Nissan Pathfinder (2007 year). Manual - part 404

TROUBLE DIAGNOSIS FOR SYSTEM

TF-113

[ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

VDC Operation Signal (ABS)

EDS0036Y

DIAGNOSTIC PROCEDURE

1. 

CHECK DTC WITH ABS ACTUATOR AND ELECTRIC 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 electric unit (control unit) again. Refer to 

BRC-29,

"SELF-DIAGNOSIS"

 .

TCS Operation Signal (ABS)

EDS0036Z

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"

 .

TF-114

[ATX14B]

TROUBLE DIAGNOSIS FOR SYSTEM

2007 Pathfinder

CAN Communication Line

EDS00370

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” within 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

EDS00371

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.

SDIA1850E

Monitored item [Unit]

Content

Condition

Display value

ATP SWITCH [ON/OFF]

Condition of ATP switch

●

Vehicle stopped

●

Engine running

●

A/T selector lever “N”

●

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.)

40

R

ATP switch

●

Vehicle stopped

●

Engine running

●

A/T selector 
lever “N”

●

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-115

[ATX14B]

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 M153 terminal 40 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”

●

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.)

M153

40 - 

Ground

●

Vehicle stopped

●

Engine running

●

A/T selector lever 
“N”

●

Brake pedal 
depressed

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

0V

Except the above

Battery 
voltage

SDIA2755E

Continuity should exist.

SDIA2756E

TF-116

[ATX14B]

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.

Disconnect ATP switch harness connector.

3.

Remove ATP switch. Refer to 

TF-24, "Location of Electrical Parts"

 .

4.

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-24, "Location of Elec-

trical Parts"

 .

5. 

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 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.

Move A/T selector lever to "P" position.

3.

Set 4WD shift switch from "4H" to "4LO" or "4LO" to "4H".

Does ATP warning lamp turn ON while switching?

YES

>> GO TO 

TF-125, "ATP Warning Lamp Turns ON"

 .

NO

>> Inspection End.

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-24, "Location of Electrical Parts"

 .

Continuity should exist.

SDIA2394E

Terminal

Condition

Continuity

8 - 9

Push ATP switch

Yes

Release ATP switch

No

SDIA2757E

TROUBLE DIAGNOSIS FOR SYSTEM

TF-117

[ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

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-24, "Location of Elec-

trical Parts"

 .

Terminal

Condition

Continuity

8 - 9

Push ATP switch

Yes

Release ATP switch

No

SDIA2757E

TF-118

[ATX14B]

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

TROUBLE DIAGNOSIS FOR SYMPTOMS

PFP:00007

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

EDS00372

SYMPTOM:

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

DIAGNOSTIC PROCEDURE

1. 

CHECK TRANSFER CONTROL UNIT POWER SUPPLY CIRCUIT

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
terminals 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 fuses [No. 21 located in fuse block (J/B) and No. 59 located in the fuse and relay box.
Refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

   .

●

Harness for short or open between battery and transfer control unit harness connector M153
terminals 47.

●

Harness for short or open between ignition switch and transfer control unit harness connector
M153 terminal 29.

●

Harness for short or open between battery and transfer shut off relay harness connector E155
terminal 1 and 3.

●

Harness for short or open between transfer shut off relay harness connector E155 terminal 2
and transfer control unit harness connector M153 terminal 30.

●

Harness for short or open between transfer shut off relay harness connector E155 terminal 5
and transfer control unit harness connector M152 terminals 16 and 22.

●

Battery and ignition switch. Refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

   .

●

Transfer shut off relay. Refer to 

TF-59, "COMPONENT INSPECTION"

   .

Connector

Terminal

Voltage (Approx.)

M152

16 - Ground

0V

22 - Ground

M153

29 - Ground 

30 - Ground

Battery voltage

47 - Ground

WDIA0165E

Connector

Terminal

Voltage (Approx.)

M152

16 - Ground

Battery voltage

22 - Ground

M153

29 - Ground 

30 - Ground

0V

47 - Ground

Battery voltage

WDIA0166E

TROUBLE DIAGNOSIS FOR SYMPTOMS

TF-119

[ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

TF

2007 Pathfinder

2. 

CHECK TRANSFER CONTROL UNIT GROUND CIRCUIT

1.

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

2.

Disconnect transfer control unit harness connector.

3.

Check continuity between transfer control unit harness connec-
tor M152 terminals 3 and 6, and M153 terminal 45 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 COMBINATION METER POWER SUPPLY CIRCUIT

1.

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

2.

Disconnect transfer control unit harness connector.

3.

Check voltage between combination meter harness connector
terminal and ground.

4.

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

5.

Check voltage between combination meter 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.

●

10A fuse [No. 14, located in the fuse block (J/B)].
Refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

 .

●

Harness for short or open between ignition switch and combination meter harness connector
M24 terminal 16.

●

Ignition switch. Refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

 .

Continuity should exist.

SDIA2691E

Connector

Terminal

Voltage (Approx.)

M24

16 - Ground

0V

SDIA2762E

Connector

Terminal

Voltage (Approx.)

M24

16 - Ground

Battery voltage

SDIA2763E

TF-120

[ATX14B]

TROUBLE DIAGNOSIS FOR SYMPTOMS

2007 Pathfinder

4. 

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER

1.

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

2.

Disconnect transfer control unit harness connector and combination meter harness connector.

3.

Check continuity between the following terminals.

–

Transfer control unit harness connector M152 terminal 2 and
combination meter harness connector M24 terminal 30.

–

Transfer control unit harness connector M152 terminal 11 and
combination meter harness connector M24 terminal 27.

–

Transfer control unit harness connector M152 terminal 12 and
combination meter harness connector M24 terminal 29.

–

Transfer control unit harness connector M152 terminal 21 and
combination meter harness connector M24 terminal 28.

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

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5. 

CHECK INDICATOR LAMP CIRCUIT

1.

Connect combination meter harness connector.

2.

Disconnect transfer control unit harness connector.

3.

Turn ignition switch “ON”.

4.

Ground the following terminals using suitable wiring.

–

Transfer control unit harness connector M152 terminal 2 and
ground.

–

Transfer control unit harness connector M152 terminal 11 and
ground.

–

Transfer control unit harness connector M152 terminal 12 and
ground.

–

Transfer control unit harness connector M152 terminal 21 and
ground.

Do indicator lamps turn on?

OK

>> GO TO 6.

NG

>> Replace combination meter. Refer to 

IP-14, "COMBINATION METER"

 .

6. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> Inspection End.

NG

>> GO TO 7.

7. 

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

>> Inspection End.

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.

SDIA2771E

SDIA2772E