INFINITI FX35 2006 Service Manual

FRONT WIPER AND WASHER SYSTEM WW-19
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Revision: 2006 December 2006 FX35/FX45
How to Proceed With Trouble DiagnosisNKS0032E
1. Confirm the symptoms and customer complaint.
2. Understand operation description and function description. Refer to WW-4, "
System Description" .
3. Perform the Preliminary Check. Refer to WW-19, "
Preliminary Check" .
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 CheckNKS0032F
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSE
Check for blown fuses.
Refer to WW-12, "
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 PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
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.
Unit Power source Fuse and fusible link No.
Front 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
(+) (-) 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
PKIB5199E
BCM connector Terminal Ground Continuity
M4 49
Ye s
52
PKIB3545E

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FRONT WIPER AND WASHER SYSTEM
Revision: 2006 December 2006 FX35/FX45
CONSULT-II Functions (BCM)NKS0032G
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
WORK SUPPORT
Operation Procedure
1. Touch “WIPER” on “SELECT TEST ITEM” screen.
2. Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
3. Touch “WIPER SPEED SETTING” on “SELECT WORK ITEM” screen.
4. Touch “START”.
5. Touch “CHANGE SETT”.
6. The setting will be changed and “CUSTOMIZING COMPLETED” will be displayed.
7. Touch “END”.
Display Item List
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 “SELECT MONITOR ITEM” screen.
4. When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is selected, all the items will be monitored.
5. Touch “START”.
6. Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop recording, touch “STOP”.
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-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-II 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 —
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitors 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 WIPER 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.
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
signal.

FRONT WIPER AND WASHER SYSTEM WW-21
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Revision: 2006 December 2006 FX35/FX45
NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Operation Procedure
1. Touch “WIPER” on “SELECT TEST ITEM” screen.
2. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “OFF” deactivates the operation.
Display Item List
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)/Operating (OFF)” status as judged from auto-stop signal.
VEHICLE SPEED “km/h” Displays vehicle speed status as judged from vehicle speed signal.
RR WIPER ON “ON/OFF” Displays “Rear Wiper ON (ON)/Other (OFF)” 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 “Rear Washer Switch (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER STOP “ON/OFF” Displays “Rear Wiper Stop (ON)/Other (OFF)” status, as judged from wiper switch signal.
RR WIPER STP2
NOTE“OFF” —
H/L WASH SW
NOTE“OFF” —
Monitor item Contents
Test item Display on CONSULT-II 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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FRONT WIPER AND WASHER SYSTEM
Revision: 2006 December 2006 FX35/FX45
CONSULT-II Functions (IPDM E/R)NKS0032H
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE ” screen.
2. Touch “ALL SIGNALS”, “MAIN SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen.
3. Touch the required monitoring item on “SELECTION FROM MENU”. In “ALL SIGNALS”, all items are monitored. In “MAIN SIGNALS”, predetermined items are monitored.
4. Touch “START”.
5. Touch “RECORD” while monitoring to record the status of the item being monitored. To stop recording, touch “STOP”.
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
Operation Procedure
1. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Touch item to be tested, and check operation.
3. Touch “START”.
4. Touch “OFF” while testing to stop the operation.
Diagnosis Mode Description
SELF-DIAG RESULTS Refer to PG-19, "
SELF-DIAG RESULTS" .
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.
ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects items and monitors them.
Item name CONSULT-II
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
Test item CONSULT-II 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.

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Revision: 2006 December 2006 FX35/FX45
Front Wiper Does Not OperateNKS0032I
CAUTION:

During IPDM E/R fail-safe control, front wipers may not operate. Refer to PG-17, "CAN COMMUNI-
CATION LINE CONTROL" in “PG IPDM E/R” to make sure that it is not in fail-safe status.
1. ACTIVE TEST
With CONSULT-ll
1. Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “LO” or “HI” screen.
Without CONSULT-ll
Start up auto active test. Refer to PG-21, "
Auto Active Test" .
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 connec- tor.
3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector terminal.
4. Check continuity between IPDM E/R harness connector terminal 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 E57
terminal 2 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
SKIA3486E
IPDM E/R Front wiper motor Continuity
Connector Terminal Connector Terminal
E7 21
E57 1
Ye s
31 4
IPDM E/R connector Terminal Ground Continuity
E7 21
No
31
PKIA7650E
2 – Ground : Continuity should exist.
PKIA5193E

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FRONT WIPER AND WASHER SYSTEM
Revision: 2006 December 2006 FX35/FX45
4. CHECK IPDM E/R
With CONSULT-ll
1. Connect IPDM E/R connector and front wiper motor connector.
2. Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
4. Touch “LO” or “HI” screen.
5. Check voltage between IPDM E/R harness connector and ground while front wiper (HI, LO) is operating.
Without CONSULT-ll
1. Connect IPDM E/R connector and front wiper motor connector.
2. Start up auto active test. Refer to PG-21, "
Auto Active Test" .
3. Check voltage between IPDM E/R harness connector and ground while front wiper (HI, LO) is operating.
OK or NG
OK >> Replace front wiper motor.
NG >> Replace IPDM E/R.
5. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-ll
1. Select “BCM” on CONSULT-II, and select “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-ll
Refer to LT- 1 2 0 , "
Combination Switch Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Check combination switch (wiper switch). Refer to LT-
120, "Combination Switch Inspection" .
(+)
(-) Condition Voltage
IPDM E/R connector Terminal
E7 21
Ground Stopped Approx. 0 V
LO operation Battery voltage
31 Stopped Approx. 0 V
HI operation Battery voltage
(+) (-) Condition Voltage
IPDM E/R connector Terminal
E7 21
Ground Stopped Approx. 0 V
LO operation Battery voltage
31 Stopped Approx. 0 V
HI operation Battery voltage
PKIA5194E
PKIB0110E

FRONT WIPER AND WASHER SYSTEM WW-25
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Revision: 2006 December 2006 FX35/FX45
6. CHECK CIRCUIT BETWEEN IPDM E/R AND BCM
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
CAN COMM CIRCUIT>>Check CAN communication line of BCM. Refer to BCS-14, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .
Front Wiper Does Not Return to Stop PositionNKS0032J
1. CHECK FRONT WIPER STOP SIGNAL
With CONSULT-ll
Select “IPDM E/R” on CONSULT-II. With “DATA MONITOR”, make
sure that “WIP AUTO STOP” turns “ACT P” - “STOP P” linked with
wiper operation.
Without CONSULT-ll
GO TO 2.
OK or NG
OK >> Replace IPDM E/R.
NG >> GO TO 2.
2. CHECK IPDM E/R
1. Turn ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Turn ignition switch ON.
4. Check voltage between front wiper harness connector E57 ter- minal 5 and Ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
PKIA7627E
PKIA7614E
5 – Ground : Battery voltage.
PKIA7662E

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FRONT WIPER AND WASHER SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK FRONT WIPER AUTO STOP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector E7 ter- minal 32 and front wiper motor harness connector E57 terminal
5.
4. Check continuity between IPDM E/R harness connector E7 ter- minal 32 and Ground.
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness or connector.
4. CHECK IPDM E/R
1. Connect IPDM E/R connector and front wiper motor connector.
2. Turn ignition switch ON.
3. Check voltage between IPDM E/R harness connector and ground while front wiper motor is stopped and while it is operat-
ing.
OK or NG
OK >> Replace IPDM E/R.
NG >> Replace front wiper motor.
Only Front Wiper Low Does Not OperateNKS0032K
1. ACTIVE TEST
With CONSULT-ll
1. Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “LO” screen.
Without CONSULT-ll
Start up auto active test. Refer to PG-21, "
Auto Active Test"
Does front wiper operate normally?
YES >> Check combination switch (wiper switch). Refer to LT-
120, "Combination Switch Inspection" .
NO >> GO TO 2. 32 – 5 : Continuity should exist.
32 – Ground : Continuity should not exist.
PKIA5195E
(+) (-) Condition Voltage
IPDM E/R connector Terminal
E7 32 Ground Wiper stopped Approx. 0 V
Wiper operating Battery voltage
PKIA5196E
SKIA3486E

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Revision: 2006 December 2006 FX35/FX45
2. CHECK FRONT WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connec- tor.
3. Check continuity between IPDM E/R harness connector E7 ter- minal 21 and front wiper motor harness E57 connector terminal
1.
4. Check continuity between IPDM E/R harness connector E7 ter- minal 21 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK IPDM E/R
With CONSULT-ll
1. Connect IPDM E/R connector and front wiper motor connector.
2. Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
4. Touch “LO” screen.
5. Check voltage between IPDM E/R harness connector E7 termi- nal 21 and ground while front wiper LO is operating.
Without CONSULT-ll
1. Connect IPDM E/R connector and front wiper motor connector.
2. Start up auto active test. Refer to PG-21, "
Auto Active Test" .
3. Check voltage between IPDM E/R harness connector E7 terminal 21 and ground while front wiper LO is operating.
OK or NG
OK >> Replace front wiper motor.
NG >> Replace IPDM E/R. 21 – 1 : Continuity should exist.
21 – Ground : Continuity should not exist.
PKIB6024E
21 – Ground : Battery voltage.
21 – Ground : Battery voltage.
SKIA9167E

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FRONT WIPER AND WASHER SYSTEM
Revision: 2006 December 2006 FX35/FX45
Only Front Wiper Hi Does Not OperateNKS0032L
1. ACTIVE TEST
With CONSULT-ll
1. Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “HI” screen.
Without CONSULT-ll
Start up auto active test. Refer to PG-21, "
Auto Active Test" .
Does front wiper operate normally?
YES >> Check combination switch (wiper switch). Refer to LT-
120, "Combination Switch Inspection" .
NO >> GO TO 2.
2. CHECK FRONT WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connec- tor.
3. Check continuity between IPDM E/R harness connector E7 ter- minal 31 and front wiper motor harness E57 connector terminal
4.
4. Check continuity between IPDM E/R harness connector E7 ter- minal 31 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
SKIA3486E
31 – 4 : Continuity should exist.
31 – Ground : Continuity should not exist.
PKIA5197E