Nissan Pathfinder (2007 year). Instruction — part 27

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-187

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AT

2007 Pathfinder

7.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

–

Power train system. Refer to

AT-258, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-258, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

8.

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 9.

NG

>> GO TO 12.

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.43).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

10.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Check at Idle"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 11.

11.

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.

12.

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.43).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

AT-188

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

Vehicle Cannot Be Started From D

1

ECS00EL6

SYMPTOM:

Vehicle cannot be started from D

1

on cruise test - Part 1 and cruise test - Part 2.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE SYMPTOM

Check if vehicle creeps in “R” position.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to

AT-183, "Vehicle Does Not Creep Backward In “R” Position"

.

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 ACCELERATOR PEDAL POSITION (APP) SENSOR

Check accelerator pedal position (APP) sensor. Refer to

AT-124, "DTC P1705 THROTTLE POSITION SEN-

SOR"

.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace accelerator pedal position (APP) sensor.

4.

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 5.

NG

>> Refill ATF.

5.

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-53, "LINE PRESSURE TEST"

.

OK or NG

OK

>> GO TO 8.

NG - 1 >> Line pressure high. GO TO 6.
NG - 2 >> Line pressure low. GO TO 7.

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-189

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B

AT

2007 Pathfinder

7.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

–

Power train system. Refer to

AT-258, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-258, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

8.

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 9.

NG

>> GO TO 12.

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.23).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

10.

CHECK SYMPTOM

Check again. Refer to

AT-57, "Cruise Test - Part 1"

,

AT-59, "Cruise Test - Part 2"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 11.

11.

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.

12.

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.23).

OK or NG

OK

>> GO TO 10.

NG

>> Repair or replace damaged parts.

AT-190

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

A/T Does Not Shift: D

1

→

D

2

ECS00EL7

SYMPTOM:

The vehicle does not shift-up from the D

1

to D

2

gear at the specified speed.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE SYMPTOM

Check if vehicle creeps forward in “D” position and vehicle can be started from D

1.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to

AT-186, "Vehicle Does Not Creep Forward In “D” Position"

,

AT-188, "Vehicle Cannot Be

Started From D

1

"

.

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 LEVEL

Check 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 LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-53, "LINE PRESSURE TEST"

.

OK or NG

OK

>> GO TO 7.

NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.

5.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-191

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B

AT

2007 Pathfinder

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

–

Power train system. Refer to

AT-258, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-258, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

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 8.

NG

>> GO TO 11.

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.10).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

9.

CHECK SYMPTOM

Check again. Refer to

AT-57, "Cruise Test - Part 1"

,

AT-59, "Cruise Test - Part 2"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 10.

10.

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.

11.

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.10).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

AT-192

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

A/T Does Not Shift: D

2

→

D

3

ECS00EL8

SYMPTOM:

The vehicle does not shift-up from D

2

to D

3

gear at the specified speed.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE SYMPTOM

Check if vehicle creeps forward in “D” position and vehicle can be started from D

1.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to

AT-186, "Vehicle Does Not Creep Forward In “D” Position"

,

AT-188, "Vehicle Cannot Be

Started From D

1

"

.

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 LEVEL

Check 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 LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-53, "LINE PRESSURE TEST"

.

OK or NG

OK

>> GO TO 7.

NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.

5.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-193

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B

AT

2007 Pathfinder

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

–

Power train system. Refer to

AT-258, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-258, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

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 8.

NG

>> GO TO 11.

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.11).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

9.

CHECK SYMPTOM

Check again. Refer to

AT-57, "Cruise Test - Part 1"

,

AT-59, "Cruise Test - Part 2"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 10.

10.

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.

11.

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.11).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

AT-194

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

A/T Does Not Shift: D

3

→

D

4

ECS00EL9

SYMPTOM:

●

The vehicle does not shift-up from the D

3

to D

4

gear at the specified speed.

DIAGNOSTIC PROCEDURE

1.

CONFIRM THE SYMPTOM

Check if vehicle creeps forward in “D” position and vehicle can be started from D

1.

OK or NG

OK

>> GO TO 2.

NG

>> Refer to

AT-186, "Vehicle Does Not Creep Forward In “D” Position"

,

AT-188, "Vehicle Cannot Be

Started From D

1

"

.

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 LEVEL

Check 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 LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-53, "LINE PRESSURE TEST"

.

OK or NG

OK

>> GO TO 7.

NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.

5.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

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

sor 2"

.

2.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.