Nissan Qashqai J11. Manual — part 1813
FRONT WINDOW DEFOGGER RELAY
DEF-35
< 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
>> Replace A/C control.
NO
>> Repair or replace harness.
6.
CHECK FRONT WINDOW DEFOGGER RELAY CIRCUIT 4
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between front window defogger relay harness connector and IPDM E/R harness connec-
tor.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-67, "Removal and Installation"
.
NO
>> Repair or replace harness.
Component Inspection
INFOID:0000000010505209
1.
CHECK FRONT WINDOW DEFOGGER RELAY
1.
Turn ignition switch OFF.
2.
Disconnect front window defogger relay.
3.
Check continuity between front window defogger relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front window defogger relay.
Front window defogger relay
A/C control
Continuity
Connector
Terminal
Connector
Terminal
LH
E49
3
M6
7
Existed
RH
E48
6
Front window defogger relay
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
LH
E49
3
F90
101
Existed
RH
E48
Terminal
Condition
Continuity
Front window
defogger relay
12 V direct current supply between terminals
and
.
Existed
No current supply
Not existed
DEF-36
< DTC/CIRCUIT DIAGNOSIS >
FRONT WINDOW DEFOGGER
FRONT WINDOW DEFOGGER
Diagnosis Procedure
INFOID:0000000010434135
1.
CHECK FRONT WINDOW DEFOGGER POWER SUPPLY CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect front window defogger connector.
3.
Turn ignition switch ON.
4.
Check voltage between front window defogger harness connector and ground.
Is the inspection result normal?
YES
>> Replace windshield glass.
NO
>> GO TO 2.
2.
CHECK FRONT WINDOW DEFOGGER POWER SUPPLY CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Remove front window defogger relay.
3.
Check continuity between front window defogger harness connector and front window defogger relay har-
ness connector.
LH
RH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-41, "Intermittent Incident"
>> INSPECTION END
(+)
(–)
Condition
Voltage (V)
(Approx.)
Front window defogger
Connector
Terminal
LH
E45
1
Ground
Front window defogger
switch
ON
Battery voltage
RH
E44
OFF
0
Front window defogger
Front window defogger relay
Continuity
Connector
Terminal
Connector
Terminal
E45
1
E49
2
Existed
Front window defogger
Front window defogger relay
Continuity
Connector
Terminal
Connector
Terminal
E44
1
E48
2
Existed
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGERS DO NOT OP-
ERATE.
DEF-37
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
SYMPTOM DIAGNOSIS
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGERS DO NOT
OPERATE.
Diagnosis Procedure
INFOID:0000000010434137
1.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to
DEF-23, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to
DEF-25, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK DOOR MIRROR DEFOGGER
Check door mirror defogger.
Refer to
DEF-29, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 1.
DEF-38
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR MIRROR
DEFOGGERS OPERATE
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR
MIRROR DEFOGGERS OPERATE
Diagnosis Procedure
INFOID:0000000010434138
1.
CHECK REAR WINDOW DEFOGGER
Check rear window defogger.
Refer to
DEF-27, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 1.
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