Nissan Primera P12. Manual — part 509
GW-32
REAR WINDOW DEFOGGER
Rear Window Defogger Circuit Check
EIS0060Y
1.
CHECK FUSE
●
Check 20A fuse [No.7, located in the fuse block (J/B)]
NOTE:
Refer to
GW-16, "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
.
2.
CHECK REAR WINDOW DEFOGGER RELAY
1.
Turn ignition switch OFF.
2.
Remove rear window defogger relay.
3.
Check continuity between rear window defogger terminals 3 and 5.
OK or NG
OK
>> GO TO 3.
NG
>> Replace rear window defogger relay.
3.
CHECK POWER SUPPLY CIRCUIT
1.
Installation rear window defogger relay.
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 4.
NG
>> GO TO 5.
Terminal
Condition
Continuity
3
5
12V direct current supply
between terminals 1 and 2
Yes
No current supply
No
SEC202B
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B25
or
B85
1(L/G)
Ground
Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF.
0
PIIA4234E
REAR WINDOW DEFOGGER
GW-33
C
D
E
F
G
H
J
K
L
M
A
B
GW
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear window defogger connector B83 or D95 terminal 2 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 between rear window defog-
ger and ground.
5.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger relay.
3.
Check continuity between rear window defogger relay connector B7 terminal 5 and rear window defogger
connector B25 or D85 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.
2 (B)
−
Ground
: Continuity should exist.
PIIA4235E
5 (L/R) – 1 (L/R)
: Continuity should exist.
PIIA4236E
GW-34
REAR WINDOW DEFOGGER
Door Mirror Defogger Power Supply Circuit Check
EIS0060Z
1.
CHECK FUSE
●
Check 10A fuse [No.23, located in the fuse block (J/B)]
NOTE:
Refer to
GW-16, "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
.
2.
CHECK REAR WINDOW DEFOGGER RELAY
1.
Turn ignition switch OFF.
2.
Remove rear window defogger relay.
3.
Check continuity between rear window defogger terminals 6 and 7.
OK or NG
OK
>> GO TO 3.
NG
>> Replace rear window defogger relay.
3.
CHECK HARNESS CONTINUITY
Check continuity between rear window defogger relay connector B7
terminal 7 and door mirror actuator connector D3 (driver side) or D32
(passenger side) terminal 7.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness between rear window defog-
ger relay and malfunction door mirror actuator connec-
tor.
4.
CHECK GROUND CIRCUIT
Check continuity between door mirror actuator connector D3 (driver
side), D32 (passenger side) terminal 6 and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace harness.
Terminal
Condition
Continuity
6
7
12V direct current supply
between terminals 1 and 2
Yes
No current supply
No
SEC202B
7 (G/R) – 7 (G/Y or G/R)
: Continuity should exist.
MIIB0422E
6 (B) – Ground
: Continuity should exist.
MIIB0424E
REAR WINDOW DEFOGGER
GW-35
C
D
E
F
G
H
J
K
L
M
A
B
GW
5.
CHECK DOOR MIRROR DEFOGGER
1.
Connector door mirror connector.
2.
Check continuity between each door mirror connector D3 (driver
side), D32 (passenger side) terminals 6 and 7.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace malfunctioning door mirror actuator.
Electrical Components Inspection
EIS005K5
FILAMENT CHECK
1.
When measuring voltage, wrap tin foil around the top of the neg-
ative probe. Then press the foil against the wire with your finder.
2.
Attach probe circuit tester (in Volt range) to middle portion of
each filament.
6 (B) – 7 (G/Y or G/R)
: Continuity should exist.
MIIB0423E
SEL122R
SEL263
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