Nissan Pathfinder (2011 year). Manual - part 211

 

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Nissan Pathfinder (2011 year). Manual - part 211

 

 

DLN-226

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1817 ACTUATOR MOTOR

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

5. Check voltage between transfer shift high and transfer shift low

relay connector terminals and ground.

Are the inspection results normal?

YES

>> GO TO 4.

NO

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

or replace damaged parts.

• Harness for short or open between transfer control unit harness connector terminal 27 and

transfer shift high relay harness connector E44 terminal 2.

• Harness for short or open between transfer control unit harness connector terminal 27 and

transfer shift low relay harness connector terminal E43 terminal 2.

4.

CHECK TRANSFER RELAY

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

2. Remove transfer shift high relay and transfer shift low relay.

3. Apply 12V direct current between transfer shift high and low

relay terminals 1 and 2.

4. Check continuity between relay terminals 3 and 4, 3 and 5.

Are the inspection results normal?

YES

>> GO TO 5.

NO

>> Replace the transfer shift high or low relay.

5.

CHECK (1): HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER SHIFT RELAY

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

2. Disconnect transfer control unit harness connector.

3. Remove transfer shift high relay and transfer shift low relay.

4. Check continuity between the following terminals.

-

Transfer control unit harness connector M165 terminal 42 and

transfer shift high relay harness connector E44 terminal 1.

-

Transfer control unit harness connector M165 terminal 50 and

transfer shift low relay harness connector E43 terminal 1.

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

Is there continuity?

YES

>> GO TO 6.

NO

>> Repair or replace damaged parts.

6.

CHECK (2): HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER SHIFT RELAY

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

2. Disconnect transfer control unit harness connector.

3. Remove transfer shift high relay and transfer shift low relay.

Connector

Terminal

Voltage (Approx.)

E44

2 - Ground

Battery voltage

E43

2 - Ground

Battery voltage

SDIA3385E

Terminal

Condition

Continuity

3 - 4

12V direct current supply between terminals 1 and 2

No

OFF

Yes

3 - 5

12V direct current supply between terminals 1 and 2

Yes

OFF

No

LDIA0099E

Continuity should exist.

SDIA3386E

2011 Pathfinder

P1817 ACTUATOR MOTOR

DLN-227

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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4. Check continuity between the following terminals.

-

Transfer control unit harness connector M165 terminal 28 and

transfer shift high relay harness connector E44 terminal 5.

-

Transfer control unit harness connector M165 terminal 28 and

transfer shift low relay harness connector E43 terminal 5.

-

Transfer control unit harness connector M165 terminal 31 and

transfer shift high relay harness connector E44 terminal 4.

-

Transfer control unit harness connector M165 terminal 31 and

transfer shift low relay harness connector E43 terminal 4.

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

Is there continuity?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK ACTUATOR MOTOR OPERATION CIRCUIT

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

2. Disconnect transfer control unit harness connector and the transfer control device (actuator motor) har-

ness connector.

3. Check continuity between the following terminals.

-

Transfer control unit harness connector M165 terminal 47 and

transfer control device (actuator motor) harness connector F72

terminal 23.

-

Transfer control unit harness connector M165 terminal 48 and

transfer control device (actuator motor) harness connector F72

terminal 24.

-

Transfer control device (actuator motor) harness connector F72

terminal 24 and transfer shift high relay harness connector E44

terminal 3.

-

Transfer control device (actuator motor) harness connector F72

terminal 23 and transfer shift low relay harness connector E43

terminal 3.

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

Is there continuity?

YES

>> GO TO 8.

NO

>> Repair or replace damaged parts.

8.

CHECK ACTUATOR MOTOR

1. Remove transfer control device. Refer to 

DLN-282, "Removal and Installation"

.

Continuity should exist.

SDIA3387E

SDIA2811E

Continuity should exist.

SDIA3394E

2011 Pathfinder

DLN-228

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1817 ACTUATOR MOTOR

2. Check operation by applying battery voltage to transfer control

device (actuator motor) terminals 23 and 24.

CAUTION:

Be careful not to overheat the harness.

Does actuator motor rotate?

YES

>> GO TO 9.

NO

>> Replace transfer control device (actuator motor).

9.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-238, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 10.

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.

10.

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.
Is DTC P1817 displayed?

YES

>> Replace transfer control unit. Refer to 

DLN-277, "Removal and Installation"

.

NO

>> Inspection End.

Component Inspection

INFOID:0000000006245092

ACTUATOR MOTOR

1. Remove transfer control device. Refer to 

DLN-282, "Removal and Installation"

.

2. Check operation by applying battery voltage to transfer control

device (actuator motor) terminals 23 and 24.

CAUTION:

Be careful not to overheat the harness.

3. If the inspection results are abnormal replace the transfer control

device (actuator motor).

TRANSFER RELAY

1. Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)
2. Remove transfer shift high relay and transfer shift low relay 2. Refer to 

DLN-198, "Component Parts Loca-

tion"

.

3. Apply 12V direct current between transfer shift high and low relay terminals 1 and 2.

Terminal

Actuator motor

24 (Battery voltage) - 23 (Ground)

Clockwise rotate

23 (Battery voltage) - 24 (Ground)

Counterclockwise rotate

SDIA2386E

Terminal

Actuator motor

24 (Battery voltage) - 23 (Ground)

Clockwise rotate

23 (Battery voltage) - 24 (Ground)

Counterclockwise rotate

SDIA2386E

2011 Pathfinder

P1817 ACTUATOR MOTOR

DLN-229

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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4. Check continuity between relay terminals 3 and 4, and 3 and 5.

5. If the inspection results are abnormal replace the transfer shift

high or low relay.

Terminal

Condition

Continuity

3 - 4

12V direct current supply between terminals 1 and 2

No

OFF

Yes

3 - 5

12V direct current supply between terminals 1 and 2

Yes

OFF

No

LDIA0099E

2011 Pathfinder

DLN-230

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1818 ACTUATOR POSITION SWITCH

P1818 ACTUATOR POSITION SWITCH

Description

INFOID:0000000006245093

The actuator position switch detects the current actuator motor range.  DTC P1818 will set if either of the fol-

lowing occur:

• Improper signal from actuator position switch is input due to open or short circuit.

• Malfunction is detected in actuator position switch.

DTC Logic

INFOID:0000000006245094

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC P1818 detected?

YES

>> Perform diagnosis procedure. Refer to 

DLN-230, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245095

Regarding Wiring Diagram information, refer to 

DLN-245, "Wiring Diagram"

.

1.

CHECK ACTUATOR POSITION SWITCH SIGNAL

With CONSULT-III

1. Start engine.

2. Depress brake pedal and stop vehicle.

3. Set A/T selector lever to "N" position.

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

5. Read out the value of “SHIFT POS SW1”, “SHIFT POS SW2”, “SHIFT POS SW3”, “SHIFT POS SW4”.

Without CONSULT-III

1. Start engine.

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1818]

SHIFT ACT POSI SW

• Improper signal from actuator position 

switch is input due to open or short cir-
cuit.

• Malfunction is detected in actuator po-

sition switch.

DLN-230

Monitored item

Condition

Display value

SHIFT POS SW1

4WD shift switch: 2WD and 4LO

ON

4WD shift switch: 4H

OFF

SHIFT POS SW2

4WD shift switch: 4LO

ON

4WD shift switch: 2WD and 4H

OFF

SHIFT POS SW3

4WD shift switch: 2WD and 4H

ON

4WD shift switch: 4LO

OFF

SHIFT POS SW4

4WD shift switch: 4H and 4LO

ON

4WD shift switch: 2WD

OFF

2011 Pathfinder

P1818 ACTUATOR POSITION SWITCH

DLN-231

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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2. Depress brake pedal and stop vehicle.

3. Set A/T selector lever to "N" position.

4. Check voltage between transfer control unit harness connector

terminal and ground.

Are the inspection results normal?

YES 

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ACTUATOR POSITION SWITCH

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

2. Disconnect transfer control unit harness connector and the transfer control device (actuator position

switch) harness connector.

3. Check continuity between the following terminals.

-

Transfer control unit harness connector M165 terminal 10 and

transfer control device (actuator position switch) harness con-

nector F72 terminal 26.

-

Transfer control unit harness connector M165 terminal 11 and

transfer control device (actuator position switch) harness con-

nector F72 terminal 20.

-

Transfer control unit harness connector M165 terminal 12 and

transfer control device (actuator position switch) harness con-

nector F72 terminal 21.

-

Transfer control unit harness connector M165 terminal 13 and

transfer control device (actuator position switch) harness con-

nector F72 terminal 25.

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

Is there continuity?

YES 

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK GROUND CIRCUIT

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

Connector

Terminal

Condition

Voltage 

(Approx.)

M165

10 - 

Ground

4WD shift switch: 2WD and 4LO

0V

4WD shift switch: 4H

Battery 
voltage

11 - 

Ground

4WD shift switch: 4LO

0V

4WD shift switch: 2WD and 4H

Battery 
voltage

12 - 

Ground

4WD shift switch: 2WD and 4H

0V

4WD shift switch: 4LO

Battery 
voltage

13 - 

Ground

4WD shift switch: 4H and 4LO

0V

4WD shift switch: 2WD

Battery 
voltage

SDIA3369E

Continuity should exist.

SDIA3370E

2011 Pathfinder

DLN-232

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1818 ACTUATOR POSITION SWITCH

2. Check continuity between transfer control device (actuator posi-

tion switch) harness connector F72 terminal 22 and ground.

Also check harness for short to power.

Is there continuity?

YES 

>> GO TO 4.

NO

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

nectors.

4.

CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to 

DLN-238, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 5.

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.

5.

CHECK DTC

Perform the self-diagnosis, after driving a vehicle for a while.
Is DTC P1818 displayed?

YES

>> Replace transfer control device. Refer to 

DLN-277, "Removal and Installation"

.

NO

>> Inspection End.

Continuity should exist.

SDIA2815E

2011 Pathfinder

P1819 TRANSFER CONTROL DEVICE

DLN-233

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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P1819 TRANSFER CONTROL DEVICE

Description

INFOID:0000000006245096

The transfer control device integrates the actuator motor and actuator position switch.  DTC P1819 will set if

either of the following conditions exist:

• Malfunction occurs in transfer control device drive circuit.

• Malfunction is detected in transfer shut off relay 1 and transfer shut off relay 2.

DTC Logic

INFOID:0000000006245097

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC P1819 detected?

YES

>> Perform diagnosis procedure. Refer to 

DLN-233, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245098

Regarding Wiring Diagram information, refer to 

DLN-245, "Wiring Diagram"

.

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.

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1819]

SHIFT ACT CIR

• Malfunction is detected in transfer 

shut off relay 1 and transfer shut off re-
lay 2.

• Malfunction occurs in transfer control 

device drive circuit.

DLN-233

Connector

Terminal

Voltage (Approx.)

M165

25 - Ground

0V

M166

27 - Ground

SDIA3371E

2011 Pathfinder

 

 

 

 

 

 

 

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