Infiniti M45 (Y34). Manual - part 809

FRONT WIPER AND WASHER SYSTEM

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Terminal and Reference Values for BCM

AKS002LC

Work Flow

AKS002LD

1.

Confirm the symptom or customer complaint.

2.

Understand the system description. Refer to 

WW-4, "System Description"

 .

3.

Perform preliminary inspection. Refer to 

WW-11, "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

AKS002LE

SETTING CHANGE FUNCTIONS

●

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

WW-13, "WORK SUPPORT"

 .

CAUTION:

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

Terminal 

No.

Wire 

color

Item

 Measuring condition

Reference value 

Ignition switch

Operation or condition

4

P

Washer switch signal

ON

Wiper switch

WASH

Approx. 0 V

OFF

Battery voltage

9

OR

Wiper switch INT signal

ON

Wiper switch

INT

Approx. 0 V

OFF

Approx. 8 V

48

R/G

Intermittent wiper 
volume signal

ON

Wiper intermittent 
interval

Long

Approx. 3.6 V

Short

Approx. 0 V

49

PU/W

Vehicle speed signal 
(2-pulse)

ON

Vehicle speed approx. 40 km/h
(25 MPH)

56

B

Ground

ON

-

Approx. 0 V

68

W/B

Ignition on signal

ON

-

Battery voltage

105

Y/L

Battery power supply

OFF

-

Battery voltage

113

B

Ground

ON

-

Approx. 0 V

124

SB

Wiper auto
stop signal

ON

Wiper is moving.

Approx. 0 V

Wiper is stopped.

Battery voltage

128

R/Y

Wiper motor
operation signal

ON

Wiper switch: INT position

ELF1080D

SKIA3507E

Setting change mode

CONSULT-ll (WORK SUPPORT)

Description

Wiper intermittent speed control by vehicle speed

ON

Activated

OFF

Disactivated

WW-12

FRONT WIPER AND WASHER SYSTEM

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT

Inspection procedure

1. 

CHECK FUSE

●

Make sure wiper and washer fuse is blown.

CAUTION:

For fuse number, refer to 

WW-4, "Component Parts and Harness Connector Location"

 .

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 front wiper motor, front washer motor and front wiper relay connector.

2.

Check voltage between the following connector terminals and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace harness of wiper and washer power supply circuit.

3. 

CHECK GROUND CIRCUIT (BCM)

Check for continuity between the following BCM connector terminals and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Replace harness BCM ground circuit.

CONSULT-II Function

AKS002LF

●

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.

Front wiper motor, Front washer motor, Front wiper relay

Ignition ON or START position

34

Unit (Connector)

Terminals (wire color)

Ignition switch condition

 Voltage

(+)

(-)

Front wiper motor (E75)

4 (LG)

Ground

ON

Battery voltage

Front washer motor (E48)

1 (LG)

Front wiper relay (E2-2)

1 (LG)

Unit (Connector)

Terminals (wire color)

Ignition switch condition

Continuity

BCM (M4)

56 (B)

Ground

OFF

Yes

113 (B)

IVMS 

diagnosis part

Check item and 
diagnosis mode

Description

WIPER

WORK SUPPORT

Changes the setting for each function.

DATA MONITOR

Displays data relative to BCM input signals and various control related data for each system.

ACTIVE TEST

Gives a drive signal to a load to check the operation.

BCM PART NUMBER

 Displays BCM part No.

FRONT WIPER AND WASHER SYSTEM

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CONSULT-II BASIC OPERATION PROCEDURE

1.

With ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON.

2.

Touch “START (NISSAN BASED VHCL)”.

3.

Touch “IVMS” on “SELECT SYSTEM” screen. If “IVMS” is not
indicated, refer to 

GI-38, "CONSULT-II Data Link Connector

(DLC) Circuit"

 .

4.

Check the model specification, touch either “WITH SUNROOF”
or “WITHOUT SUNROOF”.

5.

Touch “OK”. If the selection is wrong, touch “CANCEL”.

6.

Select the desired part to be diagnosed on
“SELECT TEST ITEM” screen.

WORK SUPPORT 
Operation Procedure

1.

Touch “WIPER” on “SELECT TEST ITEM” screen.

2.

Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.

3.

Touch “WIP INT VHCL SPD ADJ”on “SELECT WORK ITEM” screen. 

4.

Touch “START”.

●

Wiper intermittent speed control by vehicle speed can be canceled or resumed.

5.

Touch “CURRENT SETTING” for changing “CURRENT SETTING”.
For no changing “CURRENT SETTING”, touch “END”.

PKIA5840E

SKIA3098E

SKIA3783E

PIIA0184E

WW-14

FRONT WIPER AND WASHER SYSTEM

6.

Touch “END” after customizing is completed.

DATA MONITOR 
Operation Procedure

1.

Touch “WIPER” on “SELECT TEST ITEM” screen.

2.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

3.

Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.

4.

Touch “START”.

Date Monitor Item

ACTIVE TEST 
Operation Procedure

1.

Touch “WIPER” on “SELECT TEST ITEM” screen.

2.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.

3.

Touch the item to be tested, and check the operation.

4.

During the operation check, touching “OFF” deactivates the operation.

On Board Diagnosis

AKS002LG

●

IVMS can check communication diagnosis, switch monitor, and power door lock system self-diagnosis
using on board diagnosis.

●

Map lamps and step lamps (all seats) act as the indicators for the on board diagnosis.

DIAGNOSIS ITEM FOR FRONT WIPER AND WASHER SYSTEM 

“CURRENT SETTING”

Wiper intermittent speed control

“ON”

Activated

“OFF”

Disactivated

Monitored item

Description

IGN ON SW

Indicates “IGN [ON] / ACC or OFF [OFF]” condition of ignition switch signal.

INT SW

Indicates “ INT Position [ON] / Others [OFF]” condition of wiper switch signal.

WASH SW

Indicates “WASH Position [ON] / Others [OFF]” condition of wiper switch signal.

VHCL SPEED SE

Indicates “Vehicle is moving [RUN] / Vehicle Stopped [STOP]” condition of vehicle speed signal.

WIPR AUTO STP

Indicates “INT or OFF Position [IGN] / LO or HI Position [OFF]” condition of wiper switch signal.

INTRESIST

Indicates “ Intermittent Resistance Value [approx. 0 to 1]” condition wiper switch signal.

Test item “WIPER AMP”

Wiper motor operation

“ON”

Operate

“OFF”

Stop

Diagnosis item

Description

Switch monitor

It can check wiper and washer switch.