Nissan Pathfinder (2007 year). Manual — part 26

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-179

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2007 Pathfinder

In “P” Position, Vehicle Moves When Pushed

ECS00EL1

SYMPTOM:

Even though the selector lever is set in the “P” position, the parking mechanism is not actuated,
allowing the vehicle to be moved when it is pushed.

DIAGNOSTIC PROCEDURE

1.

CHECK PNP SWITCH CIRCUIT

Perform self-diagnosis. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Do the self-diagnosis results indicate PNP switch?

YES

>> Check the malfunctioning system. Refer to

AT-105, "DTC P0705 PARK/NEUTRAL POSITION

SWITCH"

.

NO

>> GO TO 2.

2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

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

.

OK or NG

OK

>> GO TO 3.

NG

>> Adjust control cable. Refer to

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

.

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

>> INSPECTION END

NG

>> GO TO 4.

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.58).

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

AT-180

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

In “N” Position, Vehicle Moves

ECS00EL2

SYMPTOM:

Vehicle moves forward or backward when selecting “N” position.

DIAGNOSTIC PROCEDURE

1.

CHECK PNP SWITCH CIRCUIT

Perform self-diagnosis. Refer to

AT-88, "SELF-DIAGNOSTIC RESULT MODE"

.

Do the self-diagnostic results indicate PNP switch?

YES

>> Check the malfunctioning system. Refer to

AT-105, "DTC P0705 PARK/NEUTRAL POSITION

SWITCH"

.

NO

>> GO TO 2.

2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

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

.

OK or NG

OK

>> GO TO 3.

NG

>> Adjust control cable. Refer to

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

.

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 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

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

AT-63, "Symptom Chart"

(Symptom No.60).

5.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Check at Idle"

.

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.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-181

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2007 Pathfinder

Large Shock (“N” to “D” Position)

ECS00EL3

SYMPTOM:

A noticeable shock occurs when the selector lever is shifted from the “N” to “D” position.

DIAGNOSTIC PROCEDURE

1.

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 2.

2.

ENGINE IDLE SPEED

Check the engine idle speed. Refer to

EC-75, "Idle Speed and Ignition Timing Check"

.

OK or NG

OK

>> GO TO 3.

NG

>> Repair.

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 LEVEL

Check the 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 idle with selector lever in “D” position. 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.

AT-182

TROUBLE DIAGNOSIS FOR SYMPTOMS

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 10.

NG

>> GO TO 9.

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.1).

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.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-183

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2007 Pathfinder

Vehicle Does Not Creep Backward In “R” Position

ECS00EL4

SYMPTOM:

The vehicle does not creep in the “R” position. Or an extreme lack of acceleration is observed.

DIAGNOSTIC PROCEDURE

1.

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 2.

2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

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

.

OK or NG

OK

>> GO TO 3.

NG

>> Adjust control cable. Refer to

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

.

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 STALL TEST

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

AT-52, "STALL TEST"

.

OK or NG

OK

>> GO TO 6.

OK in “1” position, NG in “R” position>>GO TO 5.
NG in both “1” and “R” positions>>GO TO 8.

5.

DETECT MALFUNCTIONING ITEM

1.

Disassemble A/T. Refer to

AT-258, "DISASSEMBLY"

.

2.

Check the following items:

–

Reverse brake. Refer to

AT-258, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

6.

CHECK LINE PRESSURE

Check the line pressure with the engine idling. Refer to

AT-53, "LINE PRESSURE TEST"

.

OK or NG

OK

>> GO TO 9.

NG - 1 >> Line pressure high. GO TO 7.
NG - 2 >> Line pressure low. GO TO 8.

AT-184

TROUBLE DIAGNOSIS FOR SYMPTOMS

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"

.

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

8.

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 9.

NG

>> Repair or replace damaged parts.

9.

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 10.

NG

>> GO TO 13.

10.

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 11.

NG

>> Repair or replace damaged parts.

11.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Check at Idle"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 12.

12.

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.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-185

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AT

2007 Pathfinder

13.

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 11.

NG

>> Repair or replace damaged parts.

AT-186

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

Vehicle Does Not Creep Forward In “D” Position

ECS00EL5

SYMPTOM:

Vehicle does not creep forward when selecting “D” position.

DIAGNOSTIC PROCEDURE

1.

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 2.

2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

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

.

OK or NG

OK

>> GO TO 3.

NG

>> Adjust control cable. Refer to

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

.

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 STALL TEST

Check stall revolution with selector lever in “D” position. Refer to

AT-52, "STALL TEST"

.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 7.

5.

CHECK LINE PRESSURE

Check line pressure at idle with selector lever in “D” position. 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 items:

–

Oil pump assembly. Refer to

AT-276, "Oil Pump"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.