Infiniti FX35 / FX45. Manual - part 978

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< SERVICE INFORMATION >

REAR WIPER AND WASHER SYSTEM

Terminal 

No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

5

Y/R

Combination 
switch input 2

ON

Lighting, turn, wip-
er switch
(Wiper intermittent 
dial position 4)

OFF

Approx. 0 V

Rear washer switch

Approx. 1.0 V

Rear wiper switch ON

Approx. 0.8 v

6

SB

Combination 
switch input 1

ON

Lighting, turn,
wiper switch
(Wiper intermittent 
dial position 4)

OFF

Approx. 0 V

Rear wiper INT

Approx. 1.0 V

32

GY/R

Combination 
switch output 5

ON

Lighting, turn,
wiper switch
(Wiper intermittent 
dial position 4)

OFF

Approx. 7.0 - 7.5 V

Rear wiper ON

Approx. 1.0 V

PKIB4959J

PKIB4955J

PKIB4959J

PKIB4960J

PKIB4956J

REAR WIPER AND WASHER SYSTEM

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How to Proceed with Trouble Diagnosis

INFOID:0000000001328580

1.

Confirm the symptoms and customer complaint.

33

G

Combination 
switch output 4

ON

Lighting, turn, wip-
er switch
(Wiper intermittent 
dial position 4)

OFF

Approx. 7.2 V

Rear wiper switch INT

Approx. 1.2 V

34

W/B

Combination 
switch output 3

ON

Lighting, turn, wip-
er switch
(Wiper intermittent 
dial position 4)

OFF

Approx. 7.2 V

Rear washer switch

Approx. 1.2 V

38

W/L

Ignition switch 
(ON) 

ON

—

Battery voltage

39

L

CAN 

−

 

H

—

—

—

40

P

CAN 

−

 

L

—

—

—

42

L/R

Battery power 
supply

OFF

—

Battery voltage

49

B

Ground

ON

—

Approx. 0 V

52

B

Ground

ON

—

Approx. 0 V

55

G

Battery power 
supply

OFF

—

Battery voltage

59

Y

Rear wiper auto 
stop signal

ON

Wiper operating

Approx. 0 V

Wiper stopped

Battery voltage

70

SB

Rear wiper mo-
tor output signal

ON

Wiper switch

OFF

Approx. 0 V

ON

Battery voltage

Terminal 

No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

PKIB4960J

PKIB4958J

PKIB4960J

PKIB4958J

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< SERVICE INFORMATION >

REAR WIPER AND WASHER SYSTEM

2.

Understand operation description and function description. Refer to 

WW-30, "System Description"

.

3.

Perform the Preliminary Check. Refer to 

WW-36, "Preliminary Check"

.

4.

Check symptom and repair or replace the cause of malfunction.

5.

Does the rear wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4.

6.

INSPECTION END

Preliminary Check

INFOID:0000000001328581

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSES

Check for blown fuses.

Refer to 

WW-32, "Wiring Diagram - WIP/ R -"

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OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, Refer to 

PG-

3, "Schematic"

.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

CONSULT-III Functions (BCM)

INFOID:0000000001328582

CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.

Unit

Power source

Fuse and fusible link No.

BCM

Battery

M

22

Ignition ON or START

1

Front and rear washer pump

Ignition ON or START

84

(+)

(-)

Ignition switch position

BCM connector

Terminal

OFF

ON

M3

38

Ground

Approx. 0 V

Battery voltage

M4

42

Battery voltage

Battery voltage

55

Battery voltage

Battery voltage

PKIA7520E

BCM connector

Terminal

Ground

Continuity

M4

49

Yes

52

SKIA5294E

REAR WIPER AND WASHER SYSTEM

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DATA MONITOR

Display Item List

NOTE:

This item is displayed, but cannot be monitored.

ACTIVE TEST

Display Item List

Rear Wiper Does Not Operate

INFOID:0000000001328583

1.

CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM

With CONSULT-III

1.

Select “RR WIPER ON” of BCM data monitor item.

2.

With operating the wiper switch, check the monitor status.

Without CONSULT-III

Refer to 

LT-104, "Combination Switch Inspection"

.

BCM diagnosis position

Diagnosis mode

Description

WIPER

DATA MONITOR

Displays BCM input data in real time.

ACTIVE TEST

Device operation can be checked by applying a drive signal to device.

Monitor item 

Contents

IGN ON SW

“ON/OFF”

Displays status (ignition switch IGN position: ON/other: OFF) of ignition switch judged from the 
ignition switch signal.

IGN SW CAN

“ON/OFF”

Displays status (ignition switch IGN position: ON/other: OFF) of ignition switch judged from the 
ignition switch signal (CAN communication lines).

FR WIPER HI

“ON/OFF”

Displays status (front wiper switch high position: ON/other: OFF) of front wiper high switch 
judged from the front wiper switch signal.

FR WIPER LOW

“ON/OFF”

Displays status (front wiper switch low position: ON/other: OFF) of front wiper low switch 
judged from the front wiper switch signal.

FR WIPER INT

“ON/OFF”

Displays status (front wiper switch intermittent position: ON/other: OFF) of front wiper intermit-
tent switch judged from the front wiper switch signal.

FR WASHER SW

“ON/OFF”

Displays status (front washer switch ON position: ON/other: OFF) of front washer switch 
judged from the front wiper switch signal.

INT VOLUME

“1 - 7”

Displays status (wiper intermittent dial position setting 1- 7) of intermittent volume switch 
judged from the front wiper switch signal.

FR WIPER STOP

“ON/OFF”

Displays status (front wiper stop position: ON/move: OFF) of front wiper motor stop judged 
from the front wiper auto stop signal.

VEHICLE SPEED

 “km/h”

Displays status vehicle speed as judged from vehicle speed signal.

RR WIPER ON 

“OFF”

Displays status (rear wiper switch ON position: ON/other: OFF) of rear wiper switch judged 
from the rear wiper switch signal.

RR WIPER INT

“OFF”

Displays status (rear wiper switch intermittent position: ON/other: OFF) of rear wiper intermit-
tent switch judged from the rear wiper switch signal.

RR WASHER SW

“OFF”

Displays status (rear washer switch ON position: ON/other: OFF) of rear washer switch judged 
from the rear wiper switch signal.

RR WIPER STOP

“OFF”

Displays status (rear wiper stop position: OFF/move: ON) of rear wiper motor stop judged from 
the rear wiper auto stop signal.

H/L WASH SW 

NOTE

“ON/OFF”

—

Test item

Display on CONSULT-III screen

Description

Front wiper output

FR WIPER

With a certain operation (OFF, HI, LO, INT), front wiper can be operated.

Rear wiper output

RR WIPER

Rear wiper can be operated by any ON-OFF operation