Infiniti G35 (V35). Manual — part 550
REAR WINDOW DEFOGGER
GW-71
C
D
E
F
G
H
J
K
L
M
A
B
GW
3.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector M1 terminal 9 and
ground.
OK or NG
OK
>> Replace A/C and audio controller.
NG
>> Replace BCM.
Check Rear Window Defogger Power Supply Circuit
NIS000FD
1.
CHECK FUSE
●
Check 10A fuse [No. 12, located in fuse block (J/B)]
●
Check 20A fuse [No. 75, located in fuse IPDM E/R]
●
Check 20A fuse [No. 80, located in fuse IPDM E/R]
NOTE:
Refer to
GW-58, "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 REAR WINDOW DEFOGGER RELAY 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 B417 terminal 1, 3, 6 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
9 (L/R) – Ground
: Approx. 5V
PIIA6208E
Connector
Terminals (Wire color)
Voltage (V)
(Approx.)
(+)
(-)
B417
1 (O/R)
Ground
Battery voltage
3 (W)
6 (R)
PIIA4233E
GW-72
REAR WINDOW DEFOGGER
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 REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Installation rear window defogger relay.
3.
Turn ignition switch ON.
4.
Turn rear window defogger switch OFF.
5.
Check voltage between IPDM E/R connector E9 terminal 52 and ground.
OK or NG
OK
>> Rear window defogger power supply circuit check is OK.
NG
>> GO TO 5.
5.
CHECK IPDM E/R HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and rear defogger relay.
3.
Check continuity between IPDM E/R connector E9 terminal 52
and rear window defogger relay connector B417 terminal 2.
OK or NG
OK
>> Check connector for damage and loose connection.
NG
>> Repair or replace harness.
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
52 (G/R) – Ground
: Battery voltage
PIIA6210E
52 (G/R) – 2 (BR)
: Continuity should exist.
PIIA6211E
REAR WINDOW DEFOGGER
GW-73
C
D
E
F
G
H
J
K
L
M
A
B
GW
Check Rear Window Defogger Circuit
NIS000FE
1.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT 1
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 REAR WINDOW DEFOGGER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear window defogger connector
B451 terminal 1 and ground.
OK or NG
OK
>> Check filament, Refer to
●
If filament is OK.
Check the condition of the harness and the connector.
●
If filament is NG.
Repair filament.
NG
>> Repair or replace harness.
3.
CHECK REAR WINDOW DEFOGGER POWER WINDOW SUPPLY CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Disconnect condenser connector.
3.
Turn ignition switch ON.
4.
Check voltage between condenser connector and ground.
OK or NG
OK
>> Repair or replace harness.
NG
>> GO TO 4.
Connector
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(-)
B471
2
Ground
Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF.
0
PIIA3517E
1 (B)
−
Ground
: Continuity should exist
PIIA3518E
Connector
Terminals (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
B416
1 (L)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA3519E
GW-74
REAR WINDOW DEFOGGER
4.
CHECK CONDENSER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger relay.
3.
Check continuity between rear window defogger relay connector
B417 terminal 5 and condenser connector B416 terminal 1.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Repair or replace harness.
Check Door Mirror Defogger Power Supply Circuit
NIS000FF
1.
CHECK FUSE
●
Check 10A fuse [No. 8, located in fuse block (J/B)]
NOTE:
Refer to
GW-58, "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 DOOR MIRROR DEFOGGER 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.
3.
CHECK DOOR MIRROR DEFOGGER POWER SUPPLY 2
Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace fuse block (J/B).
5 (L) – 1 (L)
: Continuity should exist.
PIIA3865E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
E101
2C (B/Y)
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
PIIA2388E
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
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