Infiniti F50. Manual - part 830

WASHER SYSTEM

WW-7

C

D

E

F

G

H

I

J

L

M

A

B

WW

TKWM0431E

WW-8

WASHER SYSTEM

Terminals and Reference Values for BCM

EKS001IW

TKWM0432E

Terminal 

No.

Wire 

color

Item

 Condition

Reference value (V) 

Ignition 

switch

 Operation or condition

4

P

Washer switch signal

ON

Front wiper switch

WASH

Approx. 0

OFF

Approx. 12

9

OR

Front wiper switch INT 
signal

ON

Front wiper switch

INT

Approx. 0

OFF

Approx. 8

48

G/OR

Intermittent wiper volume 
signal

ON

Wiper intermittent 
interval

Long.

Approx. 3.6

Short.

Approx. 0

WASHER SYSTEM

WW-9

C

D

E

F

G

H

I

J

L

M

A

B

WW

Work Flow

EKS001IX

1.

Confirm the symptom or customer complaint.

2.

Understand the system description, refer to 

WW-3, "System Description"

 .

3.

Perform preliminary inspection, refer to 

WW-9, "Preliminary Inspection"

 .

4.

According to the trouble diagnosis chart, repair or replace the cause of the malfunction.

5.

Does wiper function operate normally? If it operates normally, go to 6. If not, go to 4.

6.

Inspection end.

Preliminary Inspection

EKS001IY

SETTING CHANGE FUNCTIONS

●

With CONSULT-II, each function can be changed in setting, refer to 

WW-12, "WORK SUPPORT"

 .

CAUTION:

After the setting was changed, the new setting will be maintained even if the battery was discon-
nected.

49

PU/W

Vehicle speed signal (2-
pulse)

ON

Vehicle speed approx. 40 km/h

56

B

Ground

ON

–

Approx. 0

68

W/B

ignition on signal

ON

–

Approx. 12

105

Y/L

Battery power supply

OFF

–

Approx. 12

113

B

Ground

ON

–

Approx. 0

124

SB

Front wiper auto
stop signal

ON

Front wiper is moving

Approx. 0

Front wiper while the vehicle is 
stopped

Approx. 12

128

R/Y

Front wiper motor
operation signal

ON

Front wiper switch: INT position

Terminal 

No.

Wire 

color

Item

 Condition

Reference value (V) 

Ignition 

switch

 Operation or condition

ELF1080D

SKIA0209J

Setting change mode

CONSULT-ll

(WORK SUPPORT)

Description

Wiper intermittent speed control by vehicle 
speed

ON

Activated

OFF

Inactivated

WW-10

WASHER SYSTEM

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT

1. 

CHECK FUSE

Check if any of the following fuses in BCM are blown.

Refer to 

WW-6, "Wiring Diagram — WIPER —"

 .

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-

2, "POWER SUPPLY ROUTING"

 .

2. 

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect the BCM connector.

2.

Check voltage between BCM harness connector M4 terminals
68 (W/B), 105 (Y/L) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short power supply circuit.

3. 

CHECK GROUND CIRCUIT

1.

Check continuity between BCM harness connector M4 terminals
56 (B), 113 (B) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness.

CONSULT-II Function

EKS001IZ

●

CONSULT-II executes the following functions by combining data received and command transmitted via
the communication line from the BCM. IVMS communication inspection, work support by part, self-diagno-
sis, data monitor, and active test display.

Unit

Power source

Fuse No.

BCM

Battery

3

Ignition switch ON or START

1

Terminals

Ignition switch position

(+)

(–)

OFF

ACC

ON

Connector

Terminals 

(Wire color)

M4

105 (Y/L)

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

68 (W/B)

0V

0V

Battery 
voltage

SKIA4024E

Terminals

Continuity

(+)

(–)

Connector

Terminal 

(Wire color)

BCM (M4)

56 (B)

Ground

Yes

113 (B)

PIIA0170E