2008 NISSAN TEANA Service Manual

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Page 1161 of 5121

NISSAN TEANA 2008 Service Manual POWER SUPPLY AND GROUND CIRCUIT
DEF-11
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000003806035
1.CHECK F

Page 1162 of 5121

NISSAN TEANA 2008 Service Manual DEF-12
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
REAR WINDOW DEFOGGER SWITCH
WITH AV CONTROL UNIT
WITH AV CONTROL UNIT : DescriptionINFOID:0000000003840821
The rear window defogger is oper

DEF-12
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
REAR WINDOW DEFOGGER SWITCH
WITH AV CONTROL UNIT
WITH AV CONTROL UNIT : DescriptionINFOID:0000000003840821
The rear window defogger is operated by turning the rear window defogger switch ON.
The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
WITH AV CONTROL UNIT : Component Function CheckINFOID:0000000003840822
1.CHECK FUNCTION
Check that the indicator lamp of rear window defogger illuminates when rear window defogger switch is ON.
Is the inspection result normal?
YES >> Rear window defogger switch function is OK.
NO >> Refer to DEF-12, "
WITH AV CONTROL UNIT : Diagnosis Procedure"
WITH AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003840823
1.CHECK MULTIFUNCTION SWITCH (REAR WINDOW DEFOGGER SWITCH)
Does multifunction switch operate normally?
Base audio with AV control unit. Refer to AV-15, "
Diagnosis Description".
BOSE audio with navigation system. Refer to AV-419, "
Diagnosis Description".
BOSE audio without navigation system. Refer to AV-200, "
Diagnosis Description".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace the malfunctioning parts.
WITHOUT AV CONTROL UNIT
WITHOUT AV CONTROL UNIT : DescriptionINFOID:0000000003806036
The rear window defogger is operated by turning the rear window defogger switch ON.
The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
WITHOUT AV CONTROL UNIT : Component Function CheckINFOID:0000000003806037
1.CHECK FUNCTION
Check (REAR DEF) in “DATA MONITOR”mode with CONSULT-III when rear window defogger switch is ON.
Is the inspection result normal?
YES >> Rear window defogger switch function is OK.
NO >> Refer to DEF-12, "
WITHOUT AV CONTROL UNIT : Diagnosis Procedure"
WITHOUT AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003806038
1.CHECK A/C CONTROL (REAR WINDOW DEFOGGER SWITCH)
Check A/C control system.
Refer to HAC-6, "
Work Flow".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Turn ignition switch ON.
4. Check voltage between A/C auto amp. harness connector and ground with oscilloscope.

Page 1163 of 5121

NISSAN TEANA 2008 Service Manual REAR WINDOW DEFOGGER SWITCH
DEF-13
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to VTL-23, "Removal and Installation".
N

Page 1164 of 5121

NISSAN TEANA 2008 Service Manual DEF-14
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
DescriptionINFOID:0000000003857611
Power is supplied to the rear window defogger with BCM control.
Component Functi

Page 1165 of 5121

NISSAN TEANA 2008 Service Manual REAR WINDOW DEFOGGER RELAY
DEF-15
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
4.CHECK REAR WINDOW DEFOGGER RELAY
1. Disconnect rear window defogger relay,
2. Check rear window defogger re

Page 1166 of 5121

NISSAN TEANA 2008 Service Manual DEF-16
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER
DescriptionINFOID:0000000003857615
Heats the heating wire with the power supply from the rear window defogger relay to prevent

Page 1167 of 5121

NISSAN TEANA 2008 Service Manual REAR WINDOW DEFOGGER
DEF-17
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
3. Check continuity between condenser (condenser side) connector and rear window defogger harness con-
nector.
4. C

Page 1168 of 5121

NISSAN TEANA 2008 Service Manual DEF-18
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER
Refer to GI-35, "Intermittent Incident"
>> INSPECTION END
Component InspectionINFOID:0000000003857618
1.CHECK FILAMENT
Check the filament for damage

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