Nissan Rogue. Instruction — part 285
REAR WINDOW DEFOGGER SWITCH
DEF-25
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT
1. Select “REAR DEFOGGER” of “BCM”.
2. Select “REAR DEF SW” in “Data Monitor”.
3. Check “REAR DEF SW” indication under the following conditions.
Is the inspection result normal?
YES
>> Rear window defogger switch is OK.
NO
>> Replace A/C switch. Refer to
HAC-102, "Removal and Installation"
.
Monitor item
Condition
Status
REAR DEF SW
Rear window defogger switch
Pressed
On
Not Pressed
Off
DEF-26
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
Description
INFOID:0000000011277733
Power is supplied to the rear window defogger with BCM control.
Component Function Check
INFOID:0000000011277734
1.
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when
turning the rear window defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger relay power supply circuit is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000011277735
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> Rear window defogger power supply circuit is OK.
NO
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and fuse block (J/B).
3. Check continuity between BCM connector and fuse block (J/B) connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
DEF-27, "Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> Replace rear window defogger relay.
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M18
24
Ground
Rear window defogger
switch
ON 0
OFF Battery
voltage
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M18 24
M44
6P
Yes
REAR WINDOW DEFOGGER RELAY
DEF-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Component Inspection
INFOID:0000000011277736
1.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace rear window defogger relay.
Terminal
Condition
Continuity
Rear window
defogger relay
3
5
12V direct current supply between termi-
nals 1 and 2.
Yes
No current supply
No
SEF497Y
DEF-28
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Description
INFOID:0000000011277737
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window
from fogging up.
Component Function Check
INFOID:0000000011277738
1.
CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES
>> Rear window defogger is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000011277739
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform rear window defogger relay diagnosis. Refer to
.
3.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear window defogger connector and ground.
COMPONENT PARTS
AMPERE
FUSE NO.
Fuse block (J/B)
15A
23
15A
24
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
B29
3T, 5T
Ground
Rear window defogger
switch
ON Battery
voltage
OFF 0
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