Page 565 of 5883
DEF-14
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DescriptionINFOID:0000000001697555
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:0000000001697556
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-14, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001697557
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear window defogger connector and
ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> GO TO 3
2. 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 5
NO >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY 1
Te r m i n a l s
Condition of rear
window
defogger switchVoltage (V)
(Approx.) (+)
(–) Rear window
defogger
connectorTe r m i n a l
B53 1 GroundON Battery voltage
OFF 0
ALLIA0177ZZ
Rear window defogger connector Terminal
GroundContinuity
B54 2 Yes
ALLIA0178ZZ
Page 566 of 5883
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DEF-15
< COMPONENT DIAGNOSIS >
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B
DEF
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1. Turn ignition switch OFF.
2. Disconnect condenser and rear window defogger.
3. Check continuity between condenser connector (A) and rear
window defogger connector (B).
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace condenser. Refer to DEF-38, "
Removal and
Installation".
4. CHECK HARNESS CONTINUITY 2
1. Disconnect fuse block (J/B).
2. Check continuity between fuse block (J/B) connector (A) and
condenser connector (B).
Is the inspection result normal?
YES >> GO TO 6
NO >> Replace or repair harness.
5. CHECK FILAMENT
Check filament.
Refer to DEF-15, "
Component Inspection".
Is the inspection result normal?
YES >> Refer to XX-XX, "*****".
NO >> Repair filament. Refer to DEF-36, "
Inspection and Repair".
6. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to XX-XX, "*****"
.
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:0000000001697558
1. CHECK FILAMENT
Check the filament for damage or open circuits.
Refer to DEF-36, "
Inspection and Repair".
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair filament. Refer to DEF-36, "
Inspection and Repair".
Condenser
connectorTe r m i n a lRear window defogger
connectorTerminal Continuity
B52 (A) 1 B53 (B) 1 Yes
ALLIA0179ZZ
Fuse block (J/B)
connectorTe r m i n a lCondenser
connectorTerminal Continuity
B4 (A)10T
B52 (B) 1 Yes
11T
ALLIA0180ZZ
Page 567 of 5883
DEF-16
< COMPONENT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
DRIVER SIDE DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000001697559
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:0000000001697560
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-16, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001697561
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-17, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace door mirror. Refer to XX-XX, "*****"
.
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Te r m i n a l s
Condition of
rear window
defogger
switchVoltage (V)
(Approx.) (+)
(–)
Door mirror LH
connectorTe r m i n a l
D4 1 GroundON Battery voltage
OFF 0
ALLIA0181ZZ
Door mirror LH connector Terminal
GroundContinuity
D4 2 Yes
ALLIA0184ZZ
Page 568 of 5883
DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-17
< COMPONENT DIAGNOSIS >
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B
DEF
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Refer to XX-XX, "*****".
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:0000000001697562
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 XX-XX, "*****"
.
Terminal Continuity
12 Yes
ALLIA0185ZZ
Page 569 of 5883
DEF-18
< COMPONENT DIAGNOSIS >
PASSENGER SIDE DOOR MIRROR DEFOGGER
PASSENGER SIDE DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000001697563
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:0000000001697564
1.CHECK DOOR MIRROR DEFOGGER RH
Check that the heating wire of door mirror defogger RH is heated when turning the rear window defogger
switch ON.
Is the inspection result normal?
YES >> Door mirror defogger RH is OK.
NO >> Refer to DEF-18, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001697565
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror RH.
3. Turn ignition switch ON.
4. Check voltage between door mirror RH 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 RH connector and
ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
Check door mirror defogger RH.
Refer to DEF-19, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace door mirror RH. Refer to XX-XX, "*****"
.
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Te r m i n a l s
Condition of rear
window defogger
switchVoltage (V)
(Approx.) (+)
(–)
Door mirror RH
connectorTe r m i n a l
D107 1 GroundON Battery voltage
OFF 0
ALLIA0181ZZ
Door mirror RH connector Terminal
GroundContinuity
D107 2 Yes
ALLIA0184ZZ
Page 570 of 5883
PASSENGER SIDE DOOR MIRROR DEFOGGER
DEF-19
< COMPONENT DIAGNOSIS >
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B
DEF
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Refer to XX-XX, "*****".
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:0000000001697566
1. CHECK DOOR MIRROR DEFOGGER RH
1. Turn ignition switch OFF.
2. Disconnect door mirror RH.
3. Check continuity between door mirror terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace door mirror RH. Refer to XX-XX, "*****"
.
Terminal Continuity
12 Yes
ALLIA0185ZZ
Page 582 of 5883
BOTH DOORS MIRROR DEFOGGER DON’T OPERATE BUT REAR WINDOW
DEFOGGER OPERATES
DEF-31
< SYMPTOM DIAGNOSIS >
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B
DEF
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BOTH DOORS MIRROR DEFOGGER DON’T OPERATE BUT REAR WIN-
DOW DEFOGGER OPERATES
Diagnosis ProcedureINFOID:0000000001697571
1. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> Check the following.
Battery power supply circuit.
Fuse block (J/B).
NO >> Repair or replace the malfunctioning parts.
Page 648 of 5883
![NISSAN TIIDA 2007 Service Repair Manual POWER SUPPLY AND GROUND CIRCUIT
DLK-59
< COMPONENT DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNI](/manual-img/5/57395/w960_57395-647.png "NISSAN TIIDA 2007 Service Repair Manual POWER SUPPLY AND GROUND CIRCUIT
DLK-59
< COMPONENT DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNI")
POWER SUPPLY AND GROUND CIRCUIT
DLK-59
< COMPONENT DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis ProcedureINFOID:0000000001396518
1.CHECK FUSE AND FUSIBLE LINK
Check that the following fuse is not blown.
Is the fuse blown?
YES >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector
M52 terminals 6, 10, 11 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Terminal No. Signal name Fuse No.
11 Battery power supply 31 (10A)
10 Ignition power supply (ACC/ON) 6 (10A)
6 Ignition power supply (ON/START) 2 (10A)
ALKIA0736ZZ
Terminal Ignition switch position
(+) (−)
OFF ON Intelligent Key unit
Ground Connector Terminal
M5211 Battery voltage Battery voltage
10 0V Battery voltage
6 0V Battery voltage
