Nissan Pathfinder (2006 year). Manual - part 26

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

OK or NG

>> GO TO 8.

>> GO TO 11.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.11).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

CHECK SYMPTOM

Check again. Refer to

AT-60, "Cruise Test - Part 2"

OK or NG

>> INSPECTION END

>> GO TO 10.

10.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> 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-192, "Vehicle Does Not Creep Forward In “D” Position"

(Symptom No.11).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

AT-200

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

A/T Does Not Shift: D

→

ECS00EL9

SYMPTOM:

●

The vehicle does not shift-up from the D

to D

gear at the specified speed.

DIAGNOSTIC PROCEDURE

CONFIRM THE SYMPTOM

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

OK or NG

>> GO TO 2.

>> Refer to

AT-194, "Vehicle Cannot Be

Started From D

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

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

>> GO TO 3.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 4.

>> Refill ATF.

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-54, "LINE PRESSURE TEST"

OK or NG

>> GO TO 7.

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

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

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

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-201

2006 Pathfinder

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

OK or NG

>> GO TO 8.

>> GO TO 11.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.12).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

CHECK SYMPTOM

Check again. Refer to

AT-60, "Cruise Test - Part 2"

OK or NG

>> INSPECTION END

>> GO TO 10.

10.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> 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-192, "Vehicle Does Not Creep Forward In “D” Position"

(Symptom No.12).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

AT-202

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

A/T Does Not Shift: D

→

ECS00ELA

SYMPTOM:

●

The vehicle does not shift-up from the D

to D

gear at the specified speed.

●

The vehicle does not shift-up from the D

to D

gear unless A/T is warmed up.

DIAGNOSTIC PROCEDURE

CONFIRM THE SYMPTOM

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

OK or NG

>> GO TO 2.

>> Refer to

AT-194, "Vehicle Cannot Be

Started From D

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

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

>> GO TO 3.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 4.

>> Refill ATF.

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-54, "LINE PRESSURE TEST"

OK or NG

>> GO TO 7.

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

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

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

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-203

2006 Pathfinder

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

OK or NG

>> GO TO 8.

>> GO TO 11.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.13).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

CHECK SYMPTOM

Check again. Refer to

OK or NG

>> INSPECTION END

>> GO TO 10.

10.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> 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

(Symptom No.13).

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

AT-204

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

A/T Does Not Perform Lock-up

ECS00ELB

SYMPTOM:

A/T does not perform lock-up at the specified speed.

DIAGNOSTIC PROCEDURE

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

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

>> GO TO 2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 3.

>> Refill ATF.

CHECK LINE PRESSURE

Check line pressure at the engine stall point. Refer to

AT-54, "LINE PRESSURE TEST"

OK or NG

>> GO TO 6.

NG - 1 >> Line pressure high. GO TO 4.
NG - 2 >> Line pressure low. GO TO 5.

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

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

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

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

OK or NG

>> GO TO 7.

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-205

2006 Pathfinder

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

OK or NG

>> GO TO 7.

>> GO TO 10.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.24).

OK or NG

>> GO TO 8.

>> Repair or replace damaged parts.

CHECK SYMPTOM

Check again. Refer to

OK or NG

>> INSPECTION END

>> GO TO 9.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

10.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.24).

OK or NG

>> GO TO 8.

>> Repair or replace damaged parts.

AT-206

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

A/T Does Not Hold Lock-up Condition

ECS00ELC

SYMPTOM:

The lock-up condition cannot be maintained for more than 30 seconds.

DIAGNOSTIC PROCEDURE

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

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

>> GO TO 2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 3.

>> Refill ATF.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

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

Check A/T fluid condition. Refer to

OK or NG

>> GO TO 4.

>> GO TO 7.

DETECT MALFUNCTIONING ITEM

●

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

(Symptom No.25).

OK or NG

>> GO TO 5.

>> Repair or replace damaged parts.

CHECK SYMPTOM

Check again. Refer to

OK or NG

>> INSPECTION END

>> GO TO 6.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to