Nissan GT-R (2007-2014 year). ENGINE COOLING SYSTEM / DEFOGGER. Service Manual — part 2
REAR WINDOW DEFOGGER SWITCH
DEF-7
< DTC/CIRCUIT DIAGNOSIS >
C
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A
B
DEF
N
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REAR WINDOW DEFOGGER SWITCH
Component Function Check
INFOID:0000000009161593
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the indicator lamp of rear window defogger illuminates when rear window defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009161594
1.
CHECK REAR WINDOW DEFOGGER SWITCH
Does rear window defogger switch operate normally?
• Base audio with navigation system. Refer to
• Bose audio with navigation system. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace preset switch (rear window defogger switch). Refer to
AV-87, "Removal and Installation"
(Base audio with navigation) or
AV-180, "Removal and Installation"
(Bose audio with navigation).
Revision: 2012 November
2014 GT-R
DEF-8
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
Diagnosis Procedure
INFOID:0000000009161596
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse [No.3, located in fuse block (J/B)].
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK REAR WINDOW DEFOGGER CIRCUIT 1
1.
Turn ignition switch ON.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Rear window defogger power supply circuit is OK.
NO
>> GO TO 3.
3.
CHECK REAR WINDOW DEFOGGER CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and fuse block (J/B).
3.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER RELAY
1.
Disconnect rear window defogger relay,
2.
Check rear window defogger relay.
Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace rear window defogger relay.
5.
CHECK FUSE BLOCK (J/B)
1.
Install the rear window defogger relay.
2.
Turn ignition switch ON.
3.
Check voltage between fuse block (J/B) connector (fuse block side) and ground.
Is the inspection result normal?
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
151
Ground
Rear window defogger switch: ON
0
Rear window defogger switch: OFF
Battery voltage
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M123
151
M2
4B
Existed
(+)
(–)
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M2
4B
Ground
Battery voltage
Revision: 2012 November
2014 GT-R
REAR WINDOW DEFOGGER RELAY
DEF-9
< DTC/CIRCUIT DIAGNOSIS >
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YES
>> GO TO 6.
NO
>> Replace fuse block (J/B).
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009161597
1.
CHECK REAR WINDOW DEFOGGER RELAY
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger relay.
3.
Check rear window defogger relay.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace rear window defogger relay.
Rear window
defogger relay
Condition
Continuity
Terminal
3
5
12 V direct current supply between termi-
nals 1 and 2.
Existed
No current supply
Not existed
SEF497Y
Revision: 2012 November
2014 GT-R
DEF-10
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER
Diagnosis Procedure
INFOID:0000000009161599
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check the following.
-
20A fuse [No.15, located in fuse block (J/B)]
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between rear window defogger harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger connector.
3.
Check continuity between rear window defogger harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness between rear window defogger and ground.
4.
CHECK REAR WINDOW DEFOGGER CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect condenser connector.
3.
Check continuity between condenser harness connector and rear window defogger harness connector.
4.
Check continuity between condenser harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness between condenser and rear window defogger.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear window defogger
Connector
Terminal
B471
1
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Rear window defogger
Ground
Continuity
Connector
Terminal
B472
2
Existed
Condenser
Rear window defogger
Continuity
Connector
Terminal
Connector
Terminal
B33
1
B471
1
Existed
Condenser
Ground
Continuity
Connector
Terminal
B33
1
Not existed
Revision: 2012 November
2014 GT-R
REAR WINDOW DEFOGGER
DEF-11
< DTC/CIRCUIT DIAGNOSIS >
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DEF
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5.
CHECK REAR WINDOW DEFOGGER CIRCUIT 2
1.
Disconnect fuse block (J/B) connector.
2.
Check continuity between fuse block (J/B) harness connector and condenser harness connector.
3.
Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness between fuse block (J/B) and condenser.
6.
CHECK FUSE BLOCK (J/B)
1.
Turn ignition switch ON.
2.
Check voltage between fuse block (J/B) (fuse block side) and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace fuse block (J/B).
7.
CHECK FILAMENT
Check the filament for damage or blown.
Refer to
DEF-25, "Inspection and Repair"
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair filament.
8.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Fuse block (J/B)
Condenser
Continuity
Connector
Terminal
Connector
Terminal
B6
10G
B33
1
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
B6
10G
Not existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
B6
10G
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Revision: 2012 November
2014 GT-R
DEF-12
< DTC/CIRCUIT DIAGNOSIS >
DOOR MIRROR DEFOGGER
DOOR MIRROR DEFOGGER
Diagnosis Procedure
INFOID:0000000009161601
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse [No.13, located in fuse block (J/B)].
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK FUSE BLOCK (J/B)
1.
Disconnect fuse block (J/B) connector.
2.
Turn ignition switch ON.
3.
Check voltage between fuse block (J/B) connector (fuse block side) and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace fuse block (J/B).
3.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M3
9C
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
10C
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Revision: 2012 November
2014 GT-R
DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-13
< DTC/CIRCUIT DIAGNOSIS >
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A
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DEF
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DRIVER SIDE DOOR MIRROR DEFOGGER
Diagnosis Procedure
INFOID:0000000009161603
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) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness con-
nector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between fuse block (J/B) and door mirror (driver side).
3.
CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace fuse block (J/B).
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (driver side) harness connector and ground.
Is the inspection result normal?
(+)
(–)
Condition
Voltage (V)
(Approx.)
Door mirror (driver side)
Connector
Terminal
D3
1
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Fuse block (J/B)
Door mirror (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M3
10C
D3
1
Existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M3
10C
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Door mirror (driver side)
Ground
Continuity
Connector
Terminal
D3
5
Existed
Revision: 2012 November
2014 GT-R
DEF-14
< DTC/CIRCUIT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
YES
>> Replace door mirror glass (driver side). Refer to
MIR-17, "GLASS MIRROR : Disassembly and
NO
>> Repair or replace harness between door mirror (driver side) and ground.
5.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Revision: 2012 November
2014 GT-R
PASSENGER SIDE DOOR MIRROR DEFOGGER
DEF-15
< DTC/CIRCUIT DIAGNOSIS >
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DEF
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PASSENGER SIDE DOOR MIRROR DEFOGGER
Diagnosis Procedure
INFOID:0000000009161605
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) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Check continuity between fuse block (J/B) harness connector and door mirror (passenger side) harness
connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between fuse block (J/B) and door mirror (passenger side).
3.
CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace fuse block (J/B).
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (passenger side) harness connector and ground.
Is the inspection result normal?
(+)
(–)
Condition
Voltage (V)
(Approx.)
Door mirror (Passenger side)
Connector
Terminal
D33
1
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Fuse block (J/B)
Door mirror (passenger side)
Continuity
Connector
Terminal Connector
Terminal
M3
9C
D33
1
Existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M3
9C
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Door mirror (passenger side)
Ground
Continuity
Connector
Terminal
D33
5
Existed
Revision: 2012 November
2014 GT-R
DEF-16
< DTC/CIRCUIT DIAGNOSIS >
PASSENGER SIDE DOOR MIRROR DEFOGGER
YES
>> Replace door mirror glass (passenger side). Refer to
MIR-17, "GLASS MIRROR : Disassembly
.
NO
>> Repair or replace harness between door mirror (passenger side) and ground.
5.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Revision: 2012 November
2014 GT-R
REAR WINDOW DEFOGGER SYSTEM
DEF-17
< DTC/CIRCUIT DIAGNOSIS >
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A
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DEF
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REAR WINDOW DEFOGGER SYSTEM
Wiring Diagram - DEFOGGER SYSTEM -
INFOID:0000000009161606
JCLWA4098GB
Revision: 2012 November
2014 GT-R
DEF-18
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER DOES NOT OPERATE
SYMPTOM DIAGNOSIS
REAR WINDOW DEFOGGER DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000009161612
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to
DEF-7, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
CHECK REAR WINDOW DEFOGGER
Check rear window defogger.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace the malfunctioning parts.
5.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
Revision: 2012 November
2014 GT-R
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGERS DO NOT OP-
ERATE
DEF-19
< SYMPTOM DIAGNOSIS >
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REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGERS DO NOT
OPERATE
Diagnosis Procedure
INFOID:0000000009161613
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to
DEF-7, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
Revision: 2012 November
2014 GT-R
DEF-20
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR MIRROR
DEFOGGERS OPERATE
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR
MIRROR DEFOGGERS OPERATE
Diagnosis Procedure
INFOID:0000000009161614
1.
CHECK REAR WINDOW DEFOGGER
Check rear window defogger.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
Revision: 2012 November
2014 GT-R
DOOR MIRROR DEFOGGER DOES NOT OPERATE
DEF-21
< SYMPTOM DIAGNOSIS >
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A
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DEF
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DOOR MIRROR DEFOGGER DOES NOT OPERATE
BOTH SIDES
BOTH SIDES : Diagnosis Procedure
INFOID:0000000009161615
1.
CHECK DOOR MIRROR DEFOGGER
Check door mirror defogger.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
DRIVER SIDE
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000009161616
1.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
Check driver side door mirror defogger.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
PASSENGER SIDE
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000009161617
1.
CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER.
Check passenger side door mirror defogger.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
Revision: 2012 November
2014 GT-R
DEF-22
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER INDICATOR DOES NOT ILLUMINATE
REAR WINDOW DEFOGGER INDICATOR DOES NOT ILLUMINATE
Diagnosis Procedure
INFOID:0000000009161619
1.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger operate.
YES
>> Replace preset switch (rear window defogger switch). Refer to
AV-87, "Removal and Installation"
(Base audio with navigation) or
AV-180, "Removal and Installation"
(Bose audio with navigation).
NO
>> Check rear window defogger system.
Revision: 2012 November
2014 GT-R
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