2014 NISSAN TEANA ignition

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

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. Refer to DEF-26, "Diagnosis Procedure"
.
4.CHECK REAR WINDOW DEFOGGER SWITCH INDICATOR CIRCUIT
1. Press rear window defogger switch.
2. Check for voltage between A/C auto amp. connector and ground.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Repair or replace harness.
5.CHECK A/C AUTO AMP. (REAR WI NDOW DEFOGGER SWITCH) FUNCTION
1. Check (“REAR DEF SW”) in BCM - REAR DEFOGG ER “DATA MONITOR” mode by using CONSULT.
2. Operate rear window defogger switch and check the status on CONSULT screen.
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 6.
6. CHECK REAR WINDOW DEFOGGER ON SIGNAL CIRCUIT
Check voltage between BCM connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-80, "Removal and Installation".
NO >> GO TO 7.
7. CHECK HARNESS CONTINUITY
1. Push ignition switch to OFF.
2. Disconnect BCM and front air control.
3. Check continuity between BCM connector and A/C auto amp.
(+)
(–) Condition Voltage (V)
(Approx.)
Fuse block (J/B)
Connector Terminal
M5 4P Ground Rear window de-
fogger switch ON Battery voltage
OFF 0
(+) (–) Condition Voltage (V)
(Approx.)
A/C auto amp.
Connector Terminal
M152 35 Ground Rear window de-
fogger switch ON Battery voltage
OFF 0
Monitor Item Condition status
REAR DEF SW Rear window defogger
switch Pressed On
Released Off
(+) (–) Condition Voltage (V)
(Approx.)
BCM
Connector Terminal
M17 32 Ground Rear window de-
fogger switch ON 0
OFF 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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-102, "Removal and Installation".
NO >> Repair or replace harness.
8. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
CONSULT
1. Select BCM (REAR DE FOGGER) ACTIVE TEST.
2. Turn REAR DEFOGGER active test ON and OFF.
3. Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES >> GO TO 11.
NO >> GO TO 9.
9. CHECK REAR WINDOW DEFOGGER RELAY CIRCUIT
Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES >> Replace rear window defogger relay.
NO >> GO TO 10.
10. CHECK HARNESS CONTINUITY
1. Push ignition switch to OFF.
2. Disconnect BCM and fuse block (J/B).
3. Check continuity between BCM connec tor and fuse block (J/B) connector.
4. Check continuity between fuse block (J/B) connector M5 terminal 6P and ground.
BCM A/C auto amp. Continuity
Connector Terminal Connector Terminal
M17 32 M152 15 Yes
BCM GroundContinuity
Connector Terminal
M17 32 No
(+) (–) Condition Voltage (V)
(Approx.)
Fuse block (J/B)
Connector Terminal
M5 6P Ground Rear window de-
fogger active test ON 0
OFF Battery voltage
(+) (–) Condition Voltage (V)
(Approx.)
Fuse block (J/B)
Connector Terminal
M5 6P Ground Rear window de-
fogger switch ON 0
OFF Battery voltage
BCM Fuse block (J/B) Continuity
Connector Terminal Connector Terminal
M18 61 M5 6P Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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 Function CheckINFOID:0000000009463038
1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when
turning the rear window defogger switch ON.
Is the inspection result normal?
YES >> Rear window defogger relay power supply circuit is OK.
NO >> Refer to DEF-26, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009463039
Regarding Wiring Diagram information, refer to DEF-11, "Wiring Diagram".
1. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES >> Rear window defogger power supply circuit is OK.
NO >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and fuse block (J/B).
3. Check continuity between BCM connec tor and fuse block (J/B) connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to DEF-27, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident"
NO >> Replace rear window defogger relay.
(+)
(–) Condition Voltage (V)
(Approx.)
BCM
Connector Terminal
M18 61 Ground Rear window de-
fogger switch ON 0
OFF Battery voltage
BCM Fuse block (J/B) Continuity
Connector Terminal Connector Terminal
M18 61 M5 6P Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DEF-28
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DescriptionINFOID:0000000009463041
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window
from fogging up.
Component Function CheckINFOID:0000000009463042
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES >> Rear window defogger is OK.
NO >> Refer to DEF-28, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009463043
Regarding Wiring Diagram information, refer to DEF-11, "Wiring Diagram".
1. CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Perform rear window defogger diagnosis. Refer to DEF-26, "Diagnosis Procedure"
.
3. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear window defogger connector and ground.
COMPONENT PARTS AMPERE FUSE NO.
Fuse block (J/B) 15A 23
15A 24
(+) (–) Condition Voltage (V)
(Approx.)
Fuse block (J/B)
Connector Terminal
B13 3T, 5T Ground Rear window de-
fogger switch ON Battery voltage
OFF 0
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DEF-29
< 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 >> GO TO 5.
4. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Check continuity between rear window defogger connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
5. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B).
3. Check continuity between fuse blo ck (J/B) connector and condenser connector.
Is the inspection result normal?
YES >> Replace condenser. Refer to DEF-43, "Removal and Installation".
NO >> Replace or repair harness.
6. CHECK FILAMENT
Check filament.
Refer to DEF-29, "Component Inspection"
.
Is the inspection result normal?
YES >> Refer to GI-43, "Intermittent Incident".
NO >> Repair filament. Refer to DEF-41, "Inspection and Repair"
.
Component InspectionINFOID:0000000009463044
1. CHECK FILAMENT
Check the filament for damage or open circuits.
Refer to DEF-41, "Inspection and Repair"
.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair filament. Refer to DEF-41, "Inspection and Repair"
.
(+)
(–) Condition Voltage (V)
(Approx.)
Rear window defogger
Connector Terminal
B53 1 Ground Rear window de-
fogger switch ON Battery voltage
OFF 0
Rear window defogger GroundContinuity
Connector Terminal
B54 2 Yes
Fuse block (J/B) Condenser Continuity
Connector Terminal Connector Terminal
B13 3T
B52 1 Yes
5T
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DEF-30
< DTC/CIRCUIT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
DRIVER SIDE DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000009463045
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function CheckINFOID:0000000009463046
1. CHECK DOOR MIRROR DEFOGGER LH
Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES >> Door mirror defogger is OK.
NO >> Refer to DEF-30, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009463047
Regarding Wiring Diagram information, refer to DEF-11, "Wiring Diagram".
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH.
Refer to DEF-31, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace door mirror. Refer to MIR-20, "Removal and Installation"
.
(+)
(–) Condition Voltage (V)
(Approx.)
Door mirror LH
Connector Terminal
D4 1 Ground Rear window de-
fogger switch ON Battery voltage
OFF 0
Door mirror LH GroundContinuity
Connector Terminal
D4 5 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-31
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
DEF
N
O P
4. 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.
Component InspectionINFOID:0000000009463048
1. CHECK DOOR MIRROR DEFOGGER LH
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Check continuity between door mirror terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace door mirror LH. Refer to MIR-20, "Removal and Installation"
.
Terminal Continuity
15 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM