Infiniti FX35 / FX45. Manual — part 973
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< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Terminal and Reference Value for IPDM E/R
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How to Proceed with Trouble Diagnosis
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1.
Confirm the symptoms and customer complaint.
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 front wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.
INSPECTION END
Preliminary Check
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CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSE
Check for blown fuses.
WW-8, "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.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
21
P
Low speed signal
ON
Wiper switch
OFF
Approx. 0 V
LOW
Battery voltage
31
PU
High speed signal
ON
Wiper switch
OFF
Approx. 0 V
HI
Battery voltage
32
L
Wiper auto - stop signal
ON
Wiper operating
Battery voltage
Wiper stopped
Approx. 0 V
38
B
Ground
ON
—
Approx. 0 V
44
OR
Front and rear washer pump
power supply
ON
—
Battery voltage
48
L
CAN-H
—
—
—
49
R
CAN-L
—
—
—
60
B
Ground
ON
—
Approx. 0 V
Unit
Power source
Fuse and fusible link No.
Front and Rear washer pump
Ignition switch ON or START
84
Front wiper motor, front wiper relay, front wiper HI relay
Battery
73
BCM
Battery
M
22
Ignition switch ON or START
1
FRONT WIPER AND WASHER SYSTEM
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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)
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CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
WORK SUPPORT
Display Item List
DATA MONITOR
Display Item List
(+)
(-)
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
BCM diagnosis position
Diagnosis mode
Description
WIPER
WORK SUPPORT
Changes the setting for each function.
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Device operation can be checked by applying a drive signal to device.
BCM
SELF-DIAG RESULTS
BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
Item
Description
CONSULT-III
Factory setting
WIPER SPEED
SETTING
Vehicle speed sousing type wiper control mode can be changed in this mode.
Vehicle speed sousing type wiper control mode between two ON/OFF.
ON
×
OFF
—
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.
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FRONT WIPER AND WASHER SYSTEM
NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Display Item List
CONSULT-III Functions (IPDM E/R)
INFOID:0000000001328553
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
DATA MONITOR
All Signals, Main Signals, Selection From Menu
NOTE:
Perform monitoring of IPDM E/R data with ignition switch ON. When ignition switch is at ACC, the display may
not be correct.
ACTIVE TEST
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”
—
Monitor item
Contents
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
Diagnosis Mode
Description
SELF-DIAG RESULTS
Refer to
PG-18, "CONSULT-III Function (IPDM E/R)"
DATA MONITOR
The input/output data of IPDM E/R is displayed in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST
IPDM E/R sends a drive signal to electronic components to check their operation.
Item name
CONSULT-III
screen display
Display or unit
Monitor item selection
Description
ALL
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
FR wiper request
FR WIP REQ
STOP/LOW/HI
×
×
×
Signal status input from BCM
Wiper auto stop
WIP AUTO STOP
ACT P/STOP P
×
×
×
Output status of IPDM E/R
Wiper protection
WIP PROT
OFF/BLOCK
×
×
×
Control status of IPDM E/R
FRONT WIPER AND WASHER SYSTEM
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Front Wiper Does Not Operate
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CAUTION:
During IPDM E/R fail-safe control, front wipers may not operate. Refer to
in “PG IPDM E/R” to make sure that it is not in fail-safe status.
1.
ACTIVE TEST
With CONSULT-III
1.
Select “FRONT WIPER” of IPDM E/R active test item.
2.
With operating the test item, check that front wiper “LO” and “HI” operation.
Without CONSULT-III
Start up auto active test. Refer to
Does front wiper operate normally?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK FRONT WIPER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front wiper motor connector.
3.
Check continuity between IPDM E/R harness connector and
front wiper motor harness connector.
4.
Check continuity between IPDM E/R harness connector and
Ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between front wiper motor harness connector and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK IPDM E/R
Test item
CONSULT-III screen display
Description
Front wiper (HI, LO) output
FR WIPER
With a certain operation (OFF, HI ON, LO ON), front wiper relay (Lo, Hi)
can be operated.
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E7
21
E57
1
Yes
31
4
IPDM E/R connector
Terminal
Ground
Continuity
E7
21
No
31
PKIA7650E
2 – Ground
: Continuity should exist.
PKIA5193E
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