Nissan Pathfinder (2006 year). Manual - part 27

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-207

D

E

F

G

H

I

J

K

L

M

A

B

AT

2006 Pathfinder

7. 

DETECT MALFUNCTIONING ITEM

●

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

AT-64,

"Symptom Chart"

  (Symptom No.25).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

AT-208

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

Lock-up Is Not Released

ECS00ELD

SYMPTOM:

The lock-up condition cannot be cancelled even after releasing the accelerator pedal.

DIAGNOSTIC PROCEDURE

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

NO

>> GO TO 2.

2. 

CHECK SYMPTOM

Check again. Refer to 

AT-58, "Cruise Test - Part 1"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 3.

3. 

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to 

AT-86, "TCM Input/Output Signal Reference Val-

ues"

 .

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.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-209

D

E

F

G

H

I

J

K

L

M

A

B

AT

2006 Pathfinder

Engine Speed Does Not Return to Idle

ECS00ELE

SYMPTOM:

When a shift-down is performed, the engine speed does not smoothly return to the idling speed.

DIAGNOSTIC PROCEDURE

1. 

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Refill ATF.

2. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

NO

>> GO TO 3.

3. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-53, "Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 7.

4. 

DETECT MALFUNCTIONING ITEM

●

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

AT-64,

"Symptom Chart"

  (Symptom No.65).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5. 

CHECK SYMPTOM

Check again. Refer to 

AT-58, "Cruise Test - Part 1"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 6.

6. 

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to 

AT-86, "TCM Input/Output Signal Reference Val-

ues"

 .

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.

AT-210

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

7. 

DETECT MALFUNCTIONING ITEM

●

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

AT-64,

"Symptom Chart"

  (Symptom No.65).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-211

D

E

F

G

H

I

J

K

L

M

A

B

AT

2006 Pathfinder

A/T Does Not Shift: 5th gear 

→

 4th gear

ECS00ELF

SYMPTOM:

When shifted from D

5

  to D

4

  position, does not downshift from 5th to 4th gears.

DIAGNOSTIC PROCEDURE

1. 

CHECK SELF-DIAGNOSIS RESULTS

Perform self-diagnosis. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

NO

>> GO TO 2.

2. 

CHECK OVERDRIVE CONTROL SWITCH CIRCUIT

Check overdrive control switch. Refer to 

AT-179, "OVERDRIVE CONTROL SWITCH"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

3. 

CHECK A/T FLUID LEVEL

Check the A/T fluid level. Refer to 

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Refill ATF.

4. 

CHECK CONTROL CABLE

Check the control cable.

●

Refer to 

AT-222, "Checking of A/T Position"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Adjust control cable. Refer to 

AT-222, "Adjustment of A/T Position"

 .

5. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-53, "Fluid Condition Check"

 .

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-64,

"Symptom Chart"

  (Symptom No.14).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7. 

CHECK SYMPTOM

Check again. Refer to 

AT-61, "Cruise Test - Part 3"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

AT-212

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

8. 

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to 

AT-86, "TCM Input/Output Signal Reference Val-

ues"

 .

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-64,

"Symptom Chart"

  (Symptom No.14).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-213

D

E

F

G

H

I

J

K

L

M

A

B

AT

2006 Pathfinder

A/T Does Not Shift: 4th gear 

→

 3rd gear

ECS00ELG

SYMPTOM:

When shifted from D

4

  to 3

3

  position, does not downshift from 4th to 3rd gears.

DIAGNOSTIC PROCEDURE

1. 

CHECK SELF-DIAGNOSIS RESULTS

Perform self-diagnosis. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to 

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

 .

NO

>> GO TO 2.

2. 

CHECK A/T FLUID LEVEL

Check the A/T fluid level. Refer to 

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

 .

OK or NG

OK

>> GO TO 3.

 NG

>> Refill ATF.

3. 

CHECK CONTROL CABLE

Check the control cable.

●

Refer to 

AT-222, "Checking of A/T Position"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Adjust control cable. Refer to 

AT-222, "Adjustment of A/T Position"

 .

4. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-53, "Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 8.

5. 

DETECT MALFUNCTIONING ITEM

●

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

AT-64,

"Symptom Chart"

  (Symptom No.15).

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.

6. 

CHECK SYMPTOM

Check again. Refer to 

AT-61, "Cruise Test - Part 3"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 7.

AT-214

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

7. 

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to 

AT-86, "TCM Input/Output Signal Reference Val-

ues"

 .

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.

8. 

DETECT MALFUNCTIONING ITEM

●

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

AT-64,

"Symptom Chart"

  (Symptom No.15).

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.