Nissan Frontier D22. Manual - part 103

 

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Nissan Frontier D22. Manual - part 103

 

 

TROUBLE DIAGNOSES FOR SYMPTOMS

AT-381

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

14. Lock-up Is Not Released

ECS007OK

SYMPTOM:

Lock-up is not released when accelerator pedal is released.

1. 

CHECK THROTTLE POSITION SWITCH CIRCUIT

 With CONSULT

Does “TCM INPUT SIGNALS” in Data Monitor show damage to closed throttle position switch circuit?

 Without CONSULT

Does self-diagnosis show damage to closed throttle position switch
circuit?

Yes or No

Yes

>> Check closed throttle position switch circuit. Refer to 

AT-

321, "DTC P1705 THROTTLE POSITION SENSOR"

 .

No

>> GO TO 2.

2. 

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.

SAT367J

AT-382

[RE4R01A]

TROUBLE DIAGNOSES FOR SYMPTOMS

15. Engine Speed Does Not Return To Idle (Light Braking D

4

  

 D

3

 )

ECS007OL

SYMPTOM:

 Engine speed does not smoothly return to idle when A/T shifts from D

4

  to D

3

 .

Vehicle does not decelerate by engine brake when turning overdrive control switch OFF.

Vehicle does not decelerate by engine brake when shifting A/T from D to 2 position.

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after Cruise Test?

Yes or No

Yes

>> Check overrun clutch solenoid valve circuit. Refer to 

AT-

329, "DTC P1760 OVERRUN CLUTCH SOLENOID
VALVE"

 .

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 A/T FLUID CONDITION

1.

Remove oil pan.

2.

Check A/T fluid condition.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 6.

SAT348H

AAT495A

SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS

AT-383

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

4. 

DETECT MALFUNCTIONING ITEM

1.

Remove control valve assembly. Refer to 

AT-402, "REMOVAL"

 .

2.

Check the following items:

Overrun clutch control valve

Overrun clutch reducing valve

Overrun clutch solenoid valve

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

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.

6. 

DETECT MALFUNCTIONING ITEM

1.

Remove control valve assembly. Refer to 

AT-402, "REMOVAL"

 .

2.

Check the following items:

Overrun clutch control valve

Overrun clutch reducing valve

Overrun clutch solenoid valve

3.

Disassemble A/T.

4.

Check the following items:

Overrun clutch assembly

Oil pump assembly

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

16. Vehicle Does Not Start From D

1

ECS007OM

SYMPTOM:

Vehicle does not start from D

1

  on Cruise Test — Part 2.

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-
olution sensor), shift solenoid valve A, B or vehicle speed sen-
sor·MTR after Cruise Test?

Yes or No

Yes

>> Check damaged circuit. Refer to 

AT-261, "DTC P0720

VEHICLE SPEED SENSOR·A/T (REVOLUTION SEN-
SOR)"

 , 

AT-311, "DTC P0750 SHIFT SOLENOID VALVE

A"

 , 

AT-316, "DTC P0755 SHIFT SOLENOID VALVE B"

 ,

or 

AT-340, "DTC VEHICLE SPEED SENSOR·MTR"

 .

No

>> GO TO 2.

SAT633I

AT-384

[RE4R01A]

TROUBLE DIAGNOSES FOR SYMPTOMS

2. 

CHECK SYMPTOM

Check again.

OK or NG

OK

>> Go to 

AT-369, "8. Vehicle Cannot Be Started From D

1

"

 .

NG

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

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

 

 

 

 

 

 

 

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