Nissan Murano Z50 (2006 year). Manual — part 210
FRONT WIPER AND WASHER SYSTEM
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MIST OPERATION
When the wiper switch is turned to the mist position, wiper low speed operation cycles once and then stops.
For additional information about wiper operation under this condition. Refer to
If the switch is held in the 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
Description
●
BCM reads combination switch (wiper) status, and controls related systems such as head lamps and wip-
ers, according to the results.
●
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
●
BCM activates transistors of output terminals (OUTPUT 1-5) periodically and, and allows current to flow in
turn.
●
If any (1 or more) switches are turned ON, circuit of output terminals (OUTPUT 1-5) and input terminals
(INPUT 1-5) becomes active.
●
At this time, transistors of output terminals (OUTPUT 1-5) are activated to allow current to flow. When volt-
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.
PKID0853E
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BCM - Operation Table of Combination Switches
BCM reads operation status of combination switch using combinations shown in table below.
Sample Operation: (When Wiper Switch Turned to LOW Position)
●
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.
●
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.
●
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.
NOTE:
Each OUTPUT terminal transistor is activated at 10 ms intervals. Therefore after switch is turned ON, electri-
cal loads are activated with time delay. But this time delay is so short that it cannot be detected by human
senses.
SKIA4959E
PKID0854E
FRONT WIPER AND WASHER SYSTEM
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Operation Mode
Combination switch reading function has operation modes shown below.
1.
Normal status
–
When BCM is not in sleep status, OUTPUT terminals (1-5) each turn ON-OFF every 10 ms.
2.
Sleep status
–
When BCM is in sleep status, transistors of OUTPUT (1 and 5) stop the output, and BCM enters low cur-
rent consumption mode. OUTPUT (2, 3, and 4) turn ON-OFF every 60 ms, and only input from light switch
system is accepted.
CAN Communication System Description
NKS001TS
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
NKS001TT
Refer to
LAN-32, "CAN Communication Unit"
PKIB6124E
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Schematic
NKS001TU
TKWB2614E
FRONT WIPER AND WASHER SYSTEM
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Wiring Diagram — WIPER —
NKS001TV
TKWB2615E
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TKWB2616E
FRONT WIPER AND WASHER SYSTEM
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TKWB2617E
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Terminals and Reference Values for BCM
NKS001TW
CAUTION:
●
Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
●
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
4
R/G
Combination
switch input 3
ON
Lighting, turn, wiper
switch
(Wiper intermittent
dial position 4)
OFF
Approx. 0 V
Any of the conditions
below
●
Front wiper switch MIST
●
Front wiper switch INT
●
Front wiper switch LO
Approx. 1.0 V
5
R/B
Combination
switch input 2
ON
Lighting, turn, wiper
switch
OFF
(Wiper intermittent dial
position 4)
Approx. 0 V
Any of the conditions
below
●
Front washer switch
(Wiper intermittent dial
position 4)
●
Wiper intermittent dial
position 1
●
Wiper intermittent dial
position 5
●
Wiper intermittent dial
position 6
Approx. 1.0 V
PKIB4959J
PKIB4959J
FRONT WIPER AND WASHER SYSTEM
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6
R/W
Combination
switch input 1
ON
Lighting, turn, wiper
switch
OFF
(Wiper intermittent dial
position 4)
Approx. 0 V
Any of the conditions
below
●
Front wiper switch HI
(Wiper intermittent dial
position 4)
●
Wiper intermittent dial
position 3
Approx. 1.0 V
Any of the conditions
below
●
Wiper intermittent dial
position 1
●
Wiper intermittent dial
position 2
Approx. 1.7 V
Any of the conditions
below
●
Wiper intermittent dial
position 6
●
Wiper intermittent dial
position 7
Approx. 0.8 V
32
LG/B
Combination
switch output 5
ON
Lighting, turn, wiper
switch
OFF
(Wiper intermittent dial
position 4)
Approx. 7.2 V
Any of the conditions
below
●
Wiper intermittent dial
position 1
●
Wiper intermittent dial
position 2
●
Wiper intermittent dial
position 6
●
Wiper intermittent dial
position 7
Approx. 1.0 V
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4959J
PKIB4952J
PKIB4955J
PKIB4960J
PKIB4956J
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33
G/Y
Combination
switch output 4
ON
Lighting, turn, wiper
switch
OFF
(Wiper intermittent dial
position 4)
Approx. 7.2 V
Any of the conditions
below
●
Wiper intermittent dial
position 1
●
Wiper intermittent dial
position 5
●
Wiper intermittent dial
position 6
Approx. 1.2 V
34
LG/R
Combination
switch output 3
ON
Lighting, turn, wiper
switch
OFF
(Wiper intermittent dial
position 4)
Approx. 7.2 V
Any of the conditions
below
●
Wiper intermittent dial
position 1
●
Wiper intermittent dial
position 2
●
Wiper intermittent dial
position 3
Approx. 1.2 V
35
G/B
Combination
switch output 2
ON
Lighting, turn, wiper
switch
(Wiper intermittent
dial position 4)
OFF
Approx. 7.2 V
Any of the conditions
below
●
Front wiper switch INT
●
Front wiper switch HI
Approx. 1.2 V
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
FRONT WIPER AND WASHER SYSTEM
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Terminals and Reference Values for IPDM E/R
NKS001TX
How to Proceed with Trouble Diagnosis
NKS001TY
1.
Confirm the symptoms and customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Perform the preliminary check. Refer to
4.
Check symptom and repair or replace the cause of malfunction.
5.
Does the front wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4.
36
L/W
Combination
switch output 1
ON
Lighting, turn, wiper
switch
(Wiper intermittent
dial position 4)
OFF
Approx. 7.2 V
Any of the conditions
below
●
Front wiper switch MIST
●
Front wiper switch LO
●
Front washer switch
Approx. 1.2 V
38
R
Ignition switch
(ON)
ON
—
Battery voltage
39
L
CAN
−
H
—
—
—
40
Y
CAN
−
L
—
—
—
42
GR
Battery power
supply
OFF
—
Battery voltage
52
B
Ground
ON
—
Approx. 0 V
55
W/B
Battery power
supply
OFF
—
Battery voltage
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4960J
PKIB4958J
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
21
L
Low speed signal
ON
Wiper switch
OFF
Approx. 0 V
LOW
Battery voltage
31
L/B
High speed signal
ON
Wiper switch
OFF
Approx. 0 V
HI
Battery voltage
32
L/Y
Wiper auto stop signal
ON
Wiper operating
Battery voltage
Wiper stopped
Approx. 0 V
38
B
Ground
ON
—
Approx. 0 V
44
R/W
Washer pump power supply
ON
—
Battery voltage
48
L
CAN
−
H
—
—
—
49
Y
CAN
−
L
—
—
—
60
B
Ground
ON
—
Approx. 0 V
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6.
INSPECTION END
Preliminary Check
NKS001TZ
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to
WW-11, "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
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
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.
BCM
Battery
F
18
Ignition ON or START
1
Front wiper motor, front wiper relay, front wiper high relay
Battery
73
Front and rear washer pump via combination switch
Ignition ON or START
84
(+)
(
−
)
Ignition switch position
BCM con-
nector
Terminal
OFF
ON
M34
38
Ground
Approx. 0 V
Battery voltage
M35
42
Battery voltage
Battery voltage
55
Battery voltage
Battery voltage
PKIB5199E
BCM connector
Terminal
Ground
Continuity
M35
52
Yes
PKIB5198E
FRONT WIPER AND WASHER SYSTEM
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CONSULT-II Functions (BCM)
NKS001U0
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II BASIC OPERATION
Refer to
GI-38, "CONSULT-II Start Procedure"
.
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
*: When performed “RESET SETTING VALUE” on the BCM “WORK SUPPORT”, change setting value to the default value. Refer to
DATA MONITOR
Operation Procedure
1.
Touch “WIPER” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen.
4.
When “SELECTION FROM MENU” is selected, touched items to be monitored. If “ALL SIGNALS” is
selected, all items will be monitored.
5.
Touch “START”.
6.
Touch “RECORDING START” while monitoring to record the status of the item being monitored. To stop
recording, touch “RECORDING STOP”.
Display Item List
BCM diagnosis position
Diagnosis mode
Description
WIPER
WORK SUPPORT
Changes the setting for each function.
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Device operation can be checked by applying a drive signal to device.
BCM
SELF-DIAG RESULTS
BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
Item
Description
CONSULT-II
Setting value*
WIPER SPEED SETTING
Vehicle speed sensing type wiper control mode can be changed in
this mode. Selects vehicle speed sensing type wiper control mode
between two ON/OFF.
ON
Default
OFF
Factory setting
ALL SIGNALS
Monitors all the signals.
SELECTION FROM MENU
Selects items and monitors them.
Monitor item
Contents
IGN ON SW
“ON/OFF”
Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from ignition
switch signal.
IGN SW CAN
“ON/OFF”
Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from CAN
communication signal.
FR WIPER HI
“ON/OFF”
Displays “FRONT WIPER HI (ON)/Other (OFF)” status as judged from wiper switch signal.
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NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Operation Procedure
1.
Touch “WIPER” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch items to be tested, and check operation.
4.
During operation check, touching “OFF” deactivates operation.
Display Item List
FR WIPER LOW
“ON/OFF”
Displays “FRONT WIPER LOW (ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
FR WIPER INT
“ON/OFF”
Displays “FRONT WIPER INT (ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
FR WASHER SW
“ON/OFF”
Displays “FRONT WASHER Switch (ON)/Other (OFF)” status as judged from wiper switch
signal.
INT VOLUME
“1 - 7”
Displays intermittent operation dial position setting (1 - 7) as judged from wiper switch sig-
nal.
FR WIPER STOP
“ON/OFF”
Displays “Stopped (ON)/Operating (OFF)” status as judged from the auto-stop signal.
VEHICLE SPEED
“km/h”
Displays vehicle speed status as judged from vehicle speed signal.
RR WIPER ON
“ON/OFF”
Displays “Rear Wiper ON (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER INT
“ON/OFF”
Displays “Rear Wiper INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WASHER SW
“ON/OFF”
Displays “Rear Washer Switch (ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
RR WIPER STOP
“ON/OFF”
Displays “Rear Wiper Stop (ON)/Other (OFF)” status, as judged from wiper switch signal.
RR WIPER STP2
NOTE
“OFF”
—
Monitor item
Contents
Test item
Display on CONSULT-II screen
Description
Front wiper output
FR WIPER
With a certain operation (OFF, HI, LO, INT), the front wiper can be operated.
Rear wiper output
RR WIPER
Rear wiper can be operated by any ON-OFF operation.
FRONT WIPER AND WASHER SYSTEM
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CONSULT-II Functions (IPDM E/R)
NKS001U1
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II BASIC OPERATION
Refer to
GI-38, "CONSULT-II Start Procedure"
.
DATA MONITOR
Operation Procedure
1.
Touch “DATA MONITOR” on “SELECT DIAG MODE ” screen.
2.
Touch “ALL SIGNALS”, “MAIN SIGNALS”, or “SELECTION FROM MENU” on the “SELECT MONITOR
ITEM” screen.
3.
Touch the required monitoring item on “SELECTION FROM MENU”. In “ALL SIGNALS”, all items are
monitored. In “MAIN SIGNALS”, predetermined items are monitored.
4.
Touch “START”.
5.
Touch “RECORD” while monitoring to record the status of the item being monitored. To stop recording,
touch “STOP”.
All Signals, Main Signals, Selection From Menu
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct.
ACTIVE TEST
Operation Procedure
1.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2.
Touch item to be tested, and check operation.
3.
Touch “START”.
4.
Touch “OFF” while testing to stop the operation.
Diagnosis Mode
Description
SELF
−
DIAG RESULTS
Refer to
DATA MONITOR
The input/output data of IPDM E/R is displayed in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST
IPDM E/R sends a drive signal to electronic components to check their operation.
ALL SIGNALS
Monitors all items.
MAIN SIGNALS
Monitor the predetermined item.
SELECTION FROM MENU
Selects items and monitors them.
Item name
CONSULT-II
screen display
Display or unit
Monitor item selection
Description
ALL
SIGNALS
MAIN
SIGNALS
SELECTION
FROM
MENU
FR wiper request
FR WIP REQ
STOP/LOW/HI
×
×
×
Signal status input from BCM
Wiper auto stop
WIP AUTO STOP
ACT P/STOP P
×
×
×
Output status of IPDM E/R
Wiper protection
WIP PROT
OFF/BLOCK
×
×
×
Control status of IPDM E/R
Test item
CONSULT-II screen display
Description
Front wiper (HI, LO) output
FRONT WIPER
With a certain operation (OFF, HI ON, LO ON), the front wiper relay
(Lo, Hi) can be operated.
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Front Wiper Does Not Operate
NKS001U2
CAUTION:
During IPDM E/R fail-safe control, front wipers may not operate. Refer to
in “PG IPDM E/R” to make sure that it is not in fail-safe status.
1.
ACTIVE TEST
With CONSULT-ll
1.
Select “IPDM E/R” by CONSULT-II, and select “ACTIVE TEST”
on “SELECT DIAG MODE” screen.
2.
Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3.
Touch “LO” or “HI” screen.
Without CONSULT-ll
Start up auto active test. Refer to
Does front wiper operate normally?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK FRONT WIPER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front wiper motor connec-
tor.
3.
Check continuity between IPDM E/R harness connector and
front wiper motor harness connector.
4.
Check continuity between IPDM E/R harness connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between front wiper motor harness connector E22
terminal 1 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
SKIA3486E
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E7
21
E22
3
Yes
31
2
IPDM E/R
Ground
Continuity
Connector
Terminal
E7
21
No
31
PKIB2186E
1 – Ground
: Continuity should exist.
PKIA6406E
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