Nissan Murano Z50 (2003 year). Manual — part 146
REAR WINDOW DEFOGGER
GW-91
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Revision; 2004 April
2003 Murano
TIWA0294E
GW-92
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
TIWA0323E
REAR WINDOW DEFOGGER
GW-93
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TIWA0295E
GW-94
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
Terminal and Reference Value for BCM
AIS002IG
Terminal and Reference Value for IPDM E/R
AIS002IH
Work Flow
AIS002II
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Symptom Chart"
.
4.
Does rear window defogger operate normally? YES: GO TO 5, NO: GO TO 3.
5.
INSPECTION END.
Terminal
Wire color
Item
Condition
Voltage (V)
(Approx.)
7
W/B
Battery power supply
—
Battery voltage
8
B
Ground
—
0
35
R
Ignition switch ON or START
Ignition switch (ON or START position)
Battery voltage
69
G/W
Rear window defogger
switch signal
When rear window defogger switch is pressed.
0
When rear window defogger switch is OFF.
5
70
L
CAN H
—
—
71
Y
CAN L
—
—
72
O
K-Line
—
—
Terminal
Wire color
Item
Condition
Voltage (V)
(Approx.)
3
L
Battery power supply
—
Battery voltage
8
W
Battery power supply
—
Battery voltage
14
B
Ground (Power)
—
0
45
B
Ground (Signal)
—
0
48
L
CAN H
—
—
49
Y
CAN L
—
—
54
G/R
Rear window defogger relay
control signal
When rear window defogger switch is ON.
0
When rear window defogger switch is OFF.
Battery voltage
REAR WINDOW DEFOGGER
GW-95
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Revision; 2004 April
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CONSULT-II Inspection Procedure
AIS003KV
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.
Turn ignition switch “OFF”.
2.
Connect “CONSULT-II” and CONSULT-II CONVERTER to data
link connector.
3.
Turn ignition switch “ON”.
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “BCM”.
If “BCM” is not indicated, go to
, “CONSULT-II Date Link
Connector (DLC) Circuit”
6.
Touch “REAR DEFOGGER”.
PIIA1095E
MBIB0233E
LIIA0033E
LIIA0153E
GW-96
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
7.
Select diagnosis mode,“DATA MONITOR” and “ACTIVE TEST”.
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SEL322W
Monitor item “Operation”
Content
REAR DEF SW
“ON/OFF”
Displays “Press (ON)/others (OFF)” status determined with the rear window defogger
switch.
IGN ON SW
“ON/OFF”
Displays “IGN (ON)/OFF” status determined with the ignition switch signal.
Test item
Content
REAR DEFOGGER
Gives a drive signal to the rear window defogger relay to activate it.
REAR WINDOW DEFOGGER
GW-97
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Revision; 2004 April
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Trouble Diagnoses Symptom Chart
AIS002IK
Make sure other systems using the signal of the following systems operate normally.
Symptom
Diagnoses / Service procedure
Refer to page
Rear window defogger and door mirror defogger do not
operate. (With door mirror defogger)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Rear window defogger power supply circuit check
5. Replace IPDM E/ R
Rear window defogger does not operate.
(Without door mirror defogger)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Rear window defogger power supply circuit check
5. Rear window defogger circuit check
6. Filament check
7. Replace IPDM E/ R
Rear window defogger does not operate but both of door
mirror defogger operate.(With door mirror defogger)
1. Rear window defogger circuit check
2. Filament check
Door mirror defogger does not operated but both of rear
window defogger operate. (With door mirror defogger)
1. Door mirror defogger power supply circuit check
Driver side door mirror defogger does not operate.
1. Driver side door mirror defogger circuit check
Passenger side door mirror defogger does not operate.
1. Passenger side door mirror defogger circuit check
Rear window defogger switch does not light, and rear win-
dow defogger is not displayed on the display.
But rear window defogger operates.
1. Rear window defogger signal check
GW-98
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
BCM Power Supply and Ground Circuit Check
AIS0034Z
1.
CHECK FUSE
●
Check 10A fuse [No.1, located in fuse block (J/B)]
●
Check 50A fusible link (letter F located in the fuse and fusible link box)
NOTE:
Refer to
GW-65, "Component Parts and Harness Connector Location"
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.
Turn ignition switch ON.
2.
Check voltage between BCM connector M35, E118 terminal 7, 35 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check BCM power supply circuit for open or short.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM connector E118 terminal 8 and ground.
OK or NG
OK
>> BCM power supply and ground circuit is OK.
NG
>> Check BCM ground circuit for open or short.
7 (W/B) – Ground
:Battery voltage
35 (R) – Ground
:Battery voltage
PIIA3010E
8 (B) – Ground
: Continuity should exist.
PIIA1127E
REAR WINDOW DEFOGGER
GW-99
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Rear Window Defogger Switch Circuit Check
AIS002IL
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT-II
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode
with CONSULT-II.
With out CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between BCM connector ground.
OK or NG
OK
>> Rear window defogger switch check is OK.
NG
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and A/C and AV switch connector.
3.
Check continuity between BCM connector M37 terminal 69 and A/C and AV switch connector M48 termi-
nal 16.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between BCM and A/C and
AV switch.
When rear window defogger switch is turned to ON
REAR DEF SW
: ON
When ignition switch is turned to ON
IGN ON SW
: ON
PIIA2373E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M37
69 (G/W)
Ground
Rear window defogger
switch is pressed.
0
Rear window defogger
switch is OFF.
5
PIIA3860E
69 (G/W) – 16(G/W)
: Continuity should exist.
PIIA4226E
GW-100
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
3.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector M37 terminal 69 and
ground.
OK or NG
OK
>> Replace A/C and AV switch.
NG
>> Replace BCM.
Rear Window Defogger Power Supply Circuit Check
AIS002IM
1.
CHECK FUSE
●
Check 10A fuse [No.12, located in the fuse block (J/B)]
●
Check 20A fuse (No.77, located in the IPDM E/R)
●
Check 20A fuse (No.78, located in the IPDM E/R)
NOTE:
Refer to
GW-65, "Component Parts and Harness Connector Location"
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.
Turn ignition switch OFF.
2.
Disconnect rear window defogger relay.
3.
Turn ignition switch ON.
4.
Check voltage between rear window defogger relay connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between fuse block (J/B) and
rear window defogger relay.
69 (G/W) – Ground
: Approx. 5
PIIA3860E
Connector
Terminals (Wire color)
Voltage (V)
(Approx.)
(+)
(-)
B8
1 (G)
Ground
Battery voltage
3 (L)
6 (W)
PIIA4233E
REAR WINDOW DEFOGGER
GW-101
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3.
CHECK REAR WINDOW DEFOGGER RELAY
Check continuity between rear window defogger terminals 3 and 5, 6 and 7.
OK or NG
OK
>> GO TO 4.
NG
>> Replace rear window defogger relay.
4.
CHECK GROUND CIRCUIT
1.
Installation rear window defogger relay.
2.
Turn ignition switch ON.
3.
Check voltage between IPDM E/R connector and ground.
OK or NG
OK
>> Rear window defogger power supply circuit check is OK.
NG
>> GO TO 5.
5.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and rear window defogger relay.
3.
Check continuity between IPDM E/R connector E9 terminal 54 and rear window defogger relay connector
B8 terminal 2.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace harness between IPDM E/R and rear
window defogger relay.
Terminal
Condition
Continuity
3
5
12V direct current supply
between terminals 1 and 2
Yes
No current supply
No
6
7
12V direct current supply
between terminals 1 and 2
Yes
No current supply
No
SEC202B
Connector
Terminals (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
E9
54 (G/R)
Ground
When rear window defog-
ger switch ON
0
When rear window defog-
ger switch OFF
Battery
voltage
PIIA3863E
54 (G/R) – 2 (G/R)
: Continuity should exist.
PIIA3864E
GW-102
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
6.
CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL
1.
Connect IPDM E/R and rear window defogger relay.
2.
Turn ignition switch ON.
3.
Check voltage between IPDM E/R connector E9 terminal 54 and ground.
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Check the condition of the harness and the connector.
Rear Window Defogger Circuit Check
AIS002IN
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger connector.
3.
Turn ignition switch ON.
4.
Check voltage between rear window defogger connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear window defogger connector D107 terminal 2 and ground.
OK or NG
OK
●
If filament is OK.
Check the condition of the harness and the connector.
●
If filament is NG.
Repair filament.
NG
>> Repair or replace harness between rear window defog-
ger and ground.
54 (G/R) – Ground
:Battery voltage
PIIA3863E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
D97
1(G)
Ground
Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF.
0
PIIA4234E
2 (B)
−
Ground
: Continuity should exist.
PIIA4235E
REAR WINDOW DEFOGGER
GW-103
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Revision; 2004 April
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3.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger relay.
3.
Check continuity between rear window defogger relay connector B8 terminal 5 and rear window defogger
connector D97 terminal 1.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Repair or replace harness rear window defogger relay
and rear window defogger. When there is malfunction
inside back door, replace the back door.
Door Mirror Defogger Power Supply Circuit Check
AIS002IO
1.
CHECK FUSE
●
Check 10A fuse [No.8, located in the fuse block (J/B)]
NOTE:
Refer to
GW-65, "Component Parts and Harness Connector Location"
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
1.
Turn ignition switch ON.
2.
Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between rear window defogger relay and fuse block (J/B).
5 (G) – 1 (G)
: Continuity should exist.
PIIA4236E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
E101
2C (G)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA2388E
GW-104
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
3.
CHECK POWER SUPPLY CIRCUIT 2
Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace fuse block (J/B).
4.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) and door mirror connector.
3.
Check continuity between fuse block (J/B) connector M5 terminal 5B and door mirror connector D2 (driver
side) or D32 (passenger side) terminal 1.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness between fuse block (J/B) and
malfunction door mirror connector.
5.
CHECK GROUND CIRCUIT
Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminal 5 and
ground.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace harness.
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M5
5B (L)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA2386E
5B (B) – 1 (B)
: Continuity should exist.
PIIA4228E
5 (B) – Ground
: Continuity should exist.
PIIA4229E
REAR WINDOW DEFOGGER
GW-105
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Revision; 2004 April
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6.
CHECK DOOR MIRROR DEFOGGER
1.
Connector door mirror connector.
2.
Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminals 1
and 5.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace malfunctioning door mirror.
Driver Side Door Mirror Defogger Circuit Check
AIS002IP
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect door mirror (driver side) connector.
3.
Turn ignition switch ON.
4.
Check voltage between door mirror (driver side) connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between fuse block (J/B) and
door mirror (driver side).
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (driver side) connector D2
terminal 5 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between door mirror (driver
side) and ground.
1 (L/B) – 5 (L/B)
: Continuity should exist.
PIIA4230E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
D2
1 (L/B)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA4231E
5 (B) – Ground
: Continuity should exist.
PIIA4229E
GW-106
REAR WINDOW DEFOGGER
Revision; 2004 April
2003 Murano
3.
CHECK DOOR MIRROR DEFOGGER
1.
Connector door mirror connector.
2.
Check continuity between each door mirror connector D2 (driver side) terminals 1 and 5.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace door mirror (driver side).
Passenger Side Door Mirror Defogger Circuit Check
AIS002IQ
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect door mirror (passenger side) connector.
3.
Turn ignition switch ON.
4.
Check voltage between door mirror (passenger side) connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between fuse block (J/B) and
door mirror (passenger side).
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (passenger side) connector D32 terminal 5 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between door mirror (passen-
ger side) and ground.
1 (L/B) – 5 (L/B)
: Continuity should exist.
PIIA4230E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
D32
1 (L/B)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA4231E
5 (B) – Ground
: Continuity should exist.
PIIA4229E
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