Nissan Pathfinder (2010 year). Manual - part 666

DIAGNOSIS SYSTEM (IPDM E/R)

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CONSULT - III Function (IPDM E/R)

INFOID:0000000005484556

APPLICATION ITEM

CONSULT-III performs the following functions via CAN communication with IPDM E/R.

SELF DIAGNOSTIC

Refer to 

PCS-30, "DTC Index"

.

DATA MONITOR

Monitor item

Any of the following components do not operate

• Front wipers
• Tail  lamps
• License plate lamps
• Parking  lamps
• Front fog lamps (if equipped)
• Headlamps (Hi, Lo)

Perform auto active test.
Does the applicable system 
operate?

YES

BCM signal input system

NO

• Lamp or front wiper motor 

malfunction

• Lamp or front wiper motor 

ground circuit

• Harness or connector be-

tween IPDM E/R and appli-
cable system

• IPDM E/R (integrated relay 

malfunction)

A/C compressor does not operate

Perform auto active test.
Does the A/C compressor op-
erate?

YES

• BCM signal input circuit
• CAN communication signal 

between BCM and ECM

• CAN communication signal 

between ECM and IPDM E/
R

NO

• Magnetic clutch malfunction
• Harness or connector be-

tween IPDM E/R and mag-
netic clutch

• IPDM E/R (integrated relay 

malfunction)

Cooling fan does not operate

Perform auto active test.
Does the cooling fan operate?

YES

• ECM signal input circuit
• CAN communication signal 

between ECM and IPDM E/
R

NO

• Cooling fan motor malfunc-

tion

• Harness or connector be-

tween IPDM E/R and cool-
ing fan

• IPDM E/R (integrated relay 

malfunction)

Symptom

Inspection contents

Possible cause

Diagnosis mode

Description

Self Diagnostic Result

Displays the diagnosis results judged by IPDM E/R.

Data Monitor

Displays the real-time input/output data from IPDM E/R input/output data.

Active Test

IPDM E/R can provide a drive signal to electronic components to check their operations.

CAN Diag Support Monitor

The results of transmit/receive diagnosis of CAN communication can be read.

Monitor Item

[Unit]

MAIN SIG-

NALS

Description

MOTOR FAN REQ
[1/2/3/4]

×

Displays the status of the cooling fan speed request signal received from ECM via 
CAN communication.

AC COMP REQ
[OFF/ON]

×

Displays the status of the A/C request signal received from AV control unit via 
CAN communication.

2010 Pathfinder

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DIAGNOSIS SYSTEM (IPDM E/R)

ACTIVE TEST

Test item

TAIL&CLR REQ
[OFF/ON]

×

Displays the status of the position light request signal received from BCM via CAN 
communication.

HL LO REQ
[OFF/ON]

×

Displays the status of the low beam request signal received from BCM via CAN 
communication.

HL HI REQ
[OFF/ON]

×

Displays the status of the high beam request signal received from BCM via CAN 
communication.

FR FOG REQ
[OFF/ON]

×

Displays the status of the front fog lamp request signal received from BCM via 
CAN communication.

FR WIP REQ
[STOP/1LOW/LOW/HI]

×

Displays the status of the front wiper request signal received from BCM via CAN 
communication.

WIP AUTO STOP
[STOP P/ACT P]

×

Displays the status of the front wiper auto stop signal judged by IPDM E/R.

WIP PROT
[OFF/Block]

×

Displays the status of the front wiper fail-safe operation judged by IPDM E/R.

ST RLY REQ
[OFF/ON]

Displays the status of the starter request signal received from ECM via CAN com-
munication.

IGN RLY
[OFF/ON]

×

Displays the status of the ignition relay judged by IPDM E/R.

RR DEF REQ
[OFF/ON]

×

Displays the status of the rear defogger request signal received from AV control 
unit via CAN communication.

OIL P SW
[Open/Close]

Displays the status of the oil pressure switch judged by IPDM E/R.

DTRL REQ
[OFF]

Displays the status of the daytime light request signal received from BCM via CAN 
communication.

THFT HRN REQ
[OFF/ON]

Displays the status of the theft warning horn request signal received from BCM 
via CAN communication.

HORN CHIRP
[OFF/ON]

Displays the status of the horn reminder signal received from BCM via CAN com-
munication.

Monitor Item

[Unit]

MAIN SIG-

NALS

Description

Test item

Operation

Description

REAR DEFOGGER

OFF

OFF

ON

Operates rear window defogger relay.

FRONT WIPER

OFF

OFF

LO

Operates the front wiper relay.

HI

Operates the front wiper relay and front wiper high relay.

MOTOR FAN

1

OFF

2

OFF

3

Operates the cooling fan relay.

4

Operates the cooling fan relay.

EXTERNAL LAMPS

Off

OFF

TAIL

Operates the tail lamp relay.

Lo

Operates the headlamp low relay.

Hi

Operates the headlamp low relay and the headlamp (LH/RH) high relays alter-
nately at 1 second intervals.

Fog

Operates the front fog lamp relay

HORN

ON

Operates horn relay for 20 ms.

2010 Pathfinder

WIPER AND WASHER FUSE

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COMPONENT DIAGNOSIS

WIPER AND WASHER FUSE

Description

INFOID:0000000005256360

Fuse list

Diagnosis Procedure

INFOID:0000000005256361

1.

 CHECK FUSES

Check that the following fuses are not blown.

Is the fuse blown?

YES

>> Replace the fuse after repairing the applicable circuit.

NO

>> The fuse is normal.

Unit

Location

Fuse No.

Capacity

Front wiper motor

IPDM E/R

39

30 A

Front and rear washer motor

Fuse block (J/B)

15

10 A

Unit

Location

Fuse No.

Capacity

Front wiper motor

IPDM E/R

39

30 A

Front and rear washer motor

Fuse block (J/B)

15

10 A

2010 Pathfinder

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FRONT WIPER MOTOR LO CIRCUIT

FRONT WIPER MOTOR LO CIRCUIT

Component Function Check

INFOID:0000000005256362

1.

 CHECK FRONT WIPER LO OPERATION

IPDM E/R AUTO ACTIVE TEST

1. Start IPDM E/R auto active test. Refer to 

PCS-12, "Diagnosis Description"

.

2. Check that the front wiper operates at the LO operation.

CONSULT-III ACTIVE TEST

1. Select "FRONT WIPER" of IPDM E/R active test item.

2. While operating the test item, check front wiper operation.

Is front wiper (LO) operation normal?

YES

>> Front wiper motor LO circuit is normal.

NO

>> Refer to 

WW-18, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005256363

Regarding Wiring Diagram information, refer to 

WW-30, "Wiring Diagram"

.

1.

 CHECK FRONT WIPER MOTOR FUSE

1. Turn the ignition switch OFF.

2. Check that the following fuse is not blown.

Is the fuse blown?

YES

>> GO TO 2

NO

>> GO TO 3

2.

 CHECK FRONT WIPER MOTOR (LO) SHORT CIRCUIT

1. Disconnect IPDM E/R and front wiper motor.

2. Check continuity between IPDM E/R harness connector and

ground.

Does continuity exist?

YES

>> Repair or replace harness.

NO

>> Replace the fuse. (Replace IPDM E/R if the fuse is

blown again.)

3.

 CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

LO

: Front wiper (LO) operation

OFF

: Stop the front wiper.

Unit

Location

Fuse No.

Capacity

Front wiper motor

IPDM E/R

39

30 A

IPDM E/R

Ground

Continuity

Connector

Terminal

E121

32

No

ALLIA0447ZZ

2010 Pathfinder

FRONT WIPER MOTOR LO CIRCUIT

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1. Turn the ignition switch ON.

2. Select "FRONT WIPER" of IPDM E/R active test item.

3. While operating the test item, check voltage between IPDM E/R

harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 4

NO

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

4.

 CHECK FRONT WIPER MOTOR (LO) OPEN CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect IPDM E/R and front wiper motor.

3. Check continuity between IPDM E/R harness connector and

front wiper motor harness connector.

Does continuity exist?

YES

>> Replace front wiper motor. Refer to 

WW-78, "Removal

and Installation"

.

NO

>> Repair or replace harness.

Terminals

Test item

Voltage 

(Approx.)

(+)

(-)

IPDM E/R

Ground

FRONT WIPER

Connector

Terminal

E121

32

LO

Battery 
voltage

OFF

0V

WKIA3759E

IPDM E/R

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E121

32

E23

1

Yes

WKIA3197E

2010 Pathfinder

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FRONT WIPER MOTOR HI CIRCUIT

FRONT WIPER MOTOR HI CIRCUIT

Component Function Check

INFOID:0000000005256364

1.

 CHECK FRONT WIPER HI OPERATION

IPDM E/R AUTO ACTIVE TEST

1. Start IPDM E/R auto active test. Refer to 

PCS-12, "Diagnosis Description"

.

2. Check that the front wiper operates at the HI operation.

CONSULT-III ACTIVE TEST

1. Select "FRONT WIPER" of IPDM E/R active test item.

2. While operating the test item, check front wiper operation.

Is front wiper (HI) operation normal?

YES

>> Front wiper motor HI circuit is normal.

NO

>> Refer to 

WW-20, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005256365

Regarding Wiring Diagram information, refer to 

WW-30, "Wiring Diagram"

.

1.

 CHECK FRONT WIPER MOTOR FUSE

1. Turn the ignition switch OFF.

2. Check that the following fuse is not blown.

Is the fuse blown?

YES

>> GO TO 2

NO

>> GO TO 3

2.

 CHECK FRONT WIPER MOTOR (HI) SHORT CIRCUIT

1. Disconnect IPDM E/R and front wiper motor.

2. Check continuity between IPDM E/R harness connector and

ground.

Does continuity exist?

YES

>> Repair or replace harness.

NO

>> Replace the fuse. (Replace IPDM E/R if the fuse is

blown again.)

3.

 CHECK FRONT WIPER MOTOR (HI) OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

HI

: Front wiper (HI) operation

OFF

: Stop the front wiper.

Unit

Location

Fuse No.

Capacity

Front wiper motor

IPDM E/R

39

30 A

IPDM E/R

Ground

Continuity

Connector

Terminal

E121

35

No

ALLIA0448ZZ

2010 Pathfinder

FRONT WIPER MOTOR HI CIRCUIT

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1. Turn the ignition switch ON.

2. Select "FRONT WIPER" of IPDM E/R active test item.

3. While operating the test item, check voltage between IPDM E/R

harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 4

NO

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

4.

 CHECK FRONT WIPER MOTOR (HI) OPEN CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect IPDM E/R and front wiper motor.

3. Check continuity between IPDM E/R harness connector and

front wiper motor harness connector.

Does continuity exist?

YES

>> Replace front wiper motor. Refer to 

WW-78, "Removal

and Installation"

.

NO

>> Repair or replace harness.

Terminals

Test item

Voltage 

(Approx.)

(+)

(-)

IPDM E/R

Ground

FRONT WIPER

Connector

Terminal

E121

35

HI

Battery 
voltage

OFF

0 V

WKIA3760E

IPDM E/R

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E121

35

E23

4

Yes

WKIA3199E

2010 Pathfinder

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< COMPONENT DIAGNOSIS >

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

Component Function Check

INFOID:0000000005256366

1.

 CHECK FRONT WIPER (AUTO STOP) SIGNAL CHECK

CONSULT-III DATA MONITOR

1. Select "FR WIPER STOP" of IPDM E/R data monitor item.

2. Operate the front wiper.

3. Check that "FR WIPER STOP" changes to "ON" and "OFF" linked with the wiper operation.

Is the status of item normal?

YES

>> Front wiper auto stop signal circuit is normal.

NO

>> Refer to 

WW-22, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005256367

Regarding Wiring Diagram information, refer to 

WW-30, "Wiring Diagram"

.

1.

 CHECK FRONT WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE

1. Turn the ignition switch ON.

2. Check voltage between IPDM E/R harness connector and

ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

 CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect IPDM E/R and front wiper motor.

3. Check continuity between IPDM E/R harness connector and

ground.

Does continuity exist?

YES

>> Repair or replace harness.

NO

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

3.

 CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY

Monitor item

Condition

Monitor status

FR WIPER STOP

Front wiper motor

Stop position

ON

Except stop position

OFF

Terminals

Voltage 

(Approx.)

(+)

(-)

IPDM E/R

Ground

Connector

Terminal

E122

43

Battery voltage

WKIA1431E

IPDM E/R

Ground

Continuity

Connector

Terminal

E122

43

No

WKIA1429E

2010 Pathfinder