Infiniti FX35 / FX45. Manual - part 68

AT-200

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS FOR SYMPTOMS

Check the A/T position. Refer to 

AT-207, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 4.

NG

>> Adjust A/T position. Refer to 

AT-207, "Adjustment of A/T

Position"

.

4.

CHECK MANUAL MODE SWITCH

Check the manual mode switch. Refer to 

AT-155

.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

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 6.

NG

>> GO TO 9.

6.

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.49).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

CHECK SYMPTOM

Check again. Refer to 

AT-53, "Road Test"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

8.

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.

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.49).

OK or NG

OK

>> GO TO 7.

SCIA2119E

SCIA5199E

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-201

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

NG

>> Repair or replace damaged parts.

A/T Does Not Shift: 2nd Gear 

→

 1st Gear

INFOID:0000000001327381

SYMPTOM:

When shifted from M2 to M1 position in manual mode, does not downshift from 2nd to 1st gear.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

 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 2.

2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-11, "Checking A/T Fluid"

.

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3.

CHECK A/T POSITION

Check the A/T position. Refer to 

AT-207, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 4.

NG

>> Adjust A/T position. Refer to 

AT-207, "Adjustment of A/T

Position"

.

4.

CHECK MANUAL MODE SWITCH

Check the manual mode switch. Refer to 

AT-155

.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

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

.

SAT638A

SCIA2119E

AT-202

< 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 6.

NG

>> GO TO 9.

6.

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.50).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

CHECK SYMPTOM

Check again. Refer to 

AT-53, "Road Test"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

8.

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.

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.50).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

Vehicle Does Not Decelerate by Engine Brake

INFOID:0000000001327382

SYMPTOM:

No engine brake is applied when the gear is shifted from the 2nd to 1st gear.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

 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 2.

SCIA5199E

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-203

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-11, "Checking A/T Fluid"

.

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3.

CHECK A/T POSITION

Check the A/T position. Refer to 

AT-207, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 4.

NG

>> Adjust A/T position. Refer to 

AT-207, "Adjustment of A/T

Position"

.

4.

CHECK MANUAL MODE SWITCH

Check the manual mode switch. Refer to 

AT-155

.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

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 6.

NG

>> GO TO 9.

6.

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.58).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

CHECK SYMPTOM

Check again. Refer to 

AT-53, "Road Test"

.

OK or NG

OK

>> INSPECTION END

SAT638A

SCIA2119E

SCIA5199E