Nissan March K13. Manual — part 70
DEF-18
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
Component Function Check
INFOID:0000000006067629
1.
CHECK FUNCTION
1.
Turn ignition switch ON.
2.
Check that an operation noise of rear window defogger relay can be heard when turning the rear window
defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger relay function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006067630
1.
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF and disconnect rear window defogger relay connector.
2.
Turn ignition switch ON.
3.
Check voltage between rear window defogger relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse (No.3).
Is the inspection result normal?
YES
>> Check ignition power supply circuit. Refer to
PG-19, "Wiring Diagram - IGNITION POWER SUP-
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.
CHECK REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and rear window defogger relay harness connector.
4.
Check continuity between BCM harness connector and ground.
*1:With intelligent key
*2:Without intelligent key
Is the inspection result normal?
(+)
(
−
)
Voltage
Rear window defogger relay
Connector
Terminal
M91
1
Ground
Battery voltage
BCM
Rear window defogger relay
Continuity
Connector
Terminal
Connector
Terminal
M68
*1
M67
*2
1
*1
64
*2
M91
2
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
*1
M67
*2
1
*1
64
*2
Not existed
REAR WINDOW DEFOGGER RELAY
DEF-19
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER RELAY
DEF-19, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
(with intelligent key) or
(without intelligent key).
NO
>> Replace rear window defogger relay.
Component Inspection
INFOID:0000000006069111
Check continuity between terminal 3 and 5.
Terminal
Condition
Continuity
3 and 5
12 V direct current supply between terminal 1
and 2
Existed
No current supply
Not existed
PBIB0098E
DEF-20
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER
Component Function Check
INFOID:0000000006067632
1.
CHECK FUNCTION
1.
Perform BCM Active Test (“REAR DEFOGGER”) using CONSULT-III.
2.
Touch “ON”.
3.
Check that the rear window heating wire is getting warmer.
Is the inspection result normal?
YES
>> Rear window defogger function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006067633
1.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT-I
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger connector.
3.
Turn ignition switch ON.
4.
Check voltage between rear window defogger harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF and disconnect rear window defogger relay connector.
2.
Check voltage between rear window defogger relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK FUSE
Check 20A fuse (No.10).
Is the inspection result normal?
YES
>> Check battery power supply circuit. Refer to
PG-10, "Wiring Diagram - BATTERY POWER SUP-
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
4.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT-II
1.
Check continuity between rear window defogger relay harness connector and rear window defogger har-
ness connector.
(+)
(
−
)
Condition
Voltage (V)
(Approx.)
Rear window defogger
Connector
Terminal
B103
1
Ground
Rear window defogger switch
ON
Battery voltage
OFF
0
(+)
(
−
)
Voltage
Rear window defogger relay
Connector
Terminal
M91
3
Ground
Battery voltage
REAR WINDOW DEFOGGER
DEF-21
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
2.
Disconnect A/C auto amp. (with auto A/C) or A/C control (with manual A/C) connector.
3.
Check continuity between rear window defogger relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
5.
CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear window defogger harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK FILAMENT
DEF-26, "Inspection and Repair"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair filament.
7.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
>> INSPECTION END
Rear window deffoger relay
Rear window deffoger
Continuity
Connector
Terminal
Connector
Terminal
M91
5
B103
1
Existed
Rear window deffoger relay
Ground
Continuity
Connector
Terminal
M91
5
Not existed
Rear window defogger
Ground
Continuity
Connector
Terminal
B104
2
Existed
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