Nissan Murano Z50 (2003 year). Manual — part 285
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FRONT WIPER AND WASHER SYSTEM
Revision; 2004 April
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Schematic
AKS004MV
TKWA0781E
FRONT WIPER AND WASHER SYSTEM
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Wiring Diagram — WIPER —
AKS004MW
TKWA0782E
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FRONT WIPER AND WASHER SYSTEM
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TKWA0783E
FRONT WIPER AND WASHER SYSTEM
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TKWA0784E
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FRONT WIPER AND WASHER SYSTEM
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Terminals and Reference Values for BCM
AKS004XO
Terminals and Reference Values for IPDM E/R
AKS004XP
How to Proceed With Trouble Diagnosis
AKS004MZ
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 warning chime operate normally? If YES: GO TO 6. If NO: GO TO 4.
6.
INSPECTION END
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Igni-
tion
switch
Operation or condition
7
W/B
Battery power supply
OFF
—
Battery voltage
8
B
Ground
ON
—
Approx. 0V
35
R
Ignition switch (ON)
ON
—
Battery voltage
40
R/B
Combination switch output 2
ON
Lighting switch and wiper switch
OFF
41
R/G
Combination switch output 3
42
P/L
Combination switch output 4
43
R
Combination switch output 5
47
R/W
Combination switch output 1
48
L/W
Combination switch input 1
ON
Lighting switch and wiper switch
OFF
4.5V or more
49
G/B
Combination switch input 2
ON
50
LG/R
Combination switch input 3
ON
51
G/Y
Combination switch input 4
ON
52
LG/B
Combination switch input 5
ON
70 L
CAN
−
H
—
—
—
71
Y
CAN
−
L
—
—
—
72 O
K-LINE
—
—
—
SKIA1119J
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
14 B
Ground
ON
—
Approx.
0V
18
R/L
Front and rear washer
motor power supply
ON
—
Battery voltage
30
L/B
High speed signal
ON
Front wiper
switch
OFF
Approx. 0V
HI
Battery voltage
31
L
Low speed signal
ON
Front wiper
switch
OFF
Approx. 0V
LO
Battery voltage
38 L/Y
Front wiper auto stop sig-
nal
ON
Front wiper operating
Battery voltage
Front wiper stopped
Approx. 0V
45
B
Ground
ON
—
Approx. 0V
48 L
CAN
−
H
—
—
—
49 Y
CAN
−
L
—
—
—
FRONT WIPER AND WASHER SYSTEM
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Preliminary Check
AKS004N0
CHECK POWER SUPPLY AND GROUND CIRCUIT
Inspection Procedure
1.
CHECK FUSE
●
Check if wiper and washer fuse is blown.
Refer to
WW-33, "Wiring Diagram — WIPER —"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between BCM and fuse.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness ground circuit.
CONSULT-II Functions
AKS004N1
CONSULT-II performs the following functions communicating with BCM.
Unit
Power source
Fuse No.
Front and rear washer motor
Ignition ON or START
87
Front wiper motor, front wiper relay, front wiper high relay
Battery
74
Front wiper relay, front wiper high relay
Ignition ON or START
80
Terminals
Ignition switch position
(+)
(-)
OFF
ON
Connector
Terminal
(Wire color)
E118
7 (W/B)
Ground
Battery voltage
Battery voltage
M35
35 (R)
0V
Battery voltage
SKIA3195E
Terminals
Continuity
Connector
Terminal (Wire color)
Ground
Yes
E118
8 (B)
SKIA3193E
BCM diagnosis position
Check item, Diagnosis mode
Description
Wiper
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Device operation can be checked by applying a drive signal to device.
BCM C/U
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
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CONSULT-II OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1.
With ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON.
2.
Touch “START (NISSAN BASED VHCL)”.
3.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, refer to
4.
Touch “WIPER”.
PBIB1300E
SKIA3098E
SKIA6338E
SKIA1922E
FRONT WIPER AND WASHER SYSTEM
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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 “DATA MONITOR” screen.
4.
Touch “START”.
5.
When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the items will be monitored.
6.
Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
ACTIVE TEST
Operation Procedure
1.
Touch “WIPERS” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on the “SELECT DIAG MODE” screen.
3.
Touch item to be tested and check operation of the selected item.
4.
During the operation check, touching “BACK” deactivates the operation.
Display Item List
All signals
Monitors all the items.
Selection from menu
Selects and monitors the individual item selected.
Monitor item name “operation or
unit”
Contents
IGN ON SW
“ON/OFF”
Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal.
FR WIPER INT
“ON/OFF”
Displays “Front Wiper INT (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 HI
“ON/OFF”
Displays “Front Wiper HI (ON)/Other (OFF)” status as judged from wiper switch signal.
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 signal.
VHCL SPEED SEN
“ON/OFF”
Displays “Driving (ON)/Stopped (OFF)” status as judged from vehicle speed signal.
FR WIPER STOP
“ON/OFF”
Displays “Stopped (ON)/Operating (OFF)” status as judged from the auto-stop signal.
RR WIPER INT
“ON/OFF”
Displays “Rear Wiper INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER ON
“ON/OFF”
Displays “Rear Wiper (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 signal.
RR WIPER STOP
“ON/OFF”
Displays “Stopped (OFF)/Operating (ON)” status as judged from the auto-stop signal.
Test item
Display on CONSULT-II screen
Description
Front wiper HI output
FR WIPER (HI)
Front wiper HI can be operated by any ON–OFF operation.
Front wiper LO output
FR WIPER (LOW)
Front wiper LO can be operated by any ON-OFF operation.
Front wiper INT output
FR WIPER (INT)
Front wiper INT can be operated by any ON-OFF operation.
Rear wiper output
RR WIPER
Rear wiper can be operated by any ON-OFF operation.
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Front Wiper Does Not Operate
AKS004N2
1.
FRONT WIPER ACTIVE TEST
1.
Select “FR WIPER (HI)” or “FR WIPER (LOW)” during active test. Refer to
2.
Make sure front wiper operation.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR 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 E8 ter-
minal 30 (L/B) and front wiper motor harness connector E22 ter-
minal 2 (L/B).
4.
Check continuity between IPDM E/R harness connector E8 ter-
minal 31 (L) and front wiper motor harness connector E22 termi-
nal 3 (L).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK FRONT WIPER MOTOR GROUND
Check continuity between front wiper motor harness connector E22
terminal 1 (B) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
Front wiper operation should operate.
Continuity should exist.
Continuity should exist.
SKIA4221E
Continuity should exist.
SKIA4222E
FRONT WIPER AND WASHER SYSTEM
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4.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Connect IPDM E/R connector and front wiper motor connector.
2.
Select “FR WIPER (HI)” or “FR WIPER (LOW)” during active
test. Refer to
. When front wiper relay,
and front wiper HI relay are operating, check voltage between
IPDM E/R harness connector and ground.
OK or NG
OK
>> Replace front wiper motor.
NG
>> Replace IPDM E/R.
5.
CHECK COMBINATION SWITCH CIRCUIT
Select “BCM” on CONSULT-II. Carry out self-diagnosis of “BCM C/
U”.
Displayed results of self-diagnosis
No malfunction detected>>GO TO 6.
CAN communications or CAN system>>Check BCM CAN commu-
nication system. Refer to
tion Inspection Using CONSULT-II (Self-Diagnosis)"
OPEN DETECT 1 - 5>>Combination switch system malfunction.
Go to
LT-257, "Combination Switch Inspection Accord-
ing to Self-Diagnostic Results"
6.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WIPER INT”, “FR WIPER LOW” and “FR WIPER HI” turn
ON-OFF according to operation of wiper switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
Terminals
Voltage
(+)
(-)
Condition
Connector
Terminal
(Wire color)
E8
30 (L/B)
Ground
Stopped
Approx. 0V
HI operation
Battery voltage
31 (L)
Stopped
Approx. 0V
LO operation
Battery voltage
SKIA4010E
LKIA0073E
When front wiper switch
is low position
: FR WIPER LOW ON
When front wiper switch
is HI position
: FR WIPER HI ON
SKIA4223E
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Front Wiper Stop Position Is Incorrect
AKS004N3
1.
CHECK FRONT WIPER MOTOR AUTO STOP SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WIPER STOP” turns ON-OFF according to wiper opera-
tion.
OK or NG
OK
>> Replace IPDM E/R.
NG
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR 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 E8 ter-
minal 38 (L/Y) and front wiper motor harness connector E22 ter-
minal 4 (L/Y).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK FRONT WIPER MOTOR GROUND CIRCUIT
Check continuity between front wiper motor harness connector E22
terminal 1 (B) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
When font wiper switch is
OFF position
: FR WIPER STOP ON
SKIA4224E
Continuity should exist.
SKIA4225E
Continuity should exist.
SKIA4222E
FRONT WIPER AND WASHER SYSTEM
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4.
CHECK FRONT WIPER MOTOR CIRCUIT (SHORT CIRCUIT)
Check continuity between front wiper motor harness connector E22
terminal 4 (L/Y) and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness or connector.
5.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Connect IPDM E/R connector.
2.
Turn ignition switch ON.
3.
Check voltage between front wiper motor harness connector
E22 terminal 4 (L/Y) and ground.
OK or NG
OK
>> Replace front wiper motor.
NG
>> Replace IPDM E/R.
Only Front Wiper Low Does Not Operate
AKS004N4
1.
FRONT WIPER ACTIVE TEST
1.
Select “FR WIPER (LOW)” during active test. Refer to
.
2.
Make sure front wipers operate in LOW operation mode.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR 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 E8 ter-
minal 31 (L) and front wiper motor harness connector E22 termi-
nal 3 (L).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
Continuity should not exist.
SKIA4227E
Battery voltage should exist.
SKIA4228E
Front wiper LOW operation should operate.
Continuity should exist.
SKIA4229E
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3.
CHECK IPDM E/R
1.
Connect IPDM E/R connector and front wiper motor connector.
2.
Select “FR WIPER (LOW)” during active test. Refer to
. When front wiper relay are operating, check
voltage between IPDM E/R harness connector E8 terminal 31(L)
and ground.
OK or NG
OK
>> Replace front wiper motor.
NG
>> Replace IPDM E/R.
4.
CHECK COMBINATION SWITCH CIRCUIT
Select “BCM” on CONSULT-II. Carry out self-diagnosis of “BCM C/
U”.
Displayed results of self-diagnosis
No malfunction detected>>GO TO 5.
CAN communication or CAN system>>Check BCM CAN communi-
cations system. Refer to
Inspection Using CONSULT-II (Self-Diagnosis)"
OPEN DETECT 1 - 5>>Combination switch system malfunction.
LT-257, "Combination Switch Inspection
According to Self-Diagnostic Results"
5.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WIPER (LOW)” turns ON-OFF according to operation of
wiper switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
Only Front Wiper Hi Does Not Operate
AKS004N5
1.
ACTIVE TEST
1.
Select “FR WIPER (HI)” during active test. Refer to
.
2.
Make sure front wipers operate in HI operation mode.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
Terminals
Voltage
(+)
(-)
Condition
Connector
Terminal
(Wire color)
E8
31 (L)
Ground
Stopped
Approx. 0V
LOW operation
Battery voltage
SKIA3593E
LKIA0073E
When front wiper switch is
low position
: FR WIPER LOW ON
SKIA4230E
Front wiper HI operation should operate.
FRONT WIPER AND WASHER SYSTEM
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2.
CHECK FRONT WIPER MOTOR 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 E8 ter-
minal 30 (L/B) and front wiper motor harness connector E22 ter-
minal 2 (L/B).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK IPDM E/R
1.
Connect IPDM E/R connector and front wiper motor connector.
2.
Select “FR WIPER (HI)” during active test. Refer to
. When front wiper relay, and front wiper high
relay are operating, check voltage between IPDM E/R harness
connector E8 terminal 30 (L/B) and ground.
OK or NG
OK
>> Replace front wiper motor.
NG
>> Replace IPDM E/R.
4.
CHECK COMBINATION SWITCH CIRCUIT
Select “BCM” on CONSULT-II. Carry out self-diagnosis of “BCM C/
U”.
Displayed results of self-diagnosis
No malfunction detected>>GO TO 5.
CAN communication or CAN system>>Check BCM CAN communi-
cations system. Refer to
Inspection Using CONSULT-II (Self-Diagnosis)"
OPEN DETECT 1 - 5>>Combination switch system malfunction.
Refer to
LT-257, "Combination Switch Inspection
According to Self-Diagnostic Results"
.
Continuity should exist.
SKIA4231E
Terminals
Voltage
(+)
(-)
Condition
Connector
Terminal
(Wire color)
E8
30 (L/B)
Ground
Stopped
Approx. 0V
HI operation
Battery voltage
SKIA3172E
LKIA0073E
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5.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WIPER (HI)” turns ON-OFF according to operation of wiper
switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
Only Front Wiper Intermittent Does Not Operate
AKS004N6
1.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WIPER (INT)” turns ON-OFF according to operation of
wiper switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
Front Wiper Intermittent Operation Switch Position Cannot Be Adjusted
AKS004N7
1.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “INT VOLUME” changes in order from 1 to 7 according to oper-
ation of the intermittent switch dial position.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
Wipers Do Not Wipe When Front Washer Operates
AKS004N8
1.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “FR WASHER SW” turns ON-OFF according to operation of
front washer switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace wiper switch.
When front wiper switch is
HI position
: FR WIPER HI ON
SKIA4232E
When front wiper switch is
INT position
: FR WIPER INT ON
SKIA4233E
SKIA4234E
When front wiper switch is
WASHER position
: FR WASHER SW ON
SKIA4235E
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Removal and Installation of Front Wiper Arms, Adjustment of Wiper Arms Stop
Location
AKS005H6
REMOVAL
1.
Operate wiper motor, and stop it at the auto stop position.
2.
Remove wiper arm caps and mounting nuts, and remove wiper arms from vehicle.
INSTALLATION
1.
Clean up the pivot area as illustrated. This will reduce possibility
of wiper arm looseness.
2.
Prior to wiper arm installation, turn on wiper switch to operate
wiper motor and then turn it “OFF” (auto stop).
3.
Push wiper arm onto pivot shaft, paying attention to blind spline.
4.
Lift the blade up and then set it down onto glass surface to set
the blade center to clearance “L1” & “L2” immediately before
tightening nut.
5.
Eject washer fluid. Turn on wiper switch to operate wiper motor
and then turn it “OFF”.
6.
Ensure that wiper blades stop within clearance “L1” & “L2”.
●
Tighten wiper arm nuts to specified torque.
7.
Attach wiper arm caps.
ADJUSTMENT
Refer to
Removal and Installation of Front Wiper Motor and Linkage
AKS005H7
REMOVAL
1.
Remove wiper arms. Refer to
2.
Remove cowl top cover. Refer to
in “EI”
section.
3.
Remove washer tube.
4.
Disconnect wiper motor connector.
5.
Remove wiper motor and linkage mounting bolts, and remove
wiper motor and linkage.
SEL024J
Clearance “L1”
: 36.6 - 51.6 mm (1.44 - 2.03 in)
Clearance “L2”
: 40.4 - 55.4 mm (1.59 - 2.18 in)
Front wiper arm nuts
: 23.5 N·m
(2.4 kg-m, 17 ft-lb)
PKIA7843E
PKIA2549E
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