Nissan Qashqai (2007-2010). Manual — part 1459
![](/vehicle/qul/ene/lirlel/xid.png)
DEF-12
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (IPDM E/R)
MOTOR FAN
1
OFF
2
Operates the cooling fan relay (low operation).
3
Operates the cooling fan relay (high operation).
4
HEAD LAMP WASHER
On
Operates the headlamp washer relay for 1 second.
EXTERNAL LAMPS
Off
OFF
TAIL
Operates the tail lamp relay.
Lo
Operates the headlamp low relay.
Hi
Operates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.
Fog
Operates the front fog lamp relay.
HORN
On
Operates horn relay for 20 ms.
Test item
Operation
Description
![](/vehicle/qul/ene/lirlel/ingsetothind.png)
REAR WINDOW DEFOGGER SWITCH
DEF-13
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
COMPONENT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
WITH AUTO A/C
WITH AUTO A/C : Description
INFOID:0000000000951265
The rear window defogger is operated by turning the rear window defogger switch ON.
WITH AUTO A/C : Component Function Check
INFOID:0000000000951266
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode with CONSULT-III. Refer to
WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)"
.
OK or NG
OK
>> Rear window defogger switch is OK.
NG
>> Refer to
DEF-13, "WITH AUTO A/C : Diagnosis Procedure"
WITH AUTO A/C : Diagnosis Procedure
INFOID:0000000000951267
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
1.
Turn ignition switch ON.
2.
Check voltage between BCM connector ground.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and auto amp. connector.
3.
Check continuity between BCM connector and auto amp. connector.
4.
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
When rear defogger switch is turned to ON
REAR DEF SW
:ON
Connector
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
M65
21
Ground
Rear window defogger switch is pressed.
0
Rear window defogger switch is OFF.
JPMIA0154GB
BCM connector
Terminal
Auto amp. connector
Terminal
Continuity
M65
21
M53
23
Yes
BCM connector
Terminal
Ground
Continuity
M65
21
No
![](/vehicle/qul/ene/lirlel/mike.png)
DEF-14
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
NO
>> Repair or replace harness between BCM and auto amp.
3.
CHECK REAR WINDOW DEFOGGER SWITCH GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect auto amp,connector.
3.
Check continuity between auto amp. connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness between auto amp.and ground.
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 6.
5.
CHECK IINTERMITTENT INCDENT
Check intermittent incident.
Refer to
GI-39, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace auto amp. Refer to
VTL-21, "Removal and Installation"
NO
>> Repair or replace the malfunctioning parts.
6.
CHECK IINTERMITTENT INCDENT
Check intermittent incident.
Refer to
GI-39, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace BCM. Refer to
NO
>> Repair or replace the malfunctioning parts.
WITHOUT AUTO A/C
WITHOUT AUTO A/C : Description
INFOID:0000000000978700
The rear window defogger is operated by turning the rear window defogger switch ON.
WITHOUT AUTO A/C : Component Function Check
INFOID:0000000000978756
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode with CONSULT-III. Refer to
WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)"
.
Auto amp. connector
Terminal
Ground
Continuity
M53
17
Existed
Connector
Terminal
Voltage (V)
(Approx.)
(+)
(–)
M65
21
Ground
JPMIA0154GB
![](/vehicle/qul/ene/lirlel/endeta.png)
REAR WINDOW DEFOGGER SWITCH
DEF-15
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
OK or NG
OK
>> Rear window defogger switch is OK.
NG
>> Refer to
DEF-13, "WITH AUTO A/C : Diagnosis Procedure"
WITHOUT AUTO A/C : Diagnosis Procedure
INFOID:0000000000978757
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
1.
Turn ignition switch ON.
2.
Check voltage between BCM connector ground.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and heater control panel connector.
3.
Check continuity between BCM connector and heater control panel connector.
4.
Check continuity between BCM connector and ground
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and heater control panel.
3.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to
DEF-16, "WITHOUT AUTO A/C : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace heater control panel (rear window defogger switch). Refer to
4.
CHECK REAR WINDOW DEFOGGER SWITCH GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect heater control panel connector.
3.
Check continuity between heater control panel connector and ground.
When rear defogger switch is turned to ON
REAR DEF SW
:ON
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M65
21
Ground
Rear window defogger switch is pressed.
0
Rear window defogger switch is OFF.
JPMIA0154GB
BCM connector
Terminal
Heater control
panel connector
Terminal
Continuity
M65
21
M54
18
Yes
BCM connector
Terminal
Ground
Continuity
M65
21
No
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