Infiniti G37 Coupe. Manual — part 348
DEF-16
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER
DOOR MIRROR DEFOGGER
Description
INFOID:0000000001722040
Power is supplied to the door mirror defogger with BCM control.
Component Function Check
INFOID:0000000001722041
1.
CHECK DOOR MIRROR DEFOGGER
1.
Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2.
Touch “ON”.
3.
Check that both side door mirror glass is getting warmer.
Is the inspection result normal?
YES
>> Door mirror defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000001722043
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check the following.
-
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.
Turn ignition switch ON.
2.
Check voltage between fuse block (J/B) (fuse block side) and ground.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace fuse block (J/B).
Fuse block (J/B)
Ground
Condition of rear window
defogger switch
Voltage (V)
(Approx.)
Connector
Terminal
M3
9C
Ground
ON
Battery voltage
OFF
0
10C
ON
Battery voltage
OFF
0
DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-17
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
DRIVER SIDE DOOR MIRROR DEFOGGER
Description
INFOID:0000000001696775
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function Check
INFOID:0000000001696776
1.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
1.
Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2.
Touch “ON”.
3.
Check that the driver side door mirror glass is getting warmer.
Is the inspection result normal?
YES
>> Driver side door mirror defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000001696777
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 FUSE BLOCK (J/B) OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Turn ignition switch ON.
4.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace fuse block (J/B).
3.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness con-
nector.
Door mirror (driver side)
Ground
Condition of rear win-
dow defogger switch
Voltage (V)
(Approx.)
Connector
Terminal
D3
4
Ground
ON
Battery voltage
OFF
0
Fuse block (J/B)
Ground
Condition of rear win-
dow defogger switch
Voltage (V)
(Approx.)
Connector
Terminal
M3
10C
Ground
ON
Battery voltage
OFF
0
Fuse block (J/B)
Door mirror (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M3
10C
D3
4
Existed
DEF-18
< COMPONENT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
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 door mirror (driver side).
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?
YES
>> GO TO 5.
NO
>> Repair or replace harness between door mirror (driver side) and ground.
5.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
Check driver side door mirror defogger.
Refer to
DEF-18, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace door mirror (driver side). Refer to
MIR-50, "DOOR MIRROR ASSEMBLY : Removal and
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
Is the inspection result normal?
>> INSPECTION END.
Component Inspection
INFOID:0000000001696778
1.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
1.
Turn ignition switch OFF.
2.
Disconnect door mirror (driver side) connector.
3.
Check continuity between door mirror terminals.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace door mirror glass (driver side). Refer to
MIR-50, "DOOR MIRROR ASSEMBLY : Removal
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M3
10C
Ground
Not existed
Door mirror (driver side)
Ground
Continuity
Connector
Terminal
D3
8
Ground
Existed
Door mirror (driver side)
Continuity
Connector
Terminal
D3
4
8
Existed
PASSENGER SIDE DOOR MIRROR DEFOGGER
DEF-19
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
PASSENGER SIDE DOOR MIRROR DEFOGGER
Description
INFOID:0000000001696779
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function Check
INFOID:0000000001696780
1.
CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
1.
Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2.
Touch “ON”.
3.
Check that the passenger side door mirror glass is getting warmer.
Is the inspection result normal?
YES
>> Passenger side door mirror defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000001696781
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 FUSE BLOCK (J/B) OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Turn ignition switch ON.
4.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace fuse block (J/B).
3.
CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
1.
Turn ignition switch OFF.
2.
Check continuity between fuse block (J/B) harness connector and door mirror (passenger side) harness
connector.
Door mirror (Passenger side)
Ground
Condition of rear win-
dow defogger switch
Voltage (V)
(Approx.)
Connector
Terminal
D33
4
Ground
ON
Battery voltage
OFF
0
Fuse block (J/B)
Ground
Condition of rear win-
dow defogger switch
Voltage (V)
(Approx.)
Connector
Terminal
M3
9C
Ground
ON
Battery voltage
OFF
0
Fuse block (J/B)
Door mirror (passenger side)
Continuity
Connector
Terminal Connector
Terminal
M3
9C
D33
4
Existed
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