Nissan GT-R. Instruction — part 70
REAR WINDOW DEFOGGER
DEF-11
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
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
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
DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-13
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
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
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
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