Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 350Z 2003-2007 Approved Nissan 350Z 2006 ww
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WIPER, WASHER & HORN
K ELECTRICAL
A
SECTION
WIPER, WASHER & HORN
WW B
C
D
E
CONTENTS
PRECAUTION ........................................................... 3 . Only Front Wiper Low Does Not Operate .............. 28 . F
Precautions for Supplemental Restraint System Only Front Wiper Hi Does Not Operate ................. 29 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Only Front Wiper Intermittent Does Not Operate ... 31
SIONER" ................................................................. 3
. Front Wiper Interval Time Is Not Controlled by Vehi- G
Precautions for Procedures without Cowl Top Cover 3 ..... cle Speed ............................................................... 31
.
Precautions for Battery Service ............................... 3 . Front Wiper Intermittent Operation Switch Position
FRONT WIPER AND WASHER SYSTEM ................. 4 . Cannot Be Adjusted ............................................... 31 .
H
Components Parts and Harness Connector Loca- Wiper Does Not Wipe When Front Washer Operates
tion .......................................................................... 4
. ... 32
System Description ................................................. 4 . After Front Wiper Operate for 10 Seconds, They
OUT LINE ............................................................. 4
. Stop for 20 Seconds, and After Repeating the Oper- I
LOW SPEED WIPER OPERATION ..................... 5 . ations Five Times, They Become Inoperative ....... 32 .
HIGH SPEED WIPER OPERATION .................... 5 . Front Wiper Does Not Stop .................................... 33 .
INTERMITTENT OPERATION ............................. 6 . Removal and Installation of Front Wiper Arms, J
AUTO STOP OPERATION ................................... 6 . Adjustment of Wiper Arms Stop Location .............. 34 .
WASHER OPERATION ........................................ 6 . REMOVAL .......................................................... 34 .
MIST OPERATION ............................................... 7 . INSTALLATION .................................................. 34 .
WW
FAIL-SAFE FUNCTION ........................................ 7 . Removal and Installation of Front Wiper Drive
COMBINATION SWITCH READING FUNCTION 7 ..... Assembly ............................................................... 34
.
CAN Communication System Description ............... 9 . REMOVAL .......................................................... 34 .
CAN Communication Unit ....................................... 9 . INSTALLATION .................................................. 34 . L
Schematic ............................................................. 10. Disassembly and Assembly Front Wiper Motor and
Wiring Diagram -- WIPER -- ................................11 . Linkage .................................................................. 35
.
Terminals and Reference Values for BCM ............ 14 . DISASSEMBLY .................................................. 35 . M
Terminals and Reference Values for IPDM E/R .... 17 . ASSEMBLY ........................................................ 35 .
How to Proceed With Trouble Diagnosis ............... 17 . Washer Nozzle Adjustment ................................... 36 .
Preliminary Check ................................................. 18 . Washer Tube Layout ............................................. 37 .
CHECK POWER SUPPLY AND GROUND CIR- Removal and Installation of Front Washer Nozzle... 37
CUIT ................................................................... 18
. Removal and Installation of Front Washer Tube
CONSULT-II Functions (BCM) .............................. 19 . Joint ....................................................................... 37
.
CONSULT-II BASIC OPERATION ...................... 19 . REMOVAL .......................................................... 37 .
WORK SUPPORT .............................................. 20 . INSTALLATION .................................................. 37 .
DATA MONITOR ................................................ 20 . Inspection for Washer Nozzle ................................ 37 .
ACTIVE TEST .................................................... 21 . CHECK VALVE INSPECTION ............................ 37 .
CONSULT-II Functions (IPDM E/R) ...................... 22 . Inspection of Front Wiper and Washer Switch Circuit 38 ...
CONSULT-II BASIC OPERATION ...................... 22 . Removal and Installation of Front Wiper and Washer
DATA MONITOR ................................................ 23 . Switch .................................................................... 38
.
ACTIVE TEST .................................................... 23 . REMOVAL .......................................................... 38 .
Front Wiper Does Not Operate ............................. 24 . INSTALLATION .................................................. 38 .
Front Wiper Does Not Return to Stop Position ...... 26 . Removal and Installation of Washer Tank ............. 38 .
Revision: 2005 August WW-1 2006 350Z
REMOVAL .......................................................... 38 . Removal and Installation of Rear Wiper Motor ......53 .
INSTALLATION ................................................... 39 . REMOVAL ...........................................................53 .
Removal and Installation of Washer Pump ............ 39 . INSTALLATION ...................................................53 .
REMOVAL .......................................................... 39 . Washer Nozzle Adjustment ....................................54 .
INSTALLATION ................................................... 39 . Washer Tube Layout ..............................................54 .
REAR WIPER AND WASHER SYSTEM ................. 40 . Removal and Installation of Rear Washer Nozzle...55
Components Parts and Harness Connector Loca- REMOVAL ...........................................................55 .
tion ......................................................................... 40
. INSTALLATION ...................................................55 .
System Description ................................................ 40 . Inspection for Washer Nozzle ................................55 .
OUT LINE ........................................................... 40 . CHECK VALVE INSPECTION ............................55 .
BCM WIPER SWITCH READING FUNCTION ... 41 Inspection of Rear Wiper and Washer Switch Circuit ...55
Wiring Diagram -- WIP/ R -- ................................ 42 . Removal and Installation of Rear Wiper and Washer
Terminals and Reference Values for BCM ............. 44 . Switch ....................................................................55
.
How to Proceed With Trouble Diagnosis ............... 45 . Removal and Installation of Washer Tank ..............55 .
Preliminary Check ................................................. 46 . Removal and Installation of Washer Pump ............55 .
CHECK POWER SUPPLY AND GROUND CIR- POWER SOCKET ....................................................56 .
CUIT ................................................................... 46
. Wiring Diagram -- P/SCKT -- ...............................56 .
CONSULT-II Functions (BCM) ............................... 47 . Removal and Installation (Luggage Floor Finisher
CONSULT-II BASIC OPERATION ...................... 47 . Lower) ....................................................................57
.
DATA MONITOR ................................................. 48 . REMOVAL ...........................................................57 .
ACTIVE TEST .................................................... 48 . INSTALLATION ...................................................57 .
Rear Wiper Does Not Operate .............................. 49 . Removal and Installation (Instrument Passenger
Rear Wiper Does Not Return to Stop Position ....... 50 . Panel Lower) ..........................................................57
.
Only Rear Wiper ON Does Not Operate ................ 51 . REMOVAL ...........................................................57 .
Only Rear Wiper INT Does Not Operate ............... 51 . INSTALLATION ...................................................57 .
Wiper Does Not Wipe When Rear Washer Operates 51 ... HORN .......................................................................58
.
Rear Wiper Does Not Stop .................................... 52 . Wiring Diagram -- HORN -- .................................58 .
Removal and Installation of Rear Wiper Arm, Adjust- Removal and Installation ........................................59 .
ment of Wiper Arms Stop Location ........................ 52 . REMOVAL ...........................................................59 .
REMOVAL .......................................................... 52 . INSTALLATION ...................................................59 .
INSTALLATION ................................................... 52 .
Revision: 2005 August WW-2 2006 350Z
PRECAUTION
PRECAUTION PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NKS002IA
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
Precautions for Procedures without Cowl Top Cover NKS002KU
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc. H
I
J
PIIB3706J
WW
Precautions for Battery Service NKS002IB
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the L
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
M
Revision: 2005 August WW-3 2006 350Z
FRONT WIPER AND WASHER SYSTEM
FRONT WIPER AND WASHER SYSTEM PFP:28810
Components Parts and Harness Connector Location NKS0007Y
PKIC4860E
*1 *2
: For USA : For Canada
System Description NKS0007Z
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 through 40 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] (For USA)
q through 30 A fuse [No.73 located in IPDM E/R] (For Canada)
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]
Revision: 2005 August WW-4 2006 350Z
FRONT WIPER AND WASHER SYSTEM
q to CPU located in IPDM E/R.
When ignition switch is in ON or START position, power is supplied A
q to ignition relay, located in IPDM E/R, from battery direct
q through 10 A fuse [No.1 located in fuse block (J/B)]
B
q to BCM terminal 38,
q through ignition relay, located in IPDM E/R
q to front wiper relay, located in IPDM E/R C
q to front wiper high relay, located in IPDM E/R
q to CPU located in IPDM E/R,
q through 10 A fuse [No.84 located in IPDM E/R] D
q through IPDM E/R terminal 44
q to front washer pump terminal 2.
Ground is supplied E
q to BCM terminal 52
q through grounds M30 and M66,
F
q to IPDM E/R terminals 38 and 60
q through grounds E17, E43 and F152,
q to combination switch terminal 12 G
q through grounds M30 and M66.
LOW SPEED WIPER OPERATION
When the front wiper switch is in low position, BCM detects low speed wiper ON signal by BCM wiper switch H
reading function.
BCM sends front wiper request signal (LOW) with CAN communication line
q from BCM terminals 39 and 40 I
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
IPDM E/R, power is supplied J
q to front wiper motor terminal 3
q through IPDM E/R terminal 21 and front wiper high relay and front wiper relay.
WW
Ground is supplied
q to front wiper motor terminal 4
q through grounds E17, E43 and F152. L
With power and ground is supplied, front wiper motor operates at low speed.
HIGH SPEED WIPER OPERATION
When the front wiper switch is in high position, BCM detects high speed wiper ON signal by BCM wiper switch M
reading function.
BCM sends front wiper request signal (HI) with CAN communication line
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 2
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 4
q through grounds E17, E43 and F152.
With power and ground is supplied, front wiper motor operates at high speed.
Revision: 2005 August WW-5 2006 350Z
FRONT WIPER AND WASHER SYSTEM
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.
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
When the wiper arms reach base of windshield, front wiper motor terminals 1 and 4 are connected, and
ground is supplied
q to IPDM E/R terminal 32
q through front wiper motor terminals 1 and 4
q through grounds E17, E43 and F152.
Then the IPDM E/R sends auto stop operation signal to BCM with CAN communication.
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 pump terminal 1
q through combination switch terminal 11
q to combination switch terminal 12
q through grounds M30 and M66.
With ground is supplied, front washer pump is operated.
Revision: 2005 August WW-6 2006 350Z
FRONT WIPER AND WASHER SYSTEM
When the BCM detects that front washer pump has operated for 0.4 seconds or longer, BCM operates front
wiper motor for low speed. A
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. B
For additional information about wiper operation under this condition, refer to WW-5, "LOW SPEED WIPER
OPERATION" .
If switch is held in mist position, low speed operation continues. C
FAIL-SAFE FUNCTION
If an abnormality occurs in CAN communications, IPDM E/R holds the condition just before fail-safe status is
initiated until ignition switch is turned off. (If wipers were operating in LO just before the initiation of fail-safe D
status, they continue to operate in LO until ignition switch is turned OFF)
COMBINATION SWITCH READING FUNCTION
E
Description
q BCM reads combination switch (wiper) status, and controls related systems such as headlamps and wip-
ers, according to the results.
F
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).
Operation Description G
q BCM activates transistors of output terminals (OUTPUT 1 - 5) periodically, and allows current to flow in
turn.
q If any (1 or more) switches are turned ON, circuit of output terminals (OUTPUT 1 - 5) and input terminals H
(INPUT 1 - 5) becomes active.
q At this time, transistors of output terminals (OUTPUT 1 - 5) are activated to allow current to flow. When
voltage of input terminals (INPUT 1 - 5) corresponding to that switch changes, interface in BCM detects I
voltage change, and BCM determines that switch is ON.
J
WW
L
M
PKIC4861E
Revision: 2005 August WW-7 2006 350Z
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.
PKIC4963E
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.
PKIC4862E
Revision: 2005 August WW-8 2006 350Z
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
The combination switch reading function has the operation modes shown below.
1. Normal status
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