Nissan Pathfinder (2008 year). Manual - part 191

DLN-112

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4WD WARNING LAMP DOES NOT TURN ON

5.

CHECK INDICATOR LAMP CIRCUIT

1.

Connect combination meter harness connector.

2.

Disconnect transfer control unit harness connector.

3.

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

4.

Ground the following terminal using suitable wiring.

-

Transfer control unit harness connector M152 terminal 5 and
ground.

Does 4WD warning lamp turn on?

OK

>> GO TO 6.

NG

>> Replace combination meter.  Refer to 

MWI-94,

"Removal and Installation"

.

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 

DLN-83, "Reference Value"

.

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.

SDIA2774E

4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE

DLN-113

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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE

Description

INFOID:0000000001728424

4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.

Diagnosis Procedure

INFOID:0000000001728425

1.

CONFIRM THE SYMPTOM

Confirm 4WD shift indicator lamp and 4LO indicator lamp turn on when ignition switch is turned to ON.

Do 4WD shift indicator lamp and 4LO indicator lamp turn on?

YES

>> GO TO 2.

NO

>> Refer to 

DLN-107, "Diagnosis Procedure"

.

2.

CHECK SYSTEM FOR 4WD SHIFT SWITCH

Perform trouble diagnosis for 4WD shift switch system. Refer to 

DLN-34, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK SYSTEM FOR WAIT DETECTION SWITCH

Perform trouble diagnosis for wait detection switch system. Refer to 

DLN-38, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK SYSTEM FOR NEUTRAL-4LO SWITCH

Perform trouble diagnosis for neutral-4LO switch system. Refer to 

DLN-31, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK SYSTEM FOR ATP SWITCH

Perform trouble diagnosis for ATP switch system. Refer to 

DLN-122, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 6.

NO

>> Repair or replace damaged parts.

6.

CHECK SYSTEM FOR 2-4WD SOLENOID

Perform trouble diagnosis for 2-4WD solenoid system. Refer to 

DLN-60, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK SYSTEM FOR TRANSFER CONTROL DEVICE

Perform trouble diagnosis for transfer control device system. Refer to 

DLN-51, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 8.

NO

>> Repair or replace damaged parts.

8.

CHECK SYSTEM FOR ACTUATOR MOTOR

Perform trouble diagnosis for actuator motor system. Refer to 

DLN-42, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 9.

NO

>> Repair or replace damaged parts.

DLN-114

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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE

9.

CHECK SYSTEM FOR ACTUATOR POSITION SWITCH

Perform trouble diagnosis for actuator position switch system. Refer to 

DLN-48, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 10.

NO

>> Repair or replace damaged parts.

10.

SYMPTOM CHECK

Check again. 

Are the inspection results normal?

YES

>> Inspection End.

NO

>> GO TO 11.

11.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-83, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 12.

NO

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

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

12.

CHECK TRANSFER INNER PARTS

1.

Disassemble transfer assembly. Refer to 

DLN-149, "Disassembly and Assembly"

.

2.

Check transfer inner parts.

Are the inspection results normal?

YES

>> Inspection End.

NO

>> Repair or replace damaged parts.

ATP WARNING LAMP DOES NOT TURN ON

DLN-115

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ATP WARNING LAMP DOES NOT TURN ON

Description

INFOID:0000000001728426

ATP warning lamp does not turn ON when the transfer case is switched in or out of 4LO with the A/T selector
lever in N position.

Diagnosis Procedure

INFOID:0000000001728427

1.

CHECK SYSTEM FOR CAN COMMUNICATION LINE

Perform self-diagnosis. Refer to 

DLN-20, "CONSULT-III Function (ALL MODE AWD/4WD)"

.

Do the self-diagnostic results indicate CAN communication?

YES

>> Perform trouble diagnosis for CAN communication line.

NO

>> GO TO 2.

2.

CHECK SYSTEM FOR 4WD SHIFT SWITCH

Perform trouble diagnosis for 4WD shift switch system. Refer to 

DLN-34, "Diagnosis Procedure"

.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

3.

CHECK SYSTEM FOR PNP SWITCH SIGNAL

Perform trouble diagnosis for PNP switch signal system. Refer to 

DLN-41, "Diagnosis Procedure"

.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace damaged parts.

4.

CHECK SYSTEM FOR ATP SWITCH

Perform trouble diagnosis for ATP switch system. Refer to 

DLN-122, "Diagnosis Procedure"

.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

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 15 and
combination meter harness connector M24 terminal 21.

Continuity should exist.

SDIA2768E

DLN-116

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ATP WARNING LAMP DOES NOT TURN ON

-

Transfer control unit harness connector M153 terminal 40 and
combination meter harness connector M24 terminal 1.

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

OK or NG

OK

>>  GO TO 6.

NG

>> Repair or replace damaged parts.

6.

CHECK ATP WARNING LAMP CIRCUIT

1.

A/T selector lever "P" position.

2.

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

3.

Disconnect ATP switch harness connector.

4.

Ground the following terminal using suitable wiring.

5.

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

-

ATP switch harness connector F55 terminal 8 and ground.

Does indicator lamp turn on?

OK

>> GO TO 7.

NG

>> Replace combination meter. Refer to 

MWI-94, "Removal

and Installation"

.

7.

SYMPTOM CHECK

Check again.
OK or NG

OK

>> Inspection End.

NG

>> GO TO 8.

8.

CHECK TRANSFER CONTROL UNIT

 Check transfer control unit input/output signal. Refer to 

DLN-83, "Reference Value"

.

OK or NG

OK

>> GO TO 9.

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.

9.

CHECK TRANSFER INNER PARTS

1.

Disassemble transfer assembly. Refer to 

DLN-149, "Disassembly and Assembly"

.

2.

Check transfer inner parts.

OK or NG

OK

>> Inspection End.

NG

>> Repair or replace damaged parts.

40 TO 1: Continuity should 
not exist.

1 to 40: Continuity should 
exist.

SDIA2770E

SDIA2769E

4WD SHIFT INDICATOR LAMP KEEPS FLASHING

DLN-117

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4WD SHIFT INDICATOR LAMP KEEPS FLASHING

Description

INFOID:0000000001728428

The 4WD shift indicator lamp keeps flashing.

Diagnosis Procedure

INFOID:0000000001728429

1.

CONFIRM THE SYMPTOM

1.

Set 4WD shift switch to 2WD.

2.

Move vehicle forward and backward, or drive straight increasing or decreasing under 20 km/h (12 MPH).

Dose 4WD shift indicator lamp keep flashing?

YES

>> GO TO 2.

NO

>> Inspection End.

2.

CHECK SYSTEM FOR WAIT DETECTION SWITCH

Perform trouble diagnosis for wait detection switch system. Refer to 

DLN-38, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK SYSTEM FOR NEUTRAL-4LO SWITCH

Perform trouble diagnosis for neutral-4LO switch system. Refer to 

DLN-31, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

SYMPTOM CHECK

Check again.
Are the inspection results normal?

YES

>> Inspection End.

NO

>> GO TO 5.

5.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-83, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 6.

NO

>> 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 TRANSFER INNER PARTS

1.

Disassemble transfer assembly. Refer to 

DLN-149, "Disassembly and Assembly"

.

2.

Check transfer inner parts.

Are the inspection results normal?

YES

>> Inspection End.

NO

>> Repair or replace damaged parts.

DLN-118

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4WD WARNING LAMP FLASHES RAPIDLY

4WD WARNING LAMP FLASHES RAPIDLY

Description

INFOID:0000000001728430

The 4WD warning lamp flashes quickly while driving (2 times / second).  The lamp continues to flash until the
ignition switch is turned OFF.

Diagnosis Procedure

INFOID:0000000001728431

1.

CHECK TIRE

Check the following.
• Tire pressure
• Wear condition
• Longitudinal tire size (There is no difference between longitudinal tires.)
Are the inspection results normal?

YES

>> GO TO 2. 

NO

>> Repair or replace damaged parts.

2.

CHECK 4WD WARNING LAMP

Stop the vehicle and allow it to idle for a short period of time.

Does flashing stop?

YES

>> Inspection End. 

NO

>> GO TO 3.

3.

CHECK TRANSFER FLUID TEMPERATURE

Perform trouble diagnosis for transfer fluid temperature system. Refer to 

DLN-70, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

SYMPTOM CHECK

Check again.
Are the inspection results normal?

YES

>> Inspection End.

NO

>> GO TO 5.

5.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-83, "Reference Value"

.

Are the inspection results normal?

YES

>> Inspection End.

NO

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

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

4WD WARNING LAMP FLASHES SLOWLY

DLN-119

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4WD WARNING LAMP FLASHES SLOWLY

Description

INFOID:0000000001728432

The 4WD warning lamp flashes slowly while driving (1 time / 2 seconds).  The lamp continues to flash until the
ignition switch is turned OFF.

Diagnosis Procedure

INFOID:0000000001728433

1.

CHECK TIRE

Check the following.
• Tire pressure
• Wear condition
• Longitudinal tire size (There is no difference between longitudinal tires.)
OK or NG

OK

>> GO TO 2. 

NG

>> Repair or replace damaged parts.

2.

CHECK TRANSFER FLUID TEMPERATURE

Perform trouble diagnosis for transfer fluid temperature system. Refer to 

DLN-70, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK CLUTCH PRESSURE SWITCH

Perform trouble diagnosis for clutch pressure switch system. Refer to 

DLN-73, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

SYMPTOM CHECK

Check again.
Are the inspection results normal?

YES

>> Inspection End.

NO

>> GO TO 5.

5.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-83, "Reference Value"

.

Are the inspection results normal?

YES

>> Inspection End.

NO

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

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