2014 NISSAN TEANA Service Manual

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Page 745 of 4801

NISSAN TEANA 2014 Service Manual
DEF-20
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
4.CHECK REAR WINDOW DEFOGGER SWITCH INDICATOR CIRCUIT
1. Press rear window defogger switch.
2. Check for voltage between front air contro

Page 746 of 4801

NISSAN TEANA 2014 Service Manual
REAR WINDOW DEFOGGER SWITCHDEF-21
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
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M A
B
DEF
N
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YES >> Replace front air control. Refer to HAC-161, "Removal and Installation".
NO >> Repair or replac

Page 747 of 4801

NISSAN TEANA 2014 Service Manual
DEF-22
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
YES >> GO TO 12.
NO >> Replace rear window defogger relay.
12. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-43,

DEF-22
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
YES >> GO TO 12.
NO >> Replace rear window defogger relay.
12. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Check the following. • Battery power supply circuit.
• Fuse block (J/B).
NO >> Repair or replace the malfunctioning parts.
WITH AUTO A/C
WITH AUTO A/C : DescriptionINFOID:0000000009463034
• The rear window defogger is operated by pres sing the rear window defogger switch ON.
• The indicator lamp in the rear window defogger switch illuminates while the rear window defogger is ON.
WITH AUTO A/C : Component Function CheckINFOID:0000000009463035
1. CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Push ignition switch to ON.
2. Press rear window defogger switch.
3. Check that the indicator lamp of t he rear window defogger switch illuminates.
4. Press rear window defogger switch.
5. Check that the indicator lamp of t he rear window defogger switch extinguishes.
Is the inspection result normal?
YES >> Rear window defogger switch function is OK.
NO >> Refer to DEF-22, "WITH AUTO A/C : Diagnosis Procedure"
.
WITH AUTO A/C : Diagnosis ProcedureINFOID:0000000009463036
Regarding Wiring Diagram information, refer to DEF-11, "Wiring Diagram".
1.CHECK REAR WINDOW DEFOGGER RELAY OPERATION
1. Push the ignition switch to ON.
2. Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard
when pressing the rear window defogger switch ON and OFF.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 5.
2.CHECK FUSE
Check if Fuse 22 from the rear window defogger relay output is blown.
Is the fuse blown?
YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 3.
3. CHECK FOR VOLTAGE FROM THE REAR WINDOW DEFOGGER RELAY
1. Connect a voltmeter between Fuse block (J/B) and ground.
2. While pressing the rear window defogger switch ON and OFF, check for voltage between Fuse block (J/B) and ground.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 748 of 4801

NISSAN TEANA 2014 Service Manual
REAR WINDOW DEFOGGER SWITCHDEF-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 >> Perform rear window defogger relay diagnosis. R

Page 749 of 4801

NISSAN TEANA 2014 Service Manual
DEF-24
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-

Page 750 of 4801

NISSAN TEANA 2014 Service Manual
REAR WINDOW DEFOGGER SWITCHDEF-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 >> Perform rear window defogger relay component inspection. Refer

Page 751 of 4801

NISSAN TEANA 2014 Service Manual
DEF-26
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
DescriptionINFOID:0000000009463037
Power is supplied to the rear window defogger with BCM control.
Component Fun

Page 752 of 4801

NISSAN TEANA 2014 Service Manual
REAR WINDOW DEFOGGER RELAYDEF-27
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
DEF
N
O P
Component InspectionINFOID:0000000009463040
1. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogg

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