Nissan Versa Note. Instruction — part 175
REAR WINDOW DEFOGGER RELAY
DEF-23
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER RELAY
DEF-23, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-70, "Removal and Installation"
(with Intelligent Key) or
(without Intelligent Key).
NO
>> Replace rear window defogger relay.
Component Inspection
INFOID:0000000009541096
Check continuity between terminal 3 and 5, 6 and 7.
BCM
Ground
Continuity
Connector
Terminal
M19 (without Intelligent Key system)
44
No
M97 (with Intelligent Key system)
1
Terminal
Condition
Continuity
3 and 5, 6
and 7
12 V direct current supply between terminal 1
and 2
Yes
No current supply
No
SEF745U
DEF-24
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Description
INFOID:0000000009541097
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:0000000009541098
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:0000000009541099
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 rear window defogger relay connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the following:
• Rear window defogger relay.
• Battery power supply circuit.
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)
20A
9
20A
11
Terminals
Condition of rear
window defogger
switch
Voltage (V)
(Approx.)
(+)
(–)
Rear window
defogger relay
connector
Terminal
M14
3, 6
Ground
ON Battery
voltage
OFF
0
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DEF-25
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Check continuity between rear window defogger connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
5.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear window defogger relay connector and condenser connector.
3. Check continuity between rear window defogger relay connector and condenser connector.
Is the inspection result normal?
YES
>> Replace condenser. Refer to
DEF-38, "Removal and Installation"
.
NO
>> Replace or repair harness.
6.
CHECK FILAMENT
Check filament.
DEF-25, "Component Inspection"
.
Is the inspection result normal?
YES
>> Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair filament. Refer to
DEF-36, "Inspection and Repair"
.
Component Inspection
INFOID:0000000009541100
1.
CHECK FILAMENT
Check the filament for damage or open circuits.
DEF-36, "Inspection and Repair"
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair filament. Refer to
DEF-36, "Inspection and Repair"
.
Terminals
Condition of rear
window
defogger switch
Voltage (V)
(Approx.)
(+)
(–)
Rear window
defogger
connector
Terminal
B50
1
Ground
ON
Battery voltage
OFF
0
Rear window defogger connector
Terminal
Ground
Continuity
B51
2
Yes
Rear window
defogger relay
connector
Terminal
Condenser connector
Terminal
Continuity
M14
3, 6
B42
1
Yes
DEF-26
< DTC/CIRCUIT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
DRIVER SIDE DOOR MIRROR DEFOGGER
Description
INFOID:0000000009541101
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:0000000009541102
1.
CHECK DOOR MIRROR DEFOGGER LH
Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES
>> Door mirror defogger is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009541103
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH.
DEF-27, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace door mirror. Refer to
MIR-15, "Removal and Installation"
.
Terminals
Condition of
rear window
defogger
switch
Voltage (V)
(Approx.)
(+)
(–)
Door mirror LH
connector
Terminal
D4
5
Ground
ON
Battery voltage
OFF
0
Door mirror LH connector
Terminal
Ground
Continuity
D4
4
Yes
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