2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual WW-8
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Schematic
INFOID:0000000005395057
WKWA4990E
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Wiring Diagram - WIPER -INFOID:0000000005395058
WKWA4991E
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NISSAN LATIO 2010 Service Repair Manual WW-10
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
ABLWA0676GB
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NISSAN LATIO 2010 Service Repair Manual WW-12
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Terminal and Reference Value for BCM
INFOID:0000000005395059
Refer to BCS-12, "Terminal and Reference Value for BCM" .
Terminal and Referen

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< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Terminal and Reference Value for BCM
INFOID:0000000005395059
Refer to BCS-12, "Terminal and Reference Value for BCM" .
Terminal and Reference Value for IPDM E/RINFOID:0000000005395060
Refer to PG-25, "Terminal and Reference Value for IPDM E/R" .
How to Proceed with Trouble DiagnosisINFOID:0000000005395061
1. Confirm symptoms and customer complaint.
2. Understand operation description and function description. Refer to WW-5, "
System Description" .
3. Perform preliminary check. Refer to WW-12, "
Preliminary Check" .
4. Check symptom and repair or replace malfunctioning parts.
5. Does front wiper and washer operate normally ? If YES, GO TO 6. If NO, GO TO 4.
6. Inspection End.
Preliminary CheckINFOID:0000000005395062
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR BCM
Refer to BCS-16, "BCM Power Supply and Ground Circuit Inspection"
CONSULT-III Function (BCM)INFOID:0000000005395063
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
WORK SUPPORT
Display Item List
DATA MONITOR
Display Item List
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 DIAGNOSTIC RESULT 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 sensing type wiper control mode can be changed in this mode. ON
×
OFF —
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitor them.
Monitor item Contents
IGN ON SW “ON/OFF”Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from ignition
switch signal.
IGN SW CAN “ON/OFF”Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from CAN com-
munication signal.
FR WIPER HI “ON/OFF” Displays “FRONT WI PER HI (ON)/Other (OFF)” status as judged from wiper switch signal.
FR WIPER LOW “ON/OFF” Displays “FRONT WIPER LOW (ON)/Other (OFF)” status as judged from wiper switch signal.
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ACTIVE TEST
Display Item List
CONSULT-III Function (IPDM E/R)INFOID:0000000005395064
CONSULT-III can display

FRONT WIPER AND WASHER SYSTEMWW-13
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ACTIVE TEST
Display Item List
CONSULT-III Function (IPDM E/R)INFOID:0000000005395064
CONSULT-III can display each diagnostic item using the diagnostic test modes 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 “FRONT WIPER INT (ON)/Other (OFF)” status as judged from wiper switch signal.
FR WASHER SW “ON/OFF” Displays “FRONT WASHER Switch
(ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
INT VOLUME “1 - 7” Displays intermittent operation dial position setting (1 - 7) as judged from wiper switch signal.
FR WIPER STOP “ON/OFF” Displays “Stopped (ON)/Operati ng (OFF)” status as judged from auto-stop signal.
VEHICLE SPEED “km/h” Displays vehicle speed stat us as judged from vehicle speed signal.
RR WIPER ON “ON/OFF” Displays “REAR WIPER (ON)/Other (O FF)” status as judged from wiper switch signal.
RR WIPER INT “ON/OFF” Displays “REAR WIPER INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WASHER SW “ON/OFF” Displays “FRONT WASHER Switch
(ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
RR WIPER STOP “ON/OFF” Displays “Stopp ed (ON)/Operating (OFF)” status as judged from auto-stop switch 1.
RR WIPER STP2 “ON/OFF” Displays “Stopp ed (ON)/Operating (OFF)” status as judged from auto-stop switch 2.
Monitor item
Contents
Test item Display on CONSULT-III screen Description
Front wiper output FR WIPERFront LO wiper can be operated by any ON-OFF operation.
Rear wiper output RR WIPERRear wiper can be operated by any ON-OFF operation.
IPDM E/R diagnostic Mode Description
SELF DIAGNOSTIC RESULT Displays IPDM E/R self-diagnosis results.
DATA MONITOR Displays IPDM E/R input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects items and monitors them.
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/1LOW/
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
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NISSAN LATIO 2010 Service Repair Manual WW-14
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Front Wiper Does Not Operate
INFOID:0000000005395065
CAUTION:
• During IPDM E/R fail-safe control, fr ont wipers may not operate. Refer to

WW-14
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
Front Wiper Does Not Operate
INFOID:0000000005395065
CAUTION:
• During IPDM E/R fail-safe control, fr ont wipers may not operate. Refer to PG-17, "
System Descrip-
tion" in “PG IPDM E/R” to make sure that it is not in fail-safe status.
1.ACTIVE TEST
With CONSULT-lIl
1. Select “IPDM E/R” on CONSULT-III, and sele ct “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “LO” or “HI” screen.
Without CONSULT-lIl
Start up auto active test. Refer to PG-20, "
Auto Active Test" .
Does front wiper operate normally?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT BETWEEN COMB INATION SWITCH AND BCM
With CONSULT-llI
1. Select “BCM” on CONSULT-III, and sele ct “WIPER” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE ” screen. Make sure that “FR WIPER INT”, “FR
WIPER LOW”, and “FR WIPER HI” turn ON-OFF according to wiper switch operation.
Without CONSULT-lIl
Refer to LT-66, "
Combination Switch Inspection" .
OK or NG
OK >> GO TO 3.
NG >> Check combination switch (wiper switch). Refer to LT-66, "
Combination Switch Inspection" .
3.CHECK CIRCUIT BETWEEN IPDM E/R AND BCM
Select “BCM” on CONSULT-III, and perform self-diagnosis for “BCM”.
Displayed self
-diagnosis results
NO DTC>>Replace BCM. Refer to BCS-19, "Removal and Installation of BCM" .
CAN COMM CIRCUIT>>Check CAN communi cation line of BCM. Refer to BCS-18, "
CAN Communication
Inspection Using CONSULT-III (Self-Diagnosis)" .
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front wiper motor.
3. Check continuity between front wiper motor connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5.CHECK FRONT WIPER CIRCUIT
1. Disconnect IPDM E/R.
Test item CONSULT-III screen display Description
Front wiper (HI, LO) output FRONT WIPER With a certain operation (OFF, HI ON,
LO ON), front wiper relay (Lo, Hi)
can be operated.
Front wiper mo- tor connector Te r m i n a l
GroundContinuity
E1 2 Yes
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2. Check continuity between IPDM E/R connector (A) and front wiper motor connector (B).
3. Check continuity b

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