Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Sentra 2006-2009 Approved Nissan Sentra 2007 WW
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K ELECTRICAL
A
SECTION
WIPER, WASHER & HORN
WW B
C
D
E
CONTENTS
PRECAUTION ........................................................... 2 . Only Front Wiper Intermittent Does Not Operate ... 20 F
Precautions for Supplemental Restraint System Front Wiper Intermittent Operation Switch Position
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Cannot Be Adjusted ............................................... 20 .
SIONER" ................................................................. 2
. Wiper Does Not Wipe When Front Washer Operates G
Precautions for Procedures without Cowl Top Cover 2 ..... ... 20
FRONT WIPER AND WASHER SYSTEM ................. 3 . Front Wiper Does Not Stop .................................... 20 .
Components Parts and Harness Connector Loca- Removal and Installation of Front Wiper Arms ...... 21 .
H
tion .......................................................................... 3
. REMOVAL .......................................................... 21 .
System Description ................................................. 3 . INSTALLATION .................................................. 21 .
OUTLINE .............................................................. 3
. Adjustment of Wiper Arm Stop Location ................ 21 .
LO SPEED WIPER OPERATION ........................ 4 . ADJUSTMENT ................................................... 21 . I
HI SPEED WIPER OPERATION .......................... 4 . Removal and Installation of Front Wiper Drive
INT (INTERMITTENT) OPERATION .................... 4 . Assembly ............................................................... 22
.
AUTO STOP OPERATION ................................... 5 . REMOVAL .......................................................... 22 . J
WASHER OPERATION ........................................ 5 . INSTALLATION .................................................. 22 .
MIST OPERATION ............................................... 5 . Removal and Installation of Front Washer Nozzle 23 ...
FAIL-SAFE FUNCTION ........................................ 5 . REMOVAL .......................................................... 23 .
WW
COMBINATION SWITCH READING FUNCTION 5 ..... INSTALLATION .................................................. 23 .
CAN Communication System Description ............... 6 . Washer Tube Layout ............................................. 23 .
Schematic ............................................................... 7
. Removal and Installation of Front Wiper and Washer
Wiring Diagram -- WIPER -- ................................. 8 . Switch .................................................................... 23
. L
Terminals and Reference Values for BCM .............11 . REMOVAL .......................................................... 23 .
Terminals and Reference Values for IPDM E/R .....11 . INSTALLATION .................................................. 24 .
Work Flow ..............................................................11. Inspection of Front Wiper and Washer Switch Circuit 24 ... M
CONSULT-III Function (BCM) ................................11 . Removal and Installation of Washer Fluid Reservoir 24 ...
WORK SUPPORT ...............................................11 . REMOVAL .......................................................... 24 .
DATA MONITOR .................................................11 . INSTALLATION .................................................. 24 .
ACTIVE TEST .................................................... 12 . Removal and Installation of Front Washer Motor ... 24
CONSULT-III Function (IPDM E/R) ....................... 12 . REMOVAL .......................................................... 24 .
DATA MONITOR ................................................ 12 . INSTALLATION .................................................. 25 .
ACTIVE TEST .................................................... 12 . POWER SOCKET .................................................... 26 .
BCM Power and Ground Circuit Check ................. 12 . Wiring Diagram -- P/SCKT -- ............................... 26 .
IPDM E/R Power/Ground Circuit Inspection ......... 12 . Removal and Installation ....................................... 27 .
Front Wiper Does Not Operate ............................. 13 . REMOVAL .......................................................... 27 .
Front Wiper Does Not Return to Stop Position (After INSTALLATION .................................................. 27 .
Front Wiper Operates for 10 Seconds, They Stop HORN ....................................................................... 28
.
for 20 Seconds, and After Repeating the Operations Wiring Diagram -- HORN -- ................................. 28 .
Five Times, They Become Inoperative) ................. 15 . Removal and Installation ....................................... 29 .
Only Front Wiper LO Does Not Operate ............... 17 . REMOVAL .......................................................... 29 .
Only Front Wiper HI Does Not Operate ................ 18 . INSTALLATION .................................................. 29 .
Revision: December 2006 WW-1 2007 Sentra
PRECAUTION
PRECAUTION PFP:00011
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS00KD0
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
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
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:
G 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.
G 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.
G 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.
Precautions for Procedures without Cowl Top Cover EKS00KD1
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PIIB3706J
Revision: December 2006 WW-2 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
FRONT WIPER AND WASHER SYSTEM PFP:28810
A
Components Parts and Harness Connector Location EKS00KD2
B
C
D
E
F
G
H
I
WKIA6022E
1. IPDM E/R E45, E46 and E48 2. BCM M18 and M20 (view with 3. A. Front wiper motor E1 (view with J
instrument panel removed) engine cover and cowl top cover
removed)
B. Brake master cylinder
WW
4. Front washer motor E2 (view with 5. Combination switch (wiper switch)
front fender protector LH removed) M28
System Description EKS00KD3
L
G Front wiper relays (front wiper relay, front wiper high relay) are located in the IPDM E/R (intelligent power
distribution module engine room).
G Wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input termi- M
nals. Terminal combination status is read by BCM (body control module) when switch is turned ON.
G BCM controls front wiper LO, HI, and INT (intermittent) operation.
G IPDM E/R operates wiper motor according to CAN communication signals from BCM.
OUTLINE
Power is supplied at all times
G to ignition relay, located in IPDM E/R, from battery directly,
G through 50A fusible link (letter j , located in fuse and fusible link box)
G to BCM terminal 70
G through 30A fuse (No. 39, located in IPDM E/R)
G to front wiper relay located in IPDM E/R
G through 15A fuse (No. 52, located in IPDM E/R) and
G through 20A fuse (No. 53, located in IPDM E/R)
G to CPU located in IPDM E/R.
Revision: December 2006 WW-3 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
When ignition switch is in ON or START position, power is supplied
G through ignition relay (located in IPDM E/R)
G to front wiper relay (located in IPDM E/R) and
G to front wiper high relay (located in IPDM E/R) and
G to CPU (located in IPDM E/R)
G through 10A fuse [No. 12, located in fuse block (J/B)]
G to BCM terminal 38
G through 10A fuse [No. 15, located in fuse block (J/B)]
G to combination switch terminal 14.
Ground is supplied
G to IPDM E/R terminals 39 and 59 and
G to front wiper motor terminal 2
G through grounds E9, E15 (all models) and E24 (with MR20DE)
G to BCM terminal 67
G through grounds M57 and M61.
LO SPEED WIPER OPERATION
When the front wiper switch is in LO position, the BCM detects the low speed wiper ON signal by means of the
BCM wiper switch reading function.
The BCM sends a front wiper request signal (LO) through the CAN communication lines
G from BCM terminals 39 and 40
G to IPDM E/R terminals 40 and 41.
When the IPDM E/R receives front wiper request signal (LO), it turns ON front wiper relay, located in IPDM E/
R, power is supplied
G through IPDM E/R terminal 33 and front wiper high relay and front wiper relay
G to front wiper motor terminal 1.
Ground is supplied
G to front wiper motor terminal 2
G through grounds E9, E15 (all models and E24 (with MR20DE).
With power and ground supplied, front wiper motor operates at low speed.
HI SPEED WIPER OPERATION
When the front wiper switch is in HI position, the BCM detects a high speed wiper ON signal by means of the
BCM wiper switch reading function.
The BCM sends a front wiper request signal (HI) through the CAN communication lines
G from BCM terminals 39 and 40
G to IPDM E/R terminals 40 and 41.
When the IPDM E/R receives front wiper request signal (HI), it turns ON front wiper relay and front wiper high
relay, located in IPDM E/R, power is supplied
G through IPDM E/R terminal 32
G to front wiper motor terminal 4.
Ground is supplied
G to front wiper motor terminal 2
G through grounds E9, E15 (all models) and E24 (with MR20DE).
With power and ground supplied, front wiper motor operates at high speed.
INT (INTERMITTENT) OPERATION
Wiper intermittent operation delay interval is determined from the intermittent wiper dial position inputs. During
each intermittent operation delay interval, the BCM sends a front wiper request signal to the IPDM E/R to
operate the wipers.
When the ignition switch is in the ON or START position, and the front wiper switch is turned to the intermittent
position, the BCM detects a front wiper (intermittent) ON signal by means of the BCM wiper switch reading
function.
Revision: December 2006 WW-4 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
BCM then sends front wiper (intermittent) request signal through the CAN communication lines
G from BCM terminals 39 and 40 A
G to IPDM E/R terminals 40 and 41.
When BCM determines that combination switch status is front wiper intermittent ON, it performs the following
operations. B
G BCM detects ON/OFF status of intermittent wiper dial position
G BCM calculates operation interval from wiper dial position.
C
G BCM sends a front wiper request signal (INT) to IPDM E/R at calculated operation interval.
When IPDM E/R receives the front wiper request signal (INT), it supplies ground to energize the front wiper
relay. It then sends auto-stop signal to the BCM and conducts intermittent front wiper motor operation.
D
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 supplied E
G from IPDM E/R terminal 33
G to front wiper motor terminal 1, in order to continue wiper motor operation at low speed.
When the wiper arms reach base of windshield, front wiper motor terminals 5 and 2 are connected, and F
ground is supplied
G to IPDM E/R terminal 38
G through front wiper motor terminals 5 and 2 G
G through grounds E9, E15 (all models) and E24 (with MR20DE).
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- H
munication line.
IPDM E/R stops wiper motor. Wiper motor will then stop wiper arms at the STOP position.
WASHER OPERATION I
When the wiper switch is in front wiper washer position, BCM detect front wiper washer signal by BCM wiper
switch reading function. Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
J
Combination switch power is supplied
G through combination switch terminal 14
G to washer motor terminal 1.
WW
Ground is supplied
G to front washer motor terminal 2
G through grounds E9, E15 (all models) and E24 (with MR20DE). L
With power and ground 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. M
When the BCM detects washer switch is OFF, low speed operation cycles approximately 2 times and stops.
MIST OPERATION
When the wiper switch is pushed up to the mist position, wiper LO speed operation cycles once and then
stops.
For additional information about wiper operation under this condition, refer to WW-4, "LO SPEED WIPER
OPERATION" .
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
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
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
Revision: December 2006 WW-5 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
CAN Communication System Description EKS00KD4
Refer to LAN-4, "SYSTEM DESCRIPTION" .
Revision: December 2006 WW-6 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
Schematic EKS00KD5
A
B
C
D
E
F
G
H
I
J
WW
L
M
WKWA5370E
Revision: December 2006 WW-7 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
Wiring Diagram -- WIPER -- EKS00KD6
WKWA5859E
Revision: December 2006 WW-8 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
A
B
C
D
E
F
G
H
I
J
WW
L
M
WKWA5372E
Revision: December 2006 WW-9 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
WKWA5860E
Revision: December 2006 WW-10 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
Terminals and Reference Values for BCM EKS00KD7
A
Refer to BCS-13, "Terminals and Reference Values for BCM" .
Terminals and Reference Values for IPDM E/R EKS00KD8
Refer to PG-26, "Terminals and Reference Values for IPDM E/R" . B
Work Flow EKS00KD9
1. Confirm symptoms and customer complaint. C
2. Understand operation description and function description. Refer to WW-3, "System Description" .
3. Check symptom and repair or replace malfunctioning parts.
4. Does front wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4. D
5. Inspection End.
CONSULT-III Function (BCM) EKS00KDB E
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
BCM diagnosis position Diagnosis mode Description
F
Supports inspections and adjustments. Commands are transmitted to the
WORK SUPPORT BCM for setting the status suitable for required operation, input/output sig-
nals are received from the BCM and received data is displayed.
WIPER
DATA MONITOR Displays BCM input data in real time. G
ACTIVE TEST Device operation can be checked by applying a drive signal to device.
SELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
BCM H
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
WORK SUPPORT I
Display Item List
Item Description CONSULT-III
J
WIPER SPEED SETTING Vehicle speed sensing type wiper control mode can be changed in this mode. ON/OFF
DATA MONITOR
WW
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitor them.
L
Display Item List
Monitor item Contents
Displays "ignition switch ON (ON)/Other OFF or ACC (OFF)" status as judged from ignition M
IGN ON SW "ON/OFF"
switch signal.
Displays "ignition switch ON (ON)/Other OFF or ACC (OFF)" status as judged from CAN com-
IGN SW CAN "ON/OFF"
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.
Displays "FRONT WASHER Switch (ON)/Other (OFF)" status as judged from wiper switch sig-
FR WASHER SW "ON/OFF"
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)/Operating (OFF)" status as judged from auto-stop signal.
VEHICLE SPEED "km/h" Displays vehicle speed status as judged from vehicle speed signal.
Revision: December 2006 WW-11 2007 Sentra
FRONT WIPER AND WASHER SYSTEM
ACTIVE TEST
Display Item List
Test item Description
Front wiper LO output Front LO wiper can be operated by any ON-OFF operation.
Front wiper HI output Front HI wiper can be operated by any ON-OFF operation.
Front wiper INT output Front INT wiper can be operated by any ON-OFF operation.
CONSULT-III Function (IPDM E/R) EKS00KDC
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
IPDM E/R diagnostic Mode Description
SELF-DIAG RESULTS 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.
DATA MONITOR
ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects items and monitors them.
All Signals, Main Signals, Selection From Menu
Monitor item selection
Item name Display or unit ALL MAIN SELECTION Description
SIGNALS SIGNALS FROM MENU
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