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REAR WINDOW DEFOGGER SYSTEM
DEF-7
< FUNCTION DIAGNOSIS >
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WITHOUT AV CONTROL UNIT : Component Parts LocationINFOID:0000000003806031
WITHOUT AV CONTROL UNIT : Component DescriptionINFOID:0000000003806032
1. BCM M118, M119, M122, M123 2. IPDM E/R E11 3. Rear window defogger switch M95
(built-in A/C control)
4. Rear window defogger connector
B1265. Condenser B125 6. Rear window defogger connector
B303
7. A/C auto amp. M50
A. Behind the combination meter B. Engine room dash panel (LH) C. Behind rear pillar finisher (LH)
D. Behind rear pillar finisher (RH) E. Behind cluster lid C
JMLIA0151ZZ
BCM Operates the rear window defogger with the operation of rear window defogger switch
 Performs the timer control of rear window defogger
Rear window defogger relay Operates the rear window defogger and the door mirror defogger with the control signal from
BCM
IPDM E/R  Transmit rear window defogger control signal to ECM via CAN communication
A/C control
(Rear window defogger
switch) The rear window defogger switch is installed
 Turns the indicator lamp ON when detecting the operation of rear window defogger
A/C auto amp. Displays the rear window defogger ON to the display when detecting the operation of rear win-
dow defogger
Rear window defogger Heats the heating wire with the power supply from the rear window defogger relay to prevent
the rear window from fogging up
Door mirror defogger Heats the heating wire with the power supply from the rear window defogger relay to prevent
the door mirror from fogging up

DOOR MIRROR DEFOGGER
DEF-19
< COMPONENT DIAGNOSIS >
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DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000003857619
Power is supplied to the door mirror defogger with BCM control.
Component Function CheckINFOID:0000000003857620
1.CHECK FUNCTION
1. Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2. Touch “ON”.
3. Check that both side door mirror glasses are getting warmer.
Is the inspection result normal?
YES >> Door mirror defogger function is OK.
NO >> Refer to DEF-19, "
Diagnosis Procedure"
Diagnosis ProcedureINFOID:0000000003857621
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse [No.13, located in fuse block (J/B)].
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK POWER SUPPLY CIRCUIT
1. Disconnect door mirror (driver side) connector.
2. Turn ignition switch ON.
3. Check voltage between door mirror (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 3.
3.CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness con-
nector.
4. Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
(+)
(–) Condition Voltage (V)
(Approx.) Door mirror (driver side)
Connector Terminal
D3 3 GroundRear window de-
fogger switchON Battery voltage
OFF 0
Fuse block (J/B) Door mirror (driver side)
Continuity
Connector Terminal Connector Terminal
M3 10C D3 3 Existed
Fuse block (J/B)
GroundContinuity
Connector Terminal
M3 10C Not existed

DEF-20
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK FUSE BLOCK (J/B)
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) (fuse block side) and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace fuse block (J/B).
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
(+)
(–) ConditionVoltage (V)
(Approx.) Fuse block (J/B)
Connector Terminal
M3 10C GroundRear window de-
fogger switchON Battery voltage
OFF 0

DRIVER SIDE DOOR MIRROR DEFOGGER
DEF-21
< COMPONENT DIAGNOSIS >
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DRIVER SIDE DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000003857622
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:0000000003857623
1.CHECK FUNCTION
1. Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2. Touch “ON”.
3. Check that the driver side door mirror glass is getting warmer.
Is the inspection result normal?
YES >> Driver side door mirror defogger function is OK.
NO >> Refer to DEF-21, "
Diagnosis Procedure"
Diagnosis ProcedureINFOID:0000000003857624
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness con-
nector.
4. Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (driver side) harness connector and ground.
(+)
(–) Condition Voltage (V)
(Approx.) Door mirror (driver side)
Connector Terminal
D3 3 GroundRear window de-
fogger switchON Battery voltage
OFF 0
Fuse block (J/B) Door mirror (driver side)
Continuity
Connector Terminal Connector Terminal
M3 10C D3 3 Existed
Fuse block (J/B)
GroundContinuity
Connector Terminal
M3 10C Not existed

DEF-22
< COMPONENT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
Is the inspection result normal?
YES >> Replace door mirror glass (driver side). Refer to MIR-18, "GLASS MIRROR : Disassembly and
Assembly".
NO >> Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-35, "
Intermittent Incident"
Is the inspection result normal?
>> INSPECTION END
Door mirror (driver side)
GroundContinuity
Connector Terminal
D3 11 Existed

PASSENGER SIDE DOOR MIRROR DEFOGGER
DEF-23
< COMPONENT DIAGNOSIS >
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PASSENGER SIDE DOOR MIRROR DEFOGGER
DescriptionINFOID:0000000003857625
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:0000000003857626
1.CHECK FUNCTION
1. Perform Active Test (“REAR DEFOGGER”) with CONSULT-III.
2. Touch “ON”.
3. Check that the passenger side door mirror glass is getting warmer.
Is the inspection result normal?
YES >> Passenger side door mirror defogger function is OK.
NO >> Refer to DEF-23, "
Diagnosis Procedure"
Diagnosis ProcedureINFOID:0000000003857627
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Check continuity between fuse block (J/B) harness connector and door mirror (passenger side) harness
connector.
4. Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) harness connector and ground.
(+)
(–) ConditionVoltage (V)
(Approx.) Door mirror (Passenger side)
Connector Terminal
D43 3 GroundRear window de-
fogger switchON Battery voltage
OFF 0
Fuse block (J/B) Door mirror (passenger side)
Continuity
Connector Terminal Connector Terminal
M3 10C D43 3 Existed
Fuse block (J/B)
GroundContinuity
Connector Terminal
M3 10C Not existed

DEF-24
< COMPONENT DIAGNOSIS >
PASSENGER SIDE DOOR MIRROR DEFOGGER
Is the inspection result normal?
YES >> Replace door mirror glass (passenger side). Refer to MIR-18, "GLASS MIRROR : Disassembly
and Assembly".
NO >> Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-35, "
Intermittent Incident"
>> INSPECTION END
Door mirror (passenger side)
GroundContinuity
Connector Terminal
D43 11 Existed

DEF-58
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPER-
ATE.
SYMPTOM DIAGNOSIS
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT
OPERATE.
Diagnosis ProcedureINFOID:0000000003940018
1.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit.
Refer to DEF-11, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
 With AV control unit: Refer to DEF-12, "
WITH AV CONTROL UNIT : Component Function Check"
 Without AV control unit: Refer to DEF-12, "WITHOUT AV CONTROL UNIT : Component Function Check"
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to DEF-14, "
Component Function Check".
Is the inspection result normal?
YES >> Repair or replace fuse block (J/B).
NO >> Repair or replace the malfunctioning parts.

REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR MIRROR
DEFOGGERS OPERATE.
DEF-59
< SYMPTOM DIAGNOSIS >
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REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH DOOR
MIRROR DEFOGGERS OPERATE.
Diagnosis ProcedureINFOID:0000000003806065
1.CHECK REAR WINDOW DEFOGGER
Check rear window defogger.
Refer to DEF-16, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.

DEF-60
< SYMPTOM DIAGNOSIS >
DOOR MIRROR DEFOGGER DOES NOT OPERATE
DOOR MIRROR DEFOGGER DOES NOT OPERATE
BOTH SIDES
BOTH SIDES : Diagnosis ProcedureINFOID:0000000003806066
1.CHECK DOOR MIRROR DEFOGGER
Check door mirror defogger.
Refer to DEF-19, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
DRIVER SIDE
DRIVER SIDE : Diagnosis ProcedureINFOID:0000000003806067
1.CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
Check driver side door mirror defogger.
Refer to DEF-21, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
PASSENGER SIDE
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000003806068
1.CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER.
Check passenger side door mirror defogger.
Refer to DEF-23, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.