WT-12
CAN COMMUNICATION
Revision: 2006 January2006 M35/M45
CAN COMMUNICATIONPFP:23710
System DescriptionNES000JT
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.
Refer to LAN-34, "
CAN COMMUNICATION" .
TROUBLE DIAGNOSES
WT-15
C
D
F
G
H
I
J
K
L
MA
B
WT
Revision: 2006 January2006 M35/M45
Wiring Diagram — T/WARN —NES000JW
TEWT0027E
WW-1
WIPER, WASHER & HORN
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION WW
A
B
WW
Revision: 2006 January2006 M35/M45
WIPER, WASHER & HORN
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
FRONT WIPER AND WASHER SYSTEM .................. 4
Components Parts and Harness Connector Loca-
tion ........................................................................... 4
System Description .................................................. 4
OUTLINE ............................................................... 5
LOW SPEED WIPER OPERATION ...................... 5
HIGH SPEED WIPER OPERATION ..................... 6
INTERMITTENT OPERATION .............................. 6
AUTO STOP OPERATION .................................... 7
WASHER OPERATION ......................................... 7
MIST OPERATION ................................................ 7
FAIL-SAFE FUNCTION ......................................... 7
COMBINATION SWITCH READING FUNCTION ..... 8
CAN Communication System Description ............... 11
CAN Communication Unit ....................................... 11
Schematic .............................................................. 12
Wiring Diagram — WIPER — ................................ 13
Terminals and Reference Values for BCM ............. 17
Terminals and Reference Values for IPDM E/R ..... 21
How to Perform Trouble Diagnoses ....................... 21
Preliminary Check .................................................. 22
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 22
CONSULT-II Functions (BCM) ............................... 23
CONSULT-II BASIC OPERATION ....................... 23
WORK SUPPORT ............................................... 24
DATA MONITOR ................................................. 24
ACTIVE TEST ..................................................... 25
CONSULT-II Functions (IPDM E/R) ....................... 26
CONSULT-II BASIC OPERATION ....................... 26
DATA MONITOR ................................................. 27
ACTIVE TEST ..................................................... 27
Front Wiper Does Not Operate .............................. 28
Front Wiper Does Not Return to Stop Position (After
Front Wiper Operate for 10 Seconds, They Stop for
20 Seconds, and After Repeating the Operations Five Times, They Become Inoperative) .................. 31
Front Wiper Does Not Return to Stop Position When
Front Wiper Motor Operates at Low Speed (After
Front Wiper Operate for 10 Seconds, They Stop for
20 Seconds, and After Repeating the Operations
Five Times, They Become Inoperative) .................. 33
Front Wiper Does Not Return to Stop Position When
Front Wiper Motor Operates at HIGH Speed (After
Front Wiper Operate for 10 Seconds, They Stop for
20 Seconds, and After Repeating the Operations
Five Times, They Become Inoperative) .................. 34
Only Front Wiper LO Does Not Operate ................. 36
Only Front Wiper HI Does Not Operate .................. 37
Only Front Wiper Intermittent Does Not Operate ... 39
Front Wiper Interval Time Is Not Controlled by Vehi-
cle Speed ................................................................ 39
Front Wiper Intermittent Operation Switch Position
Cannot Be Adjusted .............................................
... 40
Wiper Does Not Wipe When Front Washer Operates
... 40
Front Wiper Does Not Stop ..................................... 41
Removal and Installation of Front Wiper Arms,
Adjustment of Wiper Arms Stop Location ............... 42
REMOVAL ........................................................
... 42
INSTALLATION ................................................... 42
ADJUSTMENT .................................................... 42
Removal and Installation of Front Wiper Drive
Assembly ................................................................ 43
REMOVAL ........................................................
... 43
INSTALLATION ................................................... 43
Disassembly and Assembly of Front Wiper Drive
Assembly ................................................................ 43
DISASSEMBLY ................................................... 44
ASSEMBLY ......................................................... 44
Washer Nozzle Adjustment .................................... 44
Washer Tube Layout .............................................. 45
Removal and Installation of Front Washer Nozzle ... 45
REMOVAL ........................................................
... 45
INSTALLATION ................................................... 45
Inspection for Washer Nozzle ................................. 46
WW-2Revision: 2006 January2006 M35/M45 CHECK VALVE INSPECTION ............................. 46
Inspection of Front Wiper and Washer Switch Circuit ... 46
Removal and Installation of Front Wiper and Washer
Switch ..................................................................... 46
REMOVAL ........................................................
... 46
INSTALLATION .................................................... 46
Removal and Installation of Washer Tank .............. 47
REMOVAL ........................................................
... 47
INSTALLATION .................................................... 47
Removal and Installation of Washer Pump ............. 48
REMOVAL ........................................................
... 48
INSTALLATION .................................................... 48
CIGARETTE LIGHTER ............................................. 49
Wiring Diagram — CIGAR — ................................. 49
Removal and Installation ........................................ 50
REMOVAL ........................................................
... 50
INSTALLATION .................................................... 50POWER SOCKET ..................................................... 51
Wiring Diagram — P/SCKT — ................................ 51
Removal and Installation of Center Console Box
Power Socket .......................................................... 52
REMOVAL ............................................................ 52
INSTALLATION .................................................... 52
Removal and Installation of Center Console Box
Rear Side Power Socket ......................................... 52
REMOVAL ............................................................ 52
INSTALLATION .................................................... 52
HORN ........................................................................ 53
Wiring Diagram — HORN — .................................. 53
Removal and Installation ......................................... 54
REMOVAL ............................................................ 54
INSTALLATION .................................................... 54
PRECAUTION
WW-3
C
D
E
F
G
H
I
J
L
MA
B
WW
Revision: 2006 January2006 M35/M45
PRECAUTION PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NKS003WA
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.
WAR NING :
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.
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.
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.
FRONT WIPER AND WASHER SYSTEM
WW-11
C
D
E
F
G
H
I
J
L
MA
B
WW
Revision: 2006 January2006 M35/M45
Wiper Dial Position Setting
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.
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.
Intermittent operation dial position 1: ON (Continuity exists between combination switch output 3 and input
1.)
Intermittent operation dial position 2: ON (Continuity exists between combination switch output 5 and input
1.)
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 and vehicle speed,
and sends wiper request signal (INT) to IPDM E/R.
CAN Communication System DescriptionNKS003WD
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 UnitNKS003WE
Refer to LAN-34, "CAN Communication Unit" .
Wiper dial positionIntermittent operation
intervalCombination switch
Intermittent operation
dial position 1Intermittent operation
dial position 2Intermittent operation
dial position 3
1Short
LongON ON ON
2ONONOFF
3ONOFFOFF
4 OFF OFF OFF
5OFFOFFON
6 OFF ON ON
7 OFF ON OFF
FRONT WIPER AND WASHER SYSTEM
WW-13
C
D
E
F
G
H
I
J
L
MA
B
WW
Revision: 2006 January2006 M35/M45
Wiring Diagram — WIPER —NKS003WG
TKWT3214E
WW-22
FRONT WIPER AND WASHER SYSTEM
Revision: 2006 January2006 M35/M45
Preliminary CheckNKS003WK
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSE
Check for blown fuses.
Refer to WW-13, "
Wiring Diagram — WIPER —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between fuse, fusible link and BCM.
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.
BCMBatteryF
21
Ignition switch ON or START 1
Front washer motor and front wiper HI auto stop signal Ignition switch ON or START 84
Front wiper motor, front wiper low relay, front wiper high relayBattery 73
Front wiper reverse relay Ignition switch ON or START 12
Terminal Ignition switch position
(+)
(-) OFF ON
BCM
connectorTerminal
M1 38
GroundApprox. 0V Battery voltage
M242 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIA7520E
BCM connector Terminal
GroundContinuity
M2 52 Yes
SKIB5125E