Nissan Pathfinder (2007 year). Manual - part 403

TROUBLE DIAGNOSIS FOR SYSTEM

TF-105

[ATX14B]

C

E

F

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TF

2007 Pathfinder

3. 

CHECK TRANSFER FLUID TEMPERATURE SENSOR

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Disconnect transfer terminal cord assembly harness connector.

3.

Check resistance between transfer terminal cord assembly ter-
minals 2 and 3.

OK or NG

OK

>> GO TO 4.

NG

>> Replace transfer fluid temperature sensor. Refer to 

TF-

146, "Disassembly and Assembly"

 .

4. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-37, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

OK or NG

OK

>> GO TO 5.

 NG

>> Check transfer control unit pin terminals for damage or loose connection with harness connector.

If any items are damaged, repair or replace damaged parts.

5. 

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG

OK

>> Inspection End.

NG

>> Replace transfer control unit. Refer to 

TF-132, "Removal and Installation"

 .

COMPONENT INSPECTION

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Disconnect transfer terminal cord assembly harness connector.

3.

Check resistance between transfer terminal cord assembly ter-
minals 2 and 3.

4.

If NG, replace the transfer fluid temperature sensor. Refer to 

TF-

24, "Location of Electrical Parts"

 .

Temperature 

°

C (

°

F)

Resistance (Approx.)

20 (68)

2.5 k

Ω

80 (176)

0.3 k

Ω

SDIA3276E

Temperature 

°

C (

°

F)

Resistance (Approx.)

20 (68)

2.5 k

Ω

80 (176)

0.3 k

Ω

SDIA3276E

TF-106

[ATX14B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

Clutch Pressure Switch

EDS0036U

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Data are reference value.

TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE

Data are reference value and are measured between each terminal and ground.

CAUTION:

When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.

Monitored item [Unit]

Content

Condition

Display value

CL PRES SW [ON / 
OFF]

Condition of clutch pres-
sure switch

●

Vehicle stopped

●

Engine running

●

A/T selector lever “D” position

●

4WD shift switch: AUTO or 4H (“Wait” function is not 
operating.)

ON

●

Vehicle stopped

●

Engine running

●

4WD shift switch: 2WD (“Wait” function is not oper-
ating.)

OFF

Terminal

Wire 

color

Item

Condition

Data (Approx.)

34

BR

Clutch pressure switch

●

Vehicle stopped

●

Engine running

●

A/T selector 
lever “D” position

4WD shift switch: AUTO or 4H (“Wait” 
function is not operating.)

0V

●

Vehicle stopped

●

Engine running

4WD shift switch: 2WD (“Wait” function is 
not operating.)

Battery voltage

TROUBLE DIAGNOSIS FOR SYSTEM

TF-107

[ATX14B]

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2007 Pathfinder

DIAGNOSTIC PROCEDURE

1. 

CHECK CLUTCH PRESSURE SWITCH SIGNAL

 With CONSULT-II

1.

Start engine.

2.

Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.

3.

Read out ON/OFF switching action of the “CL PRES SW” while
operating 4WD shift switch.

 Without CONSULT-II

1.

Start engine.

2.

Check voltage between transfer control unit harness connector
terminals and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 2.

2. 

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND CLUTCH PRESSURE SWITCH

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Disconnect transfer control unit harness connector and the transfer terminal cord assembly harness con-
nector.

3.

Check continuity between transfer control unit harness connec-
tor M153 terminal 34 and transfer terminal cord assembly har-
ness connector F56 terminal 7.

 OK or NG

 OK 

>> GO TO 3.

 NG

>> Repair or replace damaged parts.

Condition

Display value

●

Ignition switch: ON

●

A/T selector lever “D” 
position

4WD shift switch: AUTO or 4H 
(“Wait” function is not operating.)

ON

Ignition switch: ON

4WD shift switch: 2WD (“Wait” 
function is not operating.)

OFF

Connector

Terminal

Condition

Voltage 

(Approx.)

M153

34 - 

Ground

●

Ignition switch: ON

●

A/T selector lever 
“D” position

4WD shift switch: 
AUTO or 4H 
(“Wait” function is 
not operating.)

0V

Ignition switch: ON

4WD shift switch: 
2WD (“Wait” func-
tion is not operat-
ing.)

Battery 
voltage

WDIA0141E

SDIA2746E

Continuity should exist.

SDIA2747E

TF-108

[ATX14B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

3. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-37, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Check transfer control unit pin terminals for damage or loose connection with harness connector.

If any items are damaged, repair or replace damaged parts.

4. 

CHECK CLUTCH PRESSURE SWITCH

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Remove clutch pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

 .

3.

Push and release clutch pressure switch and check continuity
between transfer terminal cord assembly terminal 7 and ground.

 OK or NG

 OK 

>> GO TO 5.

 NG

>> Replace clutch pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

 .

5. 

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG

OK

>> GO TO 6.

NG

>> Replace transfer control unit.  Refer to 

TF-132, "TRANSFER CONTROL UNIT"

 .

6. 

CRUISE TEST

Perform cruise test.  Refet to 

TF-35, "CRUISE TEST"

 .

OK or NG

OK

>> Inspection End.

NG

>> Perform the applicable trouble diagnosis.

COMPONENT INSPECTION

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Remove clutch pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

 .

3.

Push and release clutch pressure switch and check continuity
between transfer terminal cord assembly terminal 7 and ground.

Terminal

Condition

Continuity

7 - Ground

Push clutch pres-

sure switch

Yes

Release clutch pres-

sure switch

No

WDIA0171E

Terminal

Condition

Continuity

7 - Ground

Push clutch pres-

sure switch

Yes

Release clutch pres-

sure switch

No

WDIA0171E

TROUBLE DIAGNOSIS FOR SYSTEM

TF-109

[ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

4.

If NG, replace the clutch pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

 .

Line Pressure Switch

EDS0036V

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Data are reference value.

TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE

Data are reference value and are measured between each terminal and ground.

CAUTION:

When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.

Monitored item [Unit]

Content

Condition

Display value

LINE PRES SW [ON/
OFF]

Condition of line pressure 
switch

●

A/T selector lever “D” position

●

4WD shift switch: AUTO

ON

●

Except the above

●

The vehicle has been 
left at room tempera-
ture for 5 minutes and 
more with ignition 
switch in “OFF” posi-
tion.

●

Ignition switch: ON

●

A/T selector lever: “P”  
or "N" position

●

4WD shift switch: Other 
than AUTO

OFF

Terminal

Wire 

color

Item

Condition

Data (Approx.)

35

L

Line pressure switch

●

Ignition switch: 
ON

●

A/T selector 
lever “D” position

4WD shift switch: AUTO

0V

●

Except the 
above

●

The vehicle has 
been left at room 
temperature for 
5 minutes and 
more with igni-
tion switch in 
“OFF” position.

●

Ignition switch: ON

●

A/T selector lever: “P”  or "N" position

●

4WD shift switch: Other than AUTO

Battery voltage

TF-110

[ATX14B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

DIAGNOSTIC PROCEDURE

1. 

CHECK LINE PRESSURE SWITCH SIGNAL

 With CONSULT-II

1.

Start engine.

2.

Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.

3.

Read out ON/OFF switching action of “LINE PRES SW” while
operating 4WD shift switch.

 Without CONSULT-II

1.

Start engine.

2.

Check voltage between transfer control unit harness connector
terminals and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 2.

2. 

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND LINE PRESSURE SWITCH

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Disconnect transfer control unit harness connector and the transfer terminal cord assembly harness con-
nector.

3.

Check continuity between transfer control unit harness connec-
tor M153 terminal 35 and transfer terminal cord assembly har-
ness connector F56 terminal 1.

4.

Also check harness for short to ground and short to power.

 OK or NG

 OK 

>> GO TO 3.

 NG

>> Repair or replace damaged parts.

Condition

Display value

●

A/T selector lever “D” position

●

4WD shift switch: AUTO

ON

●

Except the above

●

The vehicle has been left 
at room temperature for 5 
minutes and more with 
ignition switch in “OFF” 
position.

●

Ignition switch: ON

●

A/T selector lever: “P”  or "N" 
position

●

4WD shift switch: Other than 
AUTO

OFF

Connector

Terminal

Condition

Voltage 

(Approx.)

M153

35 - 

Ground

●

A/T selector lever 
“D” position

4WD shift switch: 
AUTO

0V

●

Except the above

●

The vehicle has 
been left at room 
temperature for 5 
minutes and more 
with ignition switch 
in “OFF” position.

●

Ignition switch: 
ON

●

A/T selector 
lever: “P”  or "N" 
position

●

4WD shift 
switch: Other 
than AUTO

Battery 
voltage

WDIA0142E

SDIA2751E

Continuity should exist.

SDIA2752E

TROUBLE DIAGNOSIS FOR SYSTEM

TF-111

[ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

3. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-37, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

  .

OK or NG

OK

>> GO TO 4.

NG

>> Check transfer control unit pin terminals for damage or loose connection with harness connector.

If any items are damaged, repair or replace damaged parts.

4. 

CHECK LINE PRESSURE SWITCH

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Remove line pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

  .

3.

Push and release line pressure switch and check continuity
between transfer terminal cord assembly terminal 1 and ground.

 OK or NG

 OK 

>> GO TO 5.

 NG

>> Replace line pressure switch.  Refer to 

TF-24, "Location

of Electrical Parts"

 .

5. 

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG

OK

>> GO TO 6.

NG

>> Replace transfer control unit.  Refer to 

TF-132, "Removal and Installation"

  .

6. 

CRUISE TEST

Perform cruise test.  Refet to 

TF-35, "CRUISE TEST"

  .

OK or NG

OK

>> Inspection End.

NG

>> Perform the applicable trouble diagnosis.

COMPONENT INSPECTION

1.

Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)

2.

Remove line pressure switch.  Refer to 

TF-24, "Location of Electrical Parts"

  .

3.

Push and release line pressure switch and check continuity
between transfer terminal cord assembly terminal and ground.

4.

If NG, replace the clutch pressure switch.

Terminal

Condition

Continuity

1 - Ground

Push line pressure 

switch

Yes

Release line pres-

sure switch

No

WDIA0172E

Terminal

Condition

Continuity

1 - Ground

Push line pressure 

switch

Yes

Release line pres-

sure switch

No

WDIA0172E

TF-112

[ATX14B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

Throttle Position Signal (ECM)

EDS0036W

DIAGNOSTIC PROCEDURE

1. 

CHECK DTC WITH ECM

Perform self-diagnosis with ECM. Refer to 

EC-117, "SELF-DIAG RESULTS MODE"

 .

Is any malfunction detected by self-diagnosis?

YES

>> Check the malfunctioning system.

NO

>> GO TO 2.

2. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-37, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

 OK or NG

OK

>> GO TO 3.

NG

>> Check transfer control unit pin terminals for damage or loose connection with harness connector.

If any items are damaged, repair or replace damaged parts.

3. 

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG

OK

>> Inspection End.

NG

>> Perform self-diagnosis with ECM again. Refer to 

EC-117, "SELF-DIAG RESULTS MODE"

 .

ABS Operation Signal (ABS)

EDS0036X

DIAGNOSTIC PROCEDURE

1. 

CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to 

BRC-29, "SELF-DIAGNO-

SIS"

 .

Is any malfunction detected by self-diagnosis?

YES

>> Check the malfunctioning system.

NO

>> GO TO 2.

2. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-37, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

 OK or NG

OK

>> GO TO 3.

NG

>> Check transfer control unit pin terminals for damage or loose connection with harness connector.

If any items are damaged, repair or replace damaged parts.

3. 

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG

OK

>> Inspection End.

NG

>> Perform self-diagnosis with ABS actuator and electric unit (control unit) again. Refer to 

BRC-29,

"SELF-DIAGNOSIS"

 .