Vehicle Does Not Creep Forward in "D" Position"

, 

AT-180, "Vehicle Cannot Be

Started from D

1

"

.

2.

CHECK SELF-DIAGNOSTIC RESULTS

SCIA5199E

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-183

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

 With CONSULT-III

• Perform self-diagnosis.

 Without CONSULT-III

• Perform self-diagnosis. Refer to 

AT-91, "Diagnosis Procedure without CONSULT-III"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-84, "CONSULT-III Function (TRANSMISSION)"

,

AT-91, "Diagnosis Procedure without CONSULT-III"

.

NO

>> GO TO 3.

3.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-11, "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-49,

"Inspections Before Trouble Diagnosis"

.

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-215, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to 

AT-267

.

3.

Check the following.

-

Oil pump assembly. Refer to 

AT-285, "Oil Pump"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to 

AT-267

.

3.

Check the following.

-

Oil pump assembly. Refer to 

AT-285, "Oil Pump"

.

-

Power train system. Refer to 

AT-267

.

-

Transmission case. Refer to 

AT-267

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

SAT638A

SAT494G