Nissan Pathfinder (2011 year). Instruction - part 209

 

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Nissan Pathfinder (2011 year). Instruction - part 209

 

 

DLN-210

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1802 – P1804, P1809 TRANSFER CONTROL UNIT

Do the self-diagnostic results indicate AD converter?

YES

>> Replace transfer control unit. Refer to 

DLN-277, "Removal and Installation"

.

NO

>> Inspection End.

2011 Pathfinder

P1807 VEHICLE SPEED SENSOR (A/T)

DLN-211

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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P1807 VEHICLE SPEED SENSOR (A/T)

Description

INFOID:0000000006245068

The transmission control module (TCM) transmits the output shaft revolution signal via CAN communication to

Transfer control unit.  DTC P1807 will set when a malfunction is detected in the output shaft revolution signal

or an improper signal is input while driving.

DTC Logic

INFOID:0000000006245069

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC P1807 detected?

YES

>> Perform diagnosis procedure. Refer to 

DLN-211, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245070

1.

CHECK DTC WITH TCM

Perform self-diagnosis with TCM. Refer to 

TM-36, "CONSULT-III Function (TRANSMISSION)"

.

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 

DLN-238, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 3.

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.

3.

CHECK DTC

Drive vehicle and then perform Self-diagnosis.
Is DTC P1807 displayed?

YES

>> Perform self-diagnosis with TCM again.

NO

>> Inspection End.

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1807]

VHCL SPEED SEN·AT

• Malfunction is detected in output shaft 

revolution signalthat is output from 
TCM through CAN communication.

• Improper signal is input while driving.

DLN-211

2011 Pathfinder

DLN-212

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1808 VEHICLE SPEED SENSOR (ABS)

P1808 VEHICLE SPEED SENSOR (ABS)

Description

INFOID:0000000006245071

The ABS actuator and electric unit (control unit) transmits a vehicle speed signal via CAN communication to

the transfer control unit.  DTC P1808 sets when a malfunction is detected in the vehicle speed signal that is

output from the ABS actuator and electric unit (control unit) or an improper signal is input while driving.

DTC Logic

INFOID:0000000006245072

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC “P1808 displayed?

YES

>> Perform diagnosis procedure. Refer to 

DLN-212, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245073

1.

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

Perform self-diagnosis with ABS actuator and electric unit (control unit) for specific BRC system type.
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 

DLN-238, "Reference Value"

.

Are the inspection results normal?

YES

>> GO TO 3.

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.

3.

CHECK DTC

Drive vehicle and then perform Self-diagnosis.
Is DTC P1808 displayed?

YES

>> Perform self-diagnosis with ABS actuator and electric unit (control unit) for specific BRC system

type.

NO

>> Inspection End.

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1808]

VHCL SPEED SEN·ABS

• Malfunction is detected in vehicle 

speed signal that is output from ABS 
actuator and electric unit (control unit) 
through CAN communication.

• Improper signal is input while driving.

DLN-212

2011 Pathfinder

P1810 4 LO SWITCH

DLN-213

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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P1810 4 LO SWITCH

Description

INFOID:0000000006245074

The 4LO switch detects that the transfer case is in 4LO range.  DTC P1810 will set when an improper signal

from the 4LO switch is input due to an open or short circuit.

DTC Logic

INFOID:0000000006245075

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC P1810 displayed?

YES

>> Perform diagnosis procedure. Refer to 

DLN-213, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245076

Regarding Wiring Diagram information, refer to 

DLN-245, "Wiring Diagram"

.

1.

CHECK 4LO POSITION SWITCH SIGNAL

With CONSULT-III

1. Start engine.

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

3. Read out the value of “4L POSI SW”.

Without CONSULT-III

1. Start engine.

2. Check voltage between transfer control unit harness connector

terminal and ground.

Are the inspection results normal?

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1810]

4L POSI SW TF

Improper signal from 4LO switch is input 
due to open or short circuit.

DLN-213

Condition

Display value

• Vehicle stopped
• Engine running
• A/T selector lever “N” position
• Brake pedal depressed

4WD shift switch: 4LO

ON

Except the above

OFF

Connector

Terminal

Condition

Voltage 

(Approx.)

M165

 24 - 

Ground

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4LO

0V

Except the above

Battery 
voltage

SDIA3363E

2011 Pathfinder

DLN-214

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1810 4 LO SWITCH

YES 

>> GO TO 5.

NO

>> GO TO 2.

2.

CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND 4LO SWITCH

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

2. Disconnect transfer control unit harness connector and the 4LO switch harness connector.

3. Check continuity between transfer control unit harness connec-

tor M165 terminal 24 and 4LO switch harness connector F74

terminal 13.

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.)

2. Disconnect 4LO switch harness connector.

3. Check continuity between 4LO switch harness connector F74

terminal 12 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 4LO SWITCH 

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

2. Disconnect 4LO switch harness connector.

3. Remove 4LO switch. Refer to 

DLN-198, "Component Parts Location"

.

4. Push and release 4LO switch and check continuity between

4LO switch terminals 12 and 13.

Are the inspection results normal?

YES

>> GO TO 5.

NO

>> Replace 4LO switch.

5.

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 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 DTC

Drive the vehicle and then perform self-diagnosis.
Is DTC P1810 displayed?

Continuity should exist.

SDIA3364E

Continuity should exist.

PDIA0203E

Terminal

Condition

Continuity

12 - 13

Push 4LO switch

Yes

Release 4LO switch

No

PDIA0204E

2011 Pathfinder

P1810 4 LO SWITCH

DLN-215

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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YES

>> Replace transfer control unit. Refer to 

DLN-277, "Removal and Installation"

.

NO

>> Inspection End.

Component Inspection

INFOID:0000000006245077

1. Turn ignition switch “OFF”.  (Stay for at least 5 seconds.)
2. Disconnect 4LO switch harness connector.
3. Remove 4LO switch.  Refer to 

DLN-198, "Component Parts Location"

.

4. Push and release 4LO switch and check continuity between

4LO switch terminals 12 and 13.

5. If the inspection results are not normal replace the 4LO switch.

Terminal

Condition

Continuity

12 - 13

Push 4LO switch

Yes

Release 4LO switch

No

PDIA0204E

2011 Pathfinder

DLN-216

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

P1813 4WD SHIFT SWITCH

P1813 4WD SHIFT SWITCH

Description

INFOID:0000000006245078

The 4WD shift switch allows the driver to select 2WD or 4WD and 4H or 4LO.  DTC P1813 will set if more than

two switch inputs are simultaneously detected by the transfer control unit due to a short circuit in the 4WD shift

switch.

DTC Logic

INFOID:0000000006245079

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Perform self-diagnosis.
Is DTC P1813 displayed?

YES

>> Perform diagnosis procedure. Refer to 

DLN-216, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000006245080

Regarding Wiring Diagram information, refer to 

DLN-245, "Wiring Diagram"

.

1.

CHECK 4WD SHIFT SWITCH SIGNAL

With CONSULT-III

1. Turn ignition switch “ON”.

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

3. Read out ON/OFF switching action of the “2WD SWITCH”, “4H SWITCH”, “4L SWITCH” with operating

4WD shift switch.

Without CONSULT-III

1. Turn ignition switch “ON”.

2. Check voltage between transfer control unit harness connector

terminals and ground.

Are the inspection results normal?

YES 

>> GO TO 5.

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1813]

4WD MODE SW

More than two switch inputs are simulta-
neously detected due to short circuit of 
4WD shift switch.

DLN-216

Connector

Terminal

Condition

Voltage (Ap-

prox.)

M165

14 - Ground

4WD shift switch: 2WD

Battery voltage

4WD shift switch: 4H and 4LO

0V

15 - Ground

4WD shift switch: 4H

Battery voltage

4WD shift switch: 2WD and 4LO

0V

 16 - Ground

4WD shift switch: 4LO

Battery voltage

4WD shift switch: 2WD and 4H

0V

SDIA3365E

2011 Pathfinder

P1813 4WD SHIFT SWITCH

DLN-217

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TX15B]

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NO

>> GO TO 2.

2.

CHECK 4WD SHIFT SWITCH POWER SUPPLY CIRCUIT

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

2. Disconnect 4WD shift switch harness connector.

3. Check voltage between 4WD shift switch harness connector ter-

minal 1 and ground.

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

5. Check voltage between 4WD shift switch harness connector ter-

minal 1 and ground.

Is there voltage?

YES

>> GO TO 3.

NO

>> 1. Check harness for short or open between 4WD shift

switch harness connector terminal 1 and transfer

shut off relay 2 harness connector E157 terminal 5

and 10A fuse (No. 61 located in the fuse block).  If any items are damaged, repair or replace

damaged parts.

2. Perform trouble diagnosis for power supply circuit.  Refer to 

DLN-206, "Diagnosis Procedure"

.

3.

CHECK HARNESS BETWEEN 4WD SHIFT SWITCH AND TRANSFER CONTROL UNIT

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

2. Disconnect transfer control unit harness connector and the 4WD shift switch harness connector.

3. Check continuity between the following terminals.

-

Transfer control unit harness connector M165 terminal 14 and

4WD shift switch harness connector M138 terminal 3.

-

Transfer control unit harness connector M165 terminal 15 and

4WD shift switch harness connector M138 terminal 5.

-

Transfer control unit harness connector M165 terminal 16 and

4WD shift switch harness connector M138 terminal 6.

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

Is there continuity?

YES 

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK 4WD SHIFT SWITCH

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

2. Remove 4WD shift switch harness connector.

Connector

Terminal

Voltage (Approx.)

M138

1 - Ground

0V

SDIA2803E

Connector

Terminal

Voltage (Approx.)

M138

1 - Ground

Battery voltage

SDIA2802E

Continuity should exist.

SDIA3366E

2011 Pathfinder

 

 

 

 

 

 

 

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