Nissan Frontier D22. Manual - part 98

TROUBLE DIAGNOSES FOR SYMPTOMS

AT-361

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

4. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan.

2.

Check A/T fluid condition.

OK or NG

OK

>> GO TO 5.

NG

>> 1. Disassemble A/T.

2. Check the following items:

–

Forward clutch assembly

–

Overrun clutch assembly

–

Reverse clutch assembly

5. 

CHECK SYMPTOM

Check again.

OK or NG

OK

>> INSPECTION END.

NG

>> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

SAT171B

AT-362

[RE4R01A]

TROUBLE DIAGNOSES FOR SYMPTOMS

5. Large Shock. N 

→ R Position

ECS007OB

SYMPTOM:

●

There is large shock when changing from N to R position.

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle
position sensor circuit?

Yes or No

Yes

>> Check damaged circuit. Refer to 

AT-255, "DTC P0710 A/T FLUID TEMPERATURE SENSOR

CIRCUIT"

 , 

AT-306, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

 , 

AT-321, "DTC P1705

THROTTLE POSITION SENSOR"

 .

No

>> GO TO 2.

2. 

CHECK THROTTLE POSITION SENSOR

Check throttle position sensor. Refer to 

EC-743, "DTC P0121 TP

SENSOR"

  (VG33E only) or 

EC-1350, "DTC P0121 TP SENSOR"

(VG33ER only).

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace throttle position sensor.

3. 

CHECK LINE PRESSURE

Check line pressure at idle with selector lever in D position. Refer to

AT-214, "Line Pressure Test"

 .

OK or NG

OK

>> GO TO 4.

NG

>> 1. Remove control valve assembly. Refer to 

AT-402,

"REMOVAL"

 .

2. Check the following items:

–

Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)

–

Line pressure solenoid valve

LAT456

AAT495A

SAT494G

TROUBLE DIAGNOSES FOR SYMPTOMS

AT-363

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

4. 

CHECK SYMPTOM

Check again.

OK or NG

OK

>> INSPECTION END.

NG

>> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

AT-364

[RE4R01A]

TROUBLE DIAGNOSES FOR SYMPTOMS

6. Vehicle Does Not Creep Backward In R Position

ECS007OC

SYMPTOM:

●

Vehicle does not creep backward when selecting R position.

1. 

CHECK A/T FLUID LEVEL

Check A/T fluid level again.

OK or NG

OK

>> GO TO 2.

NG

>> Refill ATF.

2. 

CHECK STALL TEST

Check stall revolution with selector lever in 1 and R positions.
Refer to 

AT-496, "Stall Revolution"

 .

OK or NG

OK

>> GO TO 3.

OK in 1 position, NG in R position>>1.Remove 

control 

valve

assembly. Refer to 

AT-402, "REMOVAL"

 .

2. Check the following items:

–

Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)

–

Line pressure solenoid valve

3. Disassemble A/T.

4. Check the following items:

–

Oil pump assembly

–

Torque converter

–

Reverse clutch assembly

–

High clutch assembly

NG in both 1 and R positions>> GO TO 6.

SAT638A

SAT493G