Infiniti Q45. Manual — part 915
FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
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Terminals and Reference Values for BCM
NKS001F7
Terminal
No.
Wire
color
Item
Condition
Reference value
Ignition
switch
Operation or condition
4
P
Front washer switch signal
ON
Front washer switch
ON
Approx. 0 V
OFF
Battery voltage
9
OR
Front wiper switch INT signal
ON
Front wiper switch
INT
Approx. 0 V
OFF
Approx. 8 V
48
GY/L
Intermittent wiper volume
signal
ON
Wiper intermittent
interval
Long
Approx. 3.6 V
Short
Approx. 0 V
49
P/L
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 switch (ON)
ON
—
Battery voltage
105
Y/L
Battery power supply
OFF
—
Battery voltage
113
B
Ground
ON
—
Approx. 0 V
124
SB
Front wiper auto
stop signal
ON
Front wiper is moving.
Approx. 0 V
Front wiper is stopped.
Battery voltage
126
L
Front wiper HI signal
ON
Front wiper switch: INT position
(HI operation when water is sprin-
kled on rain sensor)
Approx. 0 V
128
R/Y
Front wiper motor
operation signal
ON
Front wiper switch: INT position
(Wiper dial position 4)
134
B/R
Rain sensor signal
ON
Front wiper switch: INT position
(Front wiper is stopped.)
Front wiper switch: INT position
(Wiper is moving when water is
sprinkled on rain sensor.)
ELF1080D
PKIA6250E
SKIA0207J
SKIA0208J
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FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
Work Flow
NKS001F8
1.
Confirm the symptom or customer complaint.
2.
Understand the system description. Refer to
3.
Perform Preliminary Check. Refer to
4.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
5.
Does wiper function operate normally? If YES: GO TO 6. If NO: GO TO 4.
6.
INSPECTION END
Preliminary Check
NKS001F9
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSE
Check for blown fuses.
Refer to
WW-9, "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
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector.
2.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between BCM harness connector and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Unit
Power source
Fuse No.
BCM
Battery
3
Ignition switch ON or START
1
Terminal
Ignition switch position
(+)
(
−
)
OFF
ON
Connector
Terminal
M4
105
Ground
Battery voltage
Battery voltage
68
Approx. 0 V
Battery voltage
PKIB1712E
Terminal
Continuity
Connector
Terminal
Ground
M4
56
Yes
113
PKIA5168E
FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
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CONSULT-II Function (IVMS)
NKS001FA
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which perform CAN communication.
1.
With ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to data link connector, and turn ignition
switch ON.
2.
Select “START (NISSAN BASED VHCL)”.
3.
Select “IVMS”.
If “IVMS” is not indicated, refer to
.
IVMS diagnosis part
Diagnosis mode
Description
WIPER
DATA MONITOR
Displays data relative to BCM input signals and various control related data
for each system.
ACTIVE TEST
Device operation can be checked by applying a drive signal to device.
BCM PART NUMBER
Displays BCM part number.
PKIB0601E
BCIA0029E
BCIA0030E
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FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
4.
Select “WITH SUNROOF” on “SELECT SYS COND” screen.
5.
Touch “OK”. If the selection is wrong, touch “CANCEL”.
6.
Select the desired part to be diagnosed on “SELECT TEST
ITEM” screen.
DATA MONITOR
Operation Procedure
1.
Select “WIPER” on “SELECT TEST ITEM” screen
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Select either “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.
4.
When “SELECTION FROM MENU” is selected, touch items to be monitored. If “ALL SINGNALS” is
selected, all items will be monitored.
5.
Touch “START”.
6.
Touch “RECORDING START” while monitoring to record the status of the item being monitored. To stop
recording, touch “RECORDING STOP”.
Data Monitor Item
ACTIVE TEST
Operation Procedure
1.
Select “WIPER” on “SELECT TEST ITEM” screen.
2.
Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Select the item to be tested, and check the operation.
4.
During the operation check, touching “OFF” deactivates the operation.
PIIA0184E
ALL SIGNALS
Monitors all the signals.
SELECTION FROM MENU
Selects items and monitors them.
Monitored item
Contents
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 front wiper switch signal.
WASH SW
Indicates “WASH position [ON] / Others [OFF]” condition of front wiper switch signal.
VHCL SPEED SE
Indicates “Vehicle is running [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 front wiper switch signal.
INT RESIST
Indicates “ Intermittent resistance value [approx. 0 to 1 kohm]” condition of front wiper switch signal.
RAIN SENSOR
Output value of rain sensor is displayed on the duty ratio.
Test item
Front wiper motor operation
WIPER AMP
ON
Operate (LO)
OFF
Stop
WIPER MOTOR (HI)
ON
Operate (HI)
OFF
Stop
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