Nissan Pathfinder (2007 year). Instruction — part 29

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-203

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 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-12, "Checking the A/T Fluid (ATF)"

.

OK or NG

OK

>> GO TO 2.

NG

>> Refill ATF.

2.

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

NO

>> GO TO 3.

3.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-52, "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-63,

"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-57, "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-85, "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-204

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

7.

DETECT MALFUNCTIONING ITEM

●

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

AT-63,

"Symptom Chart"

(Symptom No.65).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-205

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 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-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

NO

>> GO TO 2.

2.

CHECK OVERDRIVE CONTROL SWITCH CIRCUIT

Check overdrive control switch. Refer to

AT-173, "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-12, "Checking the A/T Fluid (ATF)"

.

OK or NG

OK

>> GO TO 4.

NG

>> Refill ATF.

4.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

AT-216, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 5.

NG

>> Adjust control cable. Refer to

AT-216, "Adjustment of A/T Position"

.

5.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-52, "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-63,

"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-60, "Cruise Test - Part 3"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

AT-206

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

8.

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to

AT-85, "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-63,

"Symptom Chart"

(Symptom No.14).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-207

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 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-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

NO

>> GO TO 2.

2.

CHECK A/T FLUID LEVEL

Check the A/T fluid level. Refer to

AT-12, "Checking the A/T Fluid (ATF)"

.

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

AT-216, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 4.

NG

>> Adjust control cable. Refer to

AT-216, "Adjustment of A/T Position"

.

4.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-52, "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-63,

"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-60, "Cruise Test - Part 3"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 7.

AT-208

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

7.

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to

AT-85, "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-63,

"Symptom Chart"

(Symptom No.15).

OK or NG

OK

>> GO TO 6.

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

2007 Pathfinder

A/T Does Not Shift: 3rd gear

→

2nd gear

ECS00ELH

SYMPTOM:

When shifted from 3

3

to 2

2

position, does not downshift from 3rd to 2nd gears.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Perform self-diagnosis. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

NO

>> GO TO 2.

2.

CHECK A/T FLUID LEVEL

Check the A/T fluid level. Refer to

AT-12, "Checking the A/T Fluid (ATF)"

.

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

AT-216, "Checking of A/T Position"

.

OK or NG

OK

>> GO TO 4.

NG

>> Adjust control cable. Refer to

AT-216, "Adjustment of A/T Position"

.

4.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-52, "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-63,

"Symptom Chart"

(Symptom No.16).

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.

6.

CHECK SYMPTOM

Check again. Refer to

AT-60, "Cruise Test - Part 3"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 7.

AT-210

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

7.

PERFORM TCM INSPECTION

1.

Perform TCM input/output signals inspection. Refer to

AT-85, "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-63,

"Symptom Chart"

(Symptom No.16).

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.