Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Micra 2003-2006 Approved 03k12e WW
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WIPER, WASHER & HORN
K ELECTRICAL
A
B
SECTION
WIPER, WASHER & HORN C
D
E
CONTENTS
PRECAUTIONS ......................................................... 4 . Front Wiper Low Speed Operation Does Not Oper- F
Precautions for Supplemental Restraint System ate .......................................................................... 38
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Front Wiper High Speed Operation Does Not Oper-
SIONER" ................................................................. 4
. ate .......................................................................... 39
. G
Wiper and Washer System ...................................... 4 . Front Wiper INT Does Not Operate ....................... 40 .
FRONT WIPER AND WASHER SYSTEM ................. 5 . Front Wiper Interval Time Is Not Controlled by Vehi-
Components Parts and Harness Connector Loca- cle Speed ............................................................... 40
.
H
tion .......................................................................... 5
. After Front Wipers Operate for 10 Seconds, They
System Description ................................................. 5 . Stop for 20 Seconds .............................................. 41 .
WIPER OPERATION ........................................... 6 . Front Wipers Do Not Stop ...................................... 42 .
WASHER OPERATION ........................................ 7 . Removal and Installation of Front Wiper Arm ........ 42 . I
FAIL-SAFE FUNCTION ........................................ 7 . REMOVAL .......................................................... 42 .
BCM WIPER SWITCH READING FUNCTION ..... 8 INSTALLATION .................................................. 42 .
CAN Communication ............................................. 10 . Adjustment of Front Wiper Arm Stop Position ....... 42 . J
SYSTEM DESCRIPTION ................................... 10 . Removal and Installation of Front Wiper Motor and
CAN Communication Unit ..................................... 10 . Link ........................................................................ 43
.
TYPE 1/TYPE 2 ..................................................11 . REMOVAL .......................................................... 43 .
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TYPE 3/TYPE 4 ................................................. 14 . INSTALLATION .................................................. 43 .
TYPE 5/TYPE 6 ................................................. 16 . AdjustmentofSpray Positions of FrontWasher Noz-
TYPE 7/TYPE 8 ................................................. 19 . zle .......................................................................... 44
.
TYPE 9/TYPE 10 ............................................... 21 . Washer Hose Routing ........................................... 45 . L
Schematic ............................................................. 24. Removal and Installation of Front Washer Nozzle... 45
Wiring Diagram -- WIPER -- ............................... 25 . REMOVAL .......................................................... 45 .
Terminals and Reference Values for BCM ............ 28 . CHECK VALVE INSPECTION ............................ 45 . M
Terminals and Reference Values for IPDM E/R .... 29 . INSTALLATION .................................................. 45 .
How to Proceed With Trouble Diagnosis ............... 29 . InspectionofFrontWiperandWasherSwitchCircuit.. 46 .
Preliminary Inspection ........................................... 29 . RemovalandInstallationofFrontWiperandWasher
CHECK POWER SUPPLY AND GROUND CIR- Switch .................................................................... 46
.
CUIT ................................................................... 29
. RemovalandInstallationofFrontWiperandWasher
CONSULT-II Function (BCM) ................................ 31 . Tank ....................................................................... 46
.
CONSULT-II BASIC OPERATION ...................... 31 . REMOVAL .......................................................... 46 .
WORK SUPPORT .............................................. 32 . INSTALLATION .................................................. 46 .
DATA MONITOR ................................................ 32 . RemovalandInstallationofFrontWiperandWasher
ACTIVE TEST .................................................... 33 . Pump ..................................................................... 46
.
CONSULT-II Function (IPDM E/R) ........................ 33 . REMOVAL .......................................................... 46 .
CONSULT-II BASIC OPERATION ...................... 33 . INSTALLATION .................................................. 47 .
DATA MONITOR ................................................ 34 . FRONT WIPER AND WASHER SYSTEM (WITH
ACTIVE TEST .................................................... 35 . RAIN SENSOR) ....................................................... 48 .
Front Wiper Does Not Operate ............................. 35 . Components Parts and Harness Connector Loca-
Front Wiper Does Not Return to Stop Position ...... 37 . tion ......................................................................... 48
.
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System Description ................................................ 48 . INSTALLATION ...................................................81 .
WIPER OPERATION .......................................... 49 . Removal and Installation of Rain Sensor ...............81 .
WASHER OPERATION ...................................... 50 . REMOVAL ...........................................................81 .
FAIL-SAFE FUNCTION ...................................... 50 . INSTALLATION ...................................................81 .
BCM WIPER SWITCH READING FUNCTION ... 51 REAR WIPER AND WASHER SYSTEM ..................82 .
CAN Communication ............................................. 53 . Components Parts and Harness Connector Loca-
SYSTEM DESCRIPTION ................................... 53 . tion .........................................................................82
.
CAN Communication Unit ...................................... 53 . System Description ................................................82 .
TYPE 1/TYPE 2 .................................................. 54 . WIPER OPERATION ..........................................82 .
TYPE 3/TYPE 4 .................................................. 57 . INTERMITTENT OPERATION ............................83 .
TYPE 5/TYPE 6 .................................................. 59 . WASHER OPERATION ......................................83 .
TYPE 7/TYPE 8 .................................................. 62 . BCM WIPER SWITCH READING FUNCTION ...83
TYPE 9/TYPE 10 ................................................ 64 . CAN Communication .............................................85 .
Schematic .............................................................. 67. SYSTEM DESCRIPTION ....................................85 .
Wiring Diagram -- A/WIP -- ................................. 68 . CAN Communication Unit ......................................85 .
Terminals and Reference Values for BCM ............. 71 . TYPE 1/TYPE 2 ..................................................87 .
Terminals and Reference Values for IPDM E/R ..... 72 . TYPE 3/TYPE 4 ..................................................90 .
How to Proceed With Trouble Diagnosis ............... 72 . TYPE 5/TYPE 6 ..................................................92 .
Preliminary Inspection ........................................... 72 . TYPE 7/TYPE 8 ..................................................95 .
CHECK POWER SUPPLY AND GROUND CIR- TYPE 9/TYPE 10 ................................................97 .
CUIT ................................................................... 72
. Wiring Diagram -- WIP/R -- ................................ 100 .
CONSULT-II Function (BCM) ................................. 73 . Terminals and Reference Values for BCM ........... 102 .
CONSULT-II Function (IPDM E/R) ......................... 74 . How to Proceed With Trouble Diagnosis ............. 102 .
Front Wiper Does Not Operate .............................. 74 . Preliminary Check ................................................ 103 .
Front Wiper Does Not Return to Stop Position ...... 74 . CHECK POWER SUPPLY AND GROUND CIR-
Front Wiper Low Speed Operation Does Not Oper- CUIT .................................................................. 103
.
ate. ......................................................................... 74
. CONSULT-II Function (BCM) ............................... 103 .
Front Wiper High Speed Operation Does Not Oper- Rear Wiper Does Not Operate ............................. 104 .
ate .......................................................................... 74
. Rear Wiper Stop Position Is Not Restored ........... 105 .
Front Wiper INT Does Not Operate ....................... 74 . Only Rear Wiper INT Does Not Operate .............. 106 .
Auto Wiper Does Not Operate Properly ................ 74 . Removal and Installation of Rear Wiper Arm ....... 106 .
After Front Wipers Operate for 10 Seconds, They REMOVAL ......................................................... 106 .
Stop for 20 Seconds .............................................. 76 . INSTALLATION ................................................. 106 .
Front Wipers Do Not Stop ...................................... 76 . Adjusting Rear Wiper Arm Stop Position ............. 107 .
Removal and Installation of Front Wiper Arm ........ 76 . Removal and Installation of Rear Wiper Motor .... 107 .
REMOVAL .......................................................... 76 . REMOVAL ......................................................... 107 .
INSTALLATION ................................................... 76 . INSTALLATION ................................................. 107 .
Adjustment of Front Wiper Arm Stop Position ....... 76 . Rear Wiper Blade ................................................. 108 .
Removal and Installation of Front Wiper Motor and REMOVAL AND INSTALLATION ...................... 108 .
Link ........................................................................ 77
. Adjusting Rear Washer Nozzle Spray Position .... 108 .
REMOVAL .......................................................... 77 . Rear Washer Hose Circuit ................................... 108 .
INSTALLATION ................................................... 77 . Removal and Installation of Rear Washer Nozzle.108
Adjustmentof SprayPositionsofFrontWasher Noz- REMOVAL ......................................................... 108 .
zle .......................................................................... 78
. CHECK VALVE INSPECTION .......................... 109 .
Washer Hose Routing ............................................ 79 . INSTALLATION ................................................. 109 .
Removal and Installation of Front Washer Nozzle... 79 Rear Wiper and Washer Switch Circuit Inspection.109
REMOVAL .......................................................... 79 . Removaland Installation of RearWiperand Washer
CHECK VALVE INSPECTION ............................ 79 . Switch .................................................................. 109
.
INSTALLATION ................................................... 79 . Removaland Installation of Rear Wiper and Washer
InspectionofFrontWiperandWasherSwitchCircuit.. 80 . Tank ..................................................................... 109
.
RemovalandInstallationofFrontWiperandWasher Removaland Installation of Rear Wiper and Washer
Switch .................................................................... 80
. Pump .................................................................... 109
.
RemovalandInstallationofFrontWiperandWasher HEADLAMP WASHER ........................................... 110 .
Tank ....................................................................... 80
. System Description .............................................. 110 .
REMOVAL .......................................................... 80 . HEADLAMP WASHER OPERATION ................ 110 .
INSTALLATION ................................................... 80 . Wiring Diagram --HLC-- ..................................... 111 .
RemovalandInstallationofFrontWiperandWasher CONSULT-II Function (BCM) ............................... 113 .
Pump ..................................................................... 80
. CONSULT-II Function (IPDM E/R) ....................... 113 .
REMOVAL .......................................................... 80 . Removal and Installation for Washer Nozzle ....... 113 .
WW-2
REMOVAL .........................................................113 . Wiring Diagram --HORN-- ................................. 114 .
INSTALLATION .................................................113 . Removal and Installation ..................................... 115
. A
Removal and Installation for Washer Tank ...........113 . REMOVAL ........................................................ 115
.
Removal and Installation for Washer Pump .........113 . INSTALLATION ................................................ 115
.
Washer Tube Layout ............................................113 . POWER SOCKET .................................................. 116
. B
HORN ......................................................................114
. Wiring Diagram --CIGAR-- ................................ 116 .
Removal and Installation ..................................... 117
.
REMOVAL ........................................................ 117
.
INSTALLATION ................................................ 117
. C
D
E
F
G
H
I
J
WW
L
M
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PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS00860
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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
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.
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.
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.
Wiper and Washer System EKS007AW
q If snow or other obstacle stops wipers from moving while front wipers are operating, wipers will stop mov-
ing to protect motor. In this case, turn the switch OFF and remove obstacle. Wait at least 20 seconds
before turning the switch ON again to start front wipers.
q If rear wiper operation is stopped 5 seconds or more due to snow or other reason, the BCM stops rear
wiper operation to protect motor. At this time, after removing cause of stoppage, turn rear wiper switch to
OFF, wait at least 1 min, then turn wiper switch to ON or INT to restart wiper.
q The hood may be scratched if opened while front wipers are locked back.
q If there is unevenness or peeling of windshield glass wax, other oil films, or glass coating, wipers may not
wipe correctly (juddering or other non-standard conditions may occur).
q Washer pump may malfunction if operated continuously for 1 minute or longer.
WW-4
FRONT WIPER AND WASHER SYSTEM
FRONT WIPER AND WASHER SYSTEM PFP:28810
A
Components Parts and Harness Connector Location EKS00861
B
C
D
E
F
G
H
I
J
MKIB0467E
WW
System Description EKS00862
q Front wiper HI/LO relay and front wiper main relay are built into IPDM E/R.
q Wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input termi- L
nals. Terminal combination status is read by BCM 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. M
Power is supplied at all times
q through 20A fuse (NO.38, located in the IPDM E/R)
q to front wiper main relay.
q through 20A fuse (NO.52, located in the IPDM E/R)
q to IPDM E/R (CPU).
q through 40A fusible link (letter J, located in fuse and fusible link box)
q to BCM terminals 74 and 79.
When ignition switch ON or START position, power is supplied
q through 10A fuse [NO.4, located in fuse block (J/B)]
q to BCM terminal 24,
q through 15A fuse [NO.1, located in fuse block (J/B)]
q to combination switch terminal 11, and
q to front wiper HI/LO relay, front wiper main relay and IPDM E/R (CPU)
Ground is supplied
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FRONT WIPER AND WASHER SYSTEM
q through body grounds E25 (CR engine models), E26 and E40
q to front wiper motor terminal 1 and,
q to IPDM E/R terminals 3 and 54, and
q through body grounds M19 and M20
q to combination switch terminal 12 and
q to BCM terminals 2 and 70
WIPER OPERATION
Low Speed Wiper Operation
When front wiper switch is placed in LO position, BCM read combination switch condition (Refer to WW-8,
"BCM WIPER SWITCH READING FUNCTION" ). And BCM sent front wiper request signal (LO) to IPDM E/R
with CAN communication line. When IPDM E/R receives front wiper request signal (LO), it turns ON front
wiper main relay (built into IPDM E/R).
Power is supplied
q to front wiper motor terminal 3,
q through front wiper main relay and front wiper HI/LO relay and
q through IPDM E/R terminal 23.
Ground is supplied
q to front wiper motor terminal 1,
q through body grounds E25 (CR engine models), E26 and E40.
With power and ground are supplied, the front wiper motor operates at low speed.
High Speed Wiper Operation
When front wiper switch is placed in HI position, BCM read combination switch condition (Refer toWW-8,
"BCM WIPER SWITCH READING FUNCTION" ).And BCM sent front wiper request signal (HI) to IPDM E/R
with CAN communication line.When IPDM E/R receives front wiper request signal (HI), it turns ON front wiper
HI/LO relay and front wiper main relay (built into IPDM E/R).
Power is supplied
q to front wiper motor terminal 2,
q through front wiper main relay and front wiper HI/LO relay and,
q through IPDM E/R terminal 24.
Ground is supplied
q to front wiper motor terminal 1
q through body grounds E25, E26 and E40.
With power and ground are supplied, the front wiper motor operates at high speed.
Intermittent Operation
When front wiper switch is placed in INT position, BCM read combination switch condition (refer to WW-8,
"BCM WIPER SWITCH READING FUNCTION" ) and it operates as follows.
q BCM reads combination switch condition of V/INT 1, 2 and 3, it determines INT volume.(Refer to WW-8,
"BCM WIPER SWITCH READING FUNCTION" )
q BCM receives vehicle speed signal from combination meter with CAN communication line.
q BCM calculates intermittent interval from INT volume and vehicle speed signal.
q BCM sends front wiper request signal to IPDM E/R for every intermittent interval via CAN communication
line.
Power is supplied
q to front wiper motor terminal 3,
q through front wiper main relay and front wiper HI/LO relay and
q through IPDM E/R terminal 23.
Ground is supplied
q to front wiper motor terminal 1,
q through body grounds E25 (CR engine models), E26 and E40.
With power and ground are supplied, the front wiper motor operates.
WW-6
FRONT WIPER AND WASHER SYSTEM
Auto Stop Operation
With wiper switch turned OFF, wiper motor will continue to operate until wiper arms reach stop position. A
When wiper arms are not located at stop position with wiper switch OFF, power is supplied
q from terminal 23 of the IPDM E/R
q to front wiper motor terminal 3, in order to continue wiper motor operation at low speed. B
Ground is supplied
q to front wiper motor terminal 1
C
q through body grounds E25 (CR engine models), E26 and E40.
When wiper arms reach stop position, front wiper motor terminals 1 and 4 are connected.
Then the IPDM E/R sends auto stop operation signal to BCM with CAN communication line.
D
When BCM receives auto-stop operation signal, BCM sends wiper stop signal to IPDM E/R with CAN commu-
nication line.
IPDM E/R stops wiper motor. Wiper motor will then stop wiper arms at the STOP position.
E
Mist Operation
When the wiper switch is placed in the mist position, wiper operate ones. The wiper operation is the same as
the front wiper low speed operation. If the switch is held in the mist position, front wiper low speed operation
continues. F
WASHER OPERATION
When front wiper switch is pulled to washer position, power is supplied G
q through combination switch terminal 13
q to washer motor terminal 1.
Ground is supplied H
q to washer motor terminal 2
q through combination switch terminals 12 and 14, and
q through body grounds M19 and M20. I
With power and ground supplied, the washer motor operates, and at the same time,
When the wiper switch is pulled to the WASH position for 1 second or more. BCM sends front wiper request
signal (low) to IPDM E/R with CAN communication line. And the front wiper motor operates at low speed for J
approximately 3 times to clean wind shield
FAIL-SAFE FUNCTION
WW
When CAN communication with other control units is impossible, IPDM E/R performs fail-safe control. If the
fail-safe system is operating, front wiper low speed operates when the ignition switch is turned from OFF to
ON or ACC and front wiper are stopped when the ignition switch is turn from ON or ACC to OFF. If the fail-safe
system is operating, front wiper does not operate when the combination switch is in any position. After CAN L
communication recovers normally, it also returns to normal control. (Refer to PG-19, "FAIL-SAFE FUNCTION"
)
M
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FRONT WIPER AND WASHER SYSTEM
BCM WIPER SWITCH READING FUNCTION
BCM reads combination switch (wiper switch) status, and controls front wipers based on the results.
BCM is a combination of 5 output terminals (output 1 - 5) and 5 input terminals (input 1 - 5). It reads 20 types
of switch data and 5 types of diagnosis data.
MKIB0369E
Operation Description
q BCM operates output terminal (output 1 to 5) transistor at a set period and turns ON the current in order.
q When any (or multiple) switches are turned ON, a circuit is formed between the output terminals (output 1
to 5) and input terminals (input 1 to 5).
q At this time, when output terminals (output 1 to 5) operate transistors and carry current. If voltage of corre-
sponding input terminal (input 1 to 5) changes, interface in BCM detects this state and judges that switch
is ON.
Table Of BCM - Combination Switch Operations
BCM reads operation status of combination switch using combinations shown in table below.
MKIB0370E
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FRONT WIPER AND WASHER SYSTEM
Example: (Wiper Switch Placed In LO Position)
q If front wiper switch is placed in LO position, the contact of front wiper LO in combination switch is turned A
ON. At this time, when output 1 transistor operates, driver control unit detects that voltage has been
changed at input 3.
q When output 1 transistor is ON and BCM detects current changes at input 3, BCM determines that wiper B
switch is at LO. BCM uses CAN communication and sends front wiper signals to IPDM E/R.
q When output 1 transistor operates again and BCM detects voltage change at input 3, BCM recognizes
that front wiper LO operation is continuing. C
D
E
F
G
H
MKIB0468E
I
NOTE:
Each output terminal transistor operates at 20 ms intervals. Therefore, after a switch is turned ON, the
electrical loads are activate with a time delay, However, this delay is too small to be detected.
J
Intermittent Operation
Wiper intermittent operation delay interval is determined from a combination of 3 switches (V/INT 1, V/INT 2,
and V/INT 3) and vehicle speed signal. WW
During each intermittent operation delay interval, BCM sends front wiper request signal to IPDM E/R.
Wiper Volume Position Setting
Combination switch
L
Wiper dial position Intermittent interval
V/INT 1 V/INT 2 V/INT 3
Wiper volume position 1 ON ON ON
Small M
Wiper volume position 2 ON ON OFF
Wiper volume position 3 ON OFF OFF
Wiper volume position 4 OFF OFF OFF
Wiper volume position 5 OFF OFF ON
Wiper volume position 6 OFF ON ON
Large
Wiper volume position 7 OFF ON OFF
Example: For wiper volume position 1...
Using combination switch reading function, BCM reads ON/OFF status of V/INT 1, 2, and 3.
When combination switch status is as listed below, BCM determines that it is wiper volume position 1.
q V/INT 1: ON (input 1 and output 3 are performing.)
q V/INT 2: ON (input 1 and output 5 are performing.)
q V/INT 3: ON (input 2 and output 4 are performing.)
BCM determines front wiper intermittent interval from wiper volume 1 and vehicle speed, and sends wiper
request signal (INT) to IPDM E/R for every intermittent interval via CAN communication line.
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FRONT WIPER AND WASHER SYSTEM
CAN Communication EKS00K7O
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex 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 EKS00K7P
Go to CAN system, when selecting your car model from the following table.
Body type 3door/5door
Axle 2WD
Engine CR10DE/CR12DE/CR14DE CR12DE/CR14DE K9K
Handle LHD/RHD
Brake control ABS system ESP system ABS
Transmission A/T M/T A/T M/T M/T
Not Not Not Not Not
Appli- Appli- Appli- Appli- Appli-
Intelligent Key system appli- appli- appli- appli- appli-
cable cable cable cable cable
cable cable cable cable cable
CAN communication unit
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