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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< SERVICE INFORMATION >
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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
.
3.
Perform the Preliminary Check. Refer to
.
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 -"
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.
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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< SERVICE INFORMATION >
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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
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
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