Nissan Pathfinder (2007 year). Manual - part 421

 

  Index      Manuals     Nissan Pathfinder (2007 year) - Service and Repair Manual

 

Search            copyright infringement  

 

 

 

 

 

 

 

 

Content      ..     419      420      421      422     ..

 

 

Nissan Pathfinder (2007 year). Manual - part 421

 

 

TROUBLE DIAGNOSIS FOR SYSTEM

TF-249

[TX15B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

DIAGNOSTIC PROCEDURE

1. 

CHECK POWER SUPPLY 

1.

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

2.

Disconnect transfer control unit harness connector.

3.

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

4.

Turn ignition switch “ON”. (Do not start engine.)

5.

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

OK or NG

OK

>> GO TO 2.

NG

>> Check the following. If any items are damaged, repair or 

replace damaged parts.

●

10A fuse (No. 57, located in the fuse and relay block).

●

40A fuse (No. j , located in the fuse and fusible link box).

●

Harness for short or open between battery and transfer shut off relay 1 harness connector E156
terminal 3.

●

Harness for short or open between transfer control unit harness connector M153 terminal 27
and transfer shut off relay 1 harness connector E156 terminal 5.

●

Harness for short or open between ignition switch and transfer shut off relay 1 harness connec-
tor E156 terminal 1.

●

Harness for short or open between transfer shut off relay 1 harness connector E156 terminal 2
and ground.

●

Harness for short or open between ignition switch and transfer control unit harness connector
M152 terminal 25.

●

Battery and ignition switch. Refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

 .

●

Transfer shut off relay 1. Refer to 

TF-225, "COMPONENT INSPECTION"

 .

Connector

Terminal

Voltage (Approx.)

M152

25 - Ground

0V

M153

27 - Ground

SDIA3371E

Connector

Terminal

Voltage (Approx.)

M152

25 - Ground

Battery voltage

M153

27 - Ground

SDIA3372E

TF-250

[TX15B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

2. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch "OFF".

2.

Disconnect transfer control unit harness connector.

3.

Check continuity between transfer control unit harness connec-
tor M153 terminal 32 and ground.

Also check harness for short to power.

OK or NG

OK

>> GO TO 3.

NG

>> Repair open circuit or short to power in harness or con-

nectors.

3. 

CHECK POWER SUPPLY SIGNAL

1.

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

2.

Connect transfer control unit harness connector.

3.

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

4.

Turn ignition switch “ON”. (Do not start engine.)

5.

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

OK or NG

OK

>> GO TO 4.

NG

>> Check the following. If any items are damaged, repair or 

replace damaged parts.

●

Harness for short or open between battery and trans-
fer shut off relay 2 harness connector E157 terminal 1.

●

Harness for short or open between transfer shut off relay 2 harness connector E157 terminal 2
and transfer control unit harness connector M153 terminal 40.

●

Transfer shut off relay 2. Refer to 

TF-225, "COMPONENT INSPECTION"

 .

4. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-211, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

OK or NG

OK-1

>> With CONSULT-II: GO TO 5.

OK-2

>> Without CONSULT-II: GO TO 6.

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.

Continuity should exist.

SDIA2818E

Connector

Terminal

Voltage (Approx.)

M153

40 - Ground

Battery voltage

SDIA2819E

Connector

Terminal

Voltage (Approx.)

M153

40 - Ground

0V

SDIA2820E

TROUBLE DIAGNOSIS FOR SYSTEM

TF-251

[TX15B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

5. 

PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)

 With CONSULT-II

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with CONSULT-II.

3.

Touch “ERASE”.

4.

Turn ignition switch “OFF” and wait at least 10 seconds.

5.

Perform the self-diagnosis again.

Is the “SHIFT ACT CIR [P1819]” displayed?

YES

>> Replace transfer control unit. Refer to 

TF-268, "TRANSFER CONTROL UNIT"

 .

NO

>> Inspection End.

6. 

PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II)

 Without CONSULT-II

1.

Perform the self-diagnosis and then erase self-diagnostic results. Refer to 

TF-219, "SELF-DIAGNOSTIC

PROCEDURE (WITHOUT CONSULT-II)"

  and 

TF-221, "ERASE SELF-DIAGNOSIS"

 .

2.

Perform the self-diagnosis again.

Do the self-diagnostic results indicate transfer control device?

YES

>> Replace transfer control unit. Refer to 

TF-268, "TRANSFER CONTROL UNIT"

 .

NO

>> Inspection End.

Engine Speed Signal

EDS0038L

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-211, "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"

 .

TF-252

[TX15B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

CAN Communication Line

EDS0038M

DIAGNOSTIC PROCEDURE

1. 

CHECK CAN COMMUNICATION CIRCUIT

 With CONSULT-II

1.

Turn ignition switch “ON” and start engine.

2.

Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with in CONSULT-II.

3.

Perform the self-diagnosis.

Is the “CAN COMM CIRCUIT [U1000]” displayed?

YES

>> Print out CONSULT-II screen and go to 

LAN-7, "TROU-

BLE DIAGNOSIS"

 .

NO

>> Inspection End

ATP Switch

EDS0038N

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.

SDIA2390E

Monitored item [Unit]

Content

Condition

Display value

ATP SWITCH [ON/OFF]

Condition of ATP switch

●

Vehicle stopped

●

Engine running

●

A/T selector lever “N” 
position

●

Brake pedal depressed

4WD shift switch
: 4H to 4LO or 4LO to 4H
(While actuator motor is 
operating.)

ON

Except the above

OFF

Terminal

Wire 

color

Item

Condition

Data (Approx.)

23

R

ATP switch

●

Vehicle stopped

●

Engine running

●

A/T selector 
lever “N” position

●

Brake pedal 
depressed

4WD shift switch
: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)

0V

Except the above

Battery voltage

TROUBLE DIAGNOSIS FOR SYSTEM

TF-253

[TX15B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

DIAGNOSTIC PROCEDURE

1. 

CHECK ATP SWITCH SIGNAL

 With CONSULT-II

1.

Start engine.

2.

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

3.

Read out the value of “ATP SWITCH”.

 Without CONSULT-II

1.

Start engine.

2.

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

OK or NG

OK >> GO 

TO 

5.

NG

>> GO TO 2.

2. 

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ATP SWITCH

1.

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

2.

Disconnect transfer control unit harness connector and the ATP switch harness connector.

3.

Check continuity between transfer control unit harness connec-
tor M152 terminal 23 and ATP switch harness connector F55
terminal 8.

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

●

Vehicle stopped

●

Engine running

●

A/T selector lever 
“N” position

●

Brake pedal 
depressed

4WD shift switch: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)

ON

Except the above

OFF

SDIA2391E

Connector

Terminal

Condition

Voltage 

(Approx.)

M152

23 - 

Ground

●

Vehicle stopped

●

Engine running

●

A/T selector lever 
“N” position

●

Brake pedal 
depressed

4WD shift switch: 4H 
to 4LO or 4LO to 4H
(While actuator motor 
is operating.)

0V

Except the above

Battery 
voltage

SDIA3375E

Continuity should exist.

SDIA3376E

TF-254

[TX15B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

3. 

CHECK GROUND CIRCUIT

1.

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

2.

Disconnect ATP switch harness connector.

3.

Check continuity between ATP switch harness connector F55
terminal 9 and ground.

Also check harness for short to power.

 OK or NG

 OK 

>> GO TO 4.

 NG

>> Repair open circuit or short to power in harness or con-

nectors.

4. 

CHECK ATP SWITCH 

1.

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

2.

Remove ATP switch. Refer to 

TF-202, "Location of Electrical Parts"

 .

3.

Push and release ATP switch and check continuity between ATP
switch terminals 8 and 9.

OK or NG

OK

>> GO TO 5.

NG

>> Replace ATP switch.  Refer to 

TF-202, "Location of

Electrical Parts"

 .

5. 

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

TF-211, "Transfer Control Unit Input/Output Signal Ref-

erence Values"

 .

OK or NG

OK

>> GO TO 6.

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.

6. 

CHECK ATP WARNING LAMP

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

A/T selector lever “N” position and engage the parking brake.

3.

Switch 4WD shift switch from 4H to 4LO or 4LO to 4H.

Does ATP warning lamp “ON”, while actuator motor is operating?

YES

>> Inspection End.

NO

>> Go to 

TF-264, "ATP Warning Lamp Does Not Turn ON"

 .

Continuity should exist.

SDIA2394E

Terminal

Condition

Continuity

8 - 9

Push ATP switch

Yes

Release ATP switch

No

SDIA2395E

TROUBLE DIAGNOSIS FOR SYSTEM

TF-255

[TX15B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

COMPONENT INSPECTION

1.

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

2.

Disconnect ATP switch harness connector.

3.

Remove ATP switch.  Refer to 

TF-202, "Location of Electrical Parts"

 .

4.

Push and release ATP switch and check continuity between ATP
switch terminals 8 and 9.

5.

If NG, replace the ATP switch.  Refer to 

TF-202, "Location of

Electrical Parts"

 .

Terminal

Condition

Continuity

8 - 9

Push ATP switch

Yes

Release ATP switch

No

SDIA2395E

TF-256

[TX15B]

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

TROUBLE DIAGNOSIS FOR SYMPTOMS

PFP:00007

4WD Shift Indicator Lamp and 4LO Indicator Lamp Do Not Turn ON

EDS0038O

SYMPTOM:

4WD shift indicator lamp and 4LO indicator lamp do not turn ON for approx. 1 second when turning
ignition switch to “ON”.

 

 

 

 

 

 

 

Content      ..     419      420      421      422     ..