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WIPER, WASHER & HORN

K ELECTRICAL

SECTION
WIPER, WASHER & HORN
WW B

E
CONTENTS
PRECAUTION ........................................................... 3 . Only Front Wiper Hi Does Not Operate ................. 26 . F
Precautions for Supplemental Restraint System Only Front Wiper Intermittent Does Not Operate ... 28
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Front Wiper Interval Time Is Not Controlled by Vehi-
SIONER" ................................................................. 3
. cle Speed ............................................................... 28
. G
Wiring Diagrams and Trouble Diagnosis ................. 3 . Front Wiper Intermittent Operation Switch Position
FRONT WIPER AND WASHER SYSTEM ................. 4 . Cannot Be Adjusted ............................................... 28 .
Components Parts and Harness Connector Loca- Wiper Does Not Wipe When Front Washer Operates
H
tion .......................................................................... 4
. ... 29
System Description ................................................. 4 . After Front Wiper Operate for 10 Seconds, They
OUT LINE ............................................................. 4
. Stop for 20 Seconds, and After Repeating the Oper-
LOW SPEED WIPER OPERATION ..................... 5 . ations Five Times, They Become Inoperative ....... 30 . I
HIGH SPEED WIPER OPERATION .................... 5 . Front Wiper Does Not Stop .................................... 31 .
INTERMITTENT OPERATION ............................. 5 . Removal and Installation of Front Wiper Arms,
AUTO STOP OPERATION ................................... 6 . Adjustment of Wiper Arms Stop Location .............. 32 . J
WASHER OPERATION ........................................ 6 . REMOVAL .......................................................... 32 .
MIST OPERATION ............................................... 6 . INSTALLATION .................................................. 32 .
FAIL-SAFE FUNCTION ........................................ 7 . ADJUSTMENT ................................................... 32 .
WW
COMBINATION SWITCH READING FUNCTION 7 ..... Removal and Installation of Front Wiper Motor
CAN Communication System Description ............... 9 . Assembly ............................................................... 32
.
CAN Communication Unit ....................................... 9 . REMOVAL .......................................................... 32 .
Schematic ............................................................. 10. INSTALLATION .................................................. 33 . L
Wiring Diagram -- WIPER -- ................................11 . Disassembly and Assembly of Front Wiper Motor
Terminals and Reference Values for BCM ............ 14 . Assembly ............................................................... 33
.
Terminals and Reference Values for IPDM E/R .... 14 . DISASSEMBLY .................................................. 33 . M
How to Proceed With Trouble Diagnosis ............... 15 . ASSEMBLY ........................................................ 33 .
Preliminary Check ................................................. 15 . Washer Nozzle Adjustment ................................... 34 .
CHECK POWER SUPPLY AND GROUND CIR- Washer Tube Layout ............................................. 35 .
CUIT ................................................................... 15
. Removal and Installation of Front Washer Nozzle... 35
CONSULT-II Functions (BCM) .............................. 17 . Removal and Installation of Front Washer Joint .... 35 .
CONSULT-II BASIC OPERATION ...................... 17 . Inspection of CHECK VALVE ................................ 35 .
WORK SUPPORT .............................................. 18 . Removal and Installation of Front Wiper and Washer
DATA MONITOR ................................................ 18 . Switch .................................................................... 35
.
ACTIVE TEST .................................................... 19 . Removal and Installation of Washer Tank ............. 36 .
CONSULT-II Functions (IPDM E/R) ...................... 20 . REMOVAL .......................................................... 36 .
CONSULT-II BASIC OPERATION ...................... 20 . INSTALLATION .................................................. 36 .
DATA MONITOR ................................................ 21 . Removal and Installation of Washer Pump ............ 37 .
ACTIVE TEST .................................................... 21 . REMOVAL .......................................................... 37 .
Front Wiper Does Not Operate ............................. 22 . INSTALLATION .................................................. 37 .
Front Wiper Does Not Return to Stop Position ...... 24 . CIGARETTE LIGHTER ............................................ 38 .
Only Front Wiper Low Does Not Operate ............. 25 .

Edition; 2004 September WW-1 2005 G35 Sedan
Wiring Diagram -- CIGAR -- ................................ 38 . HORN .......................................................................42
.
Removal and Installation ....................................... 39
. Wiring Diagram -- HORN -- .................................42 .
REMOVAL .......................................................... 39
. Removal and Installation ........................................43 .
INSTALLATION ................................................... 39
. REMOVAL ...........................................................43 .
POWER SOCKET .................................................... 40
. INSTALLATION ...................................................43 .
Wiring Diagram -- P/SCKT -- ............................... 40 .
Removal and Installation of Console Power Socket 41 ...
REMOVAL .......................................................... 41
.
INSTALLATION ................................................... 41
.

Edition; 2004 September WW-2 2005 G35 Sedan
PRECAUTION

PRECAUTION PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS009J3

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front C
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: D
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer. E
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section. F
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
G
Wiring Diagrams and Trouble Diagnosis AKS009J4

When you read Wiring diagrams, refer to the following:
H
q Refer to GI-14, "How to Read Wiring Diagrams" .
q Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" for power distribution circuit.
When you perform trouble diagnosis, refer to the following: I
q Refer to GI-10, "How to Follow Trouble Diagnoses" .
q Refer to GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident" .
J

Edition; 2004 September WW-3 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

FRONT WIPER AND WASHER SYSTEM PFP:28810

Components Parts and Harness Connector Location AKS009J5

PKIB3609E

System Description AKS00CNN

q All front wiper relays (HI, LO) are included in IPDM E/R (intelligent power distribution module engine
room).
q Wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input termi-
nals. Terminal combination status is read by BCM (body control module) when switch is turned ON.
q BCM controls front wiper LO, HI, and INT (intermittent) operation.
q IPDM E/R operates wiper motor according to CAN communication signals from BCM.
OUT LINE
Power is supplied at all times
q to ignition relay, located in IPDM E/R, from battery direct,
q through 50 A fusible link (letter F, located in fuse, fusible link and relay box)
q to BCM terminal 55,
q through 10 A fuse [No.18 located in fuse block (J/B)]
q to BCM terminal 42,
q through 20 A fuse (No.73 located in IPDM E/R)
q to front wiper relay, located in IPDM E/R,
q through 15 A fuse (No.78 located in IPDM E/R)
q to CPU located in IPDM E/R,
q through 10 A fuse (No.71 located in IPDM E/R)
q to CPU located in IPDM E/R.
Edition; 2004 September WW-4 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

When ignition switch is in ON or START position, power is supplied
q through ignition relay, located in IPDM E/R A
q to front wiper relay, located in IPDM E/R,
q to front wiper high relay, located in IPDM E/R, and
B
q to CPU located in IPDM E/R,
q through 10 A fuse [No.1 located in fuse block (J/B)]
q to BCM terminal 38, C
q through 10 A fuse (No.84 located in IPDM E/R)
q through IPDM E/R terminal 44
q to front washer motor terminal 2. D
Ground is supplied
q to BCM terminal 52
q through grounds M30 and M66, E
q to IPDM E/R terminals 38 and 60
q through grounds E17 and E43,
F
q to combination switch terminal 12
q through grounds M30 and M66.
LOW SPEED WIPER OPERATION G
When the front wiper switch is in low position, BCM detect low speed wiper ON signal by BCM wiper switch
reading function.
BCM sent front wiper request signal (LOW) with CAN communication line H
q from BCM terminals 39 and 40
q to IPDM E/R terminals 48 and 49.
When the IPDM E/R receives front wiper request signal (LOW), it turns ON front wiper relay, located in the I
IPDM E/R, power is supplied
q to front wiper motor terminal 3
q through IPDM E/R terminal 21 and front wiper high relay and front wiper relay. J
Ground is supplied
q to front wiper motor terminal 2
WW
q through grounds E17 and E43.
with power and ground is supplied, front wiper motor operates at low speed.
HIGH SPEED WIPER OPERATION L
When the front wiper switch is in HI position, BCM detect high speed wiper ON signal by BCM wiper switch
reading function.
BCM sent front wiper request signal (HI) with CAN communication line M
q from BCM terminals 39 and 40
q to IPDM E/R terminals 48 and 49.
When the IPDM E/R receives front wiper request signal (HI), it turns ON front wiper relay, located in IPDM E/
R, power is supplied
q to front wiper motor terminal 5
q through IPDM E/R terminal 31 and front wiper high relay and front wiper relay.
Ground is supplied
q to front wiper motor terminal 2
q through grounds E17 and E43.
with power and ground is supplied, front wiper motor operates at high speed.
INTERMITTENT OPERATION
Front wiper intermittent operation delay interval is determined from a combination of 3 switches (intermittent
operation dial position 1, 2, and 3) and vehicle speed signal.
After each intermittent operation delay interval, BCM sends front wiper request signal to IPDM E/R.

Edition; 2004 September WW-5 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

Wiper Dial Position Setting
Combination switch
Intermittent operation
Wiper dial position Intermittent operation Intermittent operation Intermittent operation
interval
dial position 1 dial position 2 dial position 3
1 Short ON ON ON
2 ON ON OFF
3 ON OFF OFF

4 OFF OFF OFF

5 OFF OFF ON
6 OFF ON ON
7 Long OFF ON OFF

Example: For wiper dial position 1
Using combination switch reading function, BCM detects ON/OFF status of intermittent operation dial posi-
tions 1, 2, and 3.
When combination switch status is as listed below, BCM determines that it is wiper dial position 1.
q Intermittent operation dial position 1: ON (Continuity exists between combination switch output 3 and input
1.)
q Intermittent operation dial position 2: ON (Continuity exists between combination switch output 5 and input
1.)
q Intermittent operation dial position 3: ON (Continuity exists between combination switch output 4 and input
2.)
BCM determines front wiper intermittent operation delay interval from wiper dial position 1 and vehicle speed,
and sends wiper request signal (INT) to IPDM E/R.
AUTO STOP OPERATION
With wiper switch turned OFF, wiper motor will continue to operate until wiper arms reach windshield base.
When the wiper arms are not located at base of windshield with wiper switch OFF, ground is provided
q from IPDM E/R terminal 21
q to front wiper motor terminal 3, in order to continue wiper motor operation at low speed,
q to IPDM E/R terminal 32
q through front wiper motor terminals 4 and 2
q through grounds E17 and E43.
When the wiper arms reach base of windshield, front wiper motor terminals 4 and 2 are connected, and
ground is supplied
Then the IPDM E/R sends auto stop operation signal to BCM with CAN communication line.
When the BCM receives auto-stop operation signal, BCM sends wiper stop signal to IPDM E/R with CAN com-
munication line.
IPDM E/R stops wiper motor. Wiper motor will then stop wiper arms at the STOP position.
WASHER OPERATION
When the wiper switch is in front wiper washer position, BCM detect front wiper washer signal by BCM wiper
switch reading function. (Refer to WW-7, "COMBINATION SWITCH READING FUNCTION" )
Combination switch ground is supplied
q to front washer motor terminal 1
q through combination switch terminal 11
q through combination switch terminal 12
q through grounds M30 and M66.
With ground is supplied, front washer motor is operated.
When the BCM detects that front washer motor has operated for 0.4 seconds or longer, BCM operates front
wiper motor for low speed.
When the BCM detects washer switch is OFF, low speed operation cycles approximately 2 times and stops.
MIST OPERATION
When the wiper switch is turned to the mist position, wiper low speed operation cycles once and then stops.
Edition; 2004 September WW-6 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

For additional information about wiper operation under this condition, refer to WW-5, "LOW SPEED WIPER
OPERATION" . A
If switch is held in mist position, low speed operation continues.
FAIL-SAFE FUNCTION
If an abnormality occurs in CAN communications, IPDM E/R holds the condition just before fail-safe status is B
initiated until ignition switch is turned OFF. (If wipers were operating in LO just before the initiation of fail-safe
status, they continue to operate in LO until ignition switch is turned OFF.)
COMBINATION SWITCH READING FUNCTION C
Description
q BCM reads combination switch (wiper) status, and controls related systems such as headlamps and wip-
D
ers, according to the results.
q BCM reads information of a maximum of 20 switches by combining five output terminals (OUTPUT 1-5)
and five input terminals (INPUT 1-5).
E
Operation Description
q BCM activates transistors of output terminals (OUTPUT 1-5) periodically, and allows current to flow in
turn. F
q If any (1 or more) switches are turned ON, circuit of output terminals (OUTPUT 1-5) and input terminals
(INPUT 1-5) becomes active.
q At this time, transistors of output terminals (OUTPUT 1-5) are activated to allow current to flow. When volt- G
age of input terminals (INPUT 1-5) corresponding to that switch changes, interface in BCM detects volt-
age change, and BCM determines that switch is ON.
H

SKIA8639E

Edition; 2004 September WW-7 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

BCM - Operation Table of Combination Switches
q BCM reads operation status of combination switch using combinations shown in table below.

SKIA8640E

Sample Operation: (When Wiper Switch Turned to LOW Position)
q When wiper switch is turned to LOW position, front wiper LOW contact in combination switch turns ON. At
this time if OUTPUT 1 transistor is activated, BCM detects that voltage changes in INPUT 3.
q When BCM detects that voltage changes in INPUT 3 while OUTPUT 1 transistor is ON, it judges that front
wiper switch is in LOW position. Then BCM sends front wiper request signal (LO) to IPDM E/R using CAN
communication.
q If BCM detects that voltage changes in INPUT 3 when OUTPUT 1 transistor is activated again, it recog-
nizes that wiper switch is still in LOW position.

PKIA4848E

Edition; 2004 September WW-8 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

NOTE:
Each OUTPUT terminal transistor is activated at 10 ms intervals. Therefore after switch is turned ON, electri- A
cal loads are activated with time delay. But this time delay is so short that it cannot be detected by human
senses.
Operation Mode B
Combination switch reading function has operation modes shown below.
1. Normal status
q When BCM is not in sleep status, OUTPUT terminals (1-5) each turn ON-OFF every 10 ms.
C
2. Sleep status
q When BCM is in sleep status, transistors of OUTPUT (1 and 5) stop the output, and BCM enters low
D
current consumption mode. OUTPUT (2, 3, and 4) turn ON-OFF every 60 ms, and only input from light
switch system is accepted.

PKIB6124E
M
Intermittent Operation
Wiper intermittent operation delay interval is determined from a combination of 3 switches (intermittent opera-
tion dial position 1, intermittent operation dial position 2, and intermittent operation dial position 3) and vehicle
speed signal.
During each intermittent operation delay interval, BCM sends front wiper request signal to IPDM E/R.
CAN Communication System Description AKS009J7

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-board multi-
plex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Unit AKS009J8

Refer to LAN-21, "CAN Communication Unit" .

Edition; 2004 September WW-9 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

Schematic AKS009J9

TKWM0906E

Edition; 2004 September WW-10 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

Wiring Diagram -- WIPER -- AKS009JA

TKWM2105E

Edition; 2004 September WW-11 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

TKWM2106E

Edition; 2004 September WW-12 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

TKWM2107E

Edition; 2004 September WW-13 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

Terminals and Reference Values for BCM AKS00CNO

Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch

Lighting, turn, wiper OFF
2 W/L Combination switch input 5 ON
Wiper dial position 4

PKIB3468E

3 G Combination switch input 4
4 G/R Combination switch input 3
5 W/G Combination switch input 2 Lighting, turn, wiper OFF
ON
Wiper dial position 4

6 W/R Combination switch input 1
PKIB3469E

Lighting, turn, wiper OFF
32 GY Combination switch output 5 ON
Wiper dial position 4

PKIB3470E

33 L Combination switch output 4
34 PU Combination switch output 3
35 Y/R Combination switch output 2 Lighting, turn, wiper OFF
ON
Wiper dial position 4

36 Y Combination switch output 1
PKIB3471E

38 W/L Ignition switch (ON) ON -- Battery voltage
39 L CAN - H -- -- --
40 P CAN - L -- -- --
42 GY Battery power supply OFF -- Battery voltage
52 B Ground ON -- Approx. 0V
55 W/R Battery power supply OFF -- Battery voltage

Terminals and Reference Values for IPDM E/R AKS00CNP

Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch
OFF Approx. 0V
21 PU Low speed signal ON Wiper switch
LOW Battery voltage
OFF Approx. 0V
31 L/B High speed signal ON Wiper switch
HI Battery voltage
Wiper operating Battery voltage
32 L/Y Wiper auto - stop signal ON
Wiper stopped Approx. 0V
38 B Ground ON -- Approx. 0V
44 OR Washer motor power supply ON -- Battery voltage

Edition; 2004 September WW-14 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

Measuring condition
Terminal Wire A
Signal name Ignition Reference value
No. color Operation or condition
switch
48 L CAN - H -- -- --
B
49 P CAN - L -- -- --
60 B/W Ground ON -- Approx. 0V

How to Proceed With Trouble Diagnosis AKS009JD
C

1. Confirm symptoms and customer complaint.
2. Understand operation description and function description. Refer to WW-4, "System Description" . D
3. Perform preliminary check. Refer to WW-15, "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. E
6. INSPECTION END
Preliminary Check AKS00CNQ

CHECK POWER SUPPLY AND GROUND CIRCUIT F

1. CHECK FUSE
G
q Check for blown fuses.
Unit Power source Fuse and fusible link No.
Front washer motor Ignition switch ON or START 84 H
Front wiper motor, front wiper relay, front wiper HI relay Battery 73
F
Battery I
BCM 18
Ignition switch ON or START 1
Refer to WW-11, "Wiring Diagram -- WIPER --" . J
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- WW
3, "POWER SUPPLY ROUTING CIRCUIT" .

2. CHECK POWER SUPPLY CIRCUIT L
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
M
3. Check voltage between BCM harness connector terminal and
ground.
Terminal Ignition switch position
(+)
Terminal (-) OFF ON
Connector
(Wire color)
M2 42 (GY) Battery voltage Battery voltage PKIB5199E

M2 55 (W/R) Ground Battery voltage Battery voltage
M1 38 (W/L) Approx. 0V Battery voltage
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between fuse, fusible link and BCM.

Edition; 2004 September WW-15 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Terminal
Continuity
Connector Terminal (Wire color)
Ground
M2 52 (B) Yes
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.

PKIB5198E

Edition; 2004 September WW-16 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

CONSULT-II Functions (BCM) AKS00CNR

A
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
BCM diagnosis position Diagnosis mode Description
WORK SUPPORT Changes the setting for each function. B
WIPER DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Device operation can be checked by applying a drive signal to device.
C
SELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
BCM
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.

D
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 carry out CAN communication. E
1. With ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON. F

PIIA1095E

2. Touch "START (NISSAN BASED VHCL)". I

BCIA0029E
L

3. Touch "BCM" on "SELECT SYSTEM" screen.
If "BCM" is not indicated, refer to GI-38, "CONSULT-II Data Link M
Connector (DLC) Circuit" .

BCIA0030E

Edition; 2004 September WW-17 2005 G35 Sedan
FRONT WIPER AND WASHER SYSTEM

4. Touch "WIPER" on "SELET TEST ITEM" screen.

PKIB6096E

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
Item Description CONSULT-II Factory setting

WIPER SPEED Vehicle speed sousing type wiper control mode can be changed in this ON

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