Nissan Altima L32. Instruction — part 207

DRIVER SIDE DOOR MIRROR DEFOGGER

DEF-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

DRIVER SIDE DOOR MIRROR DEFOGGER

Description

INFOID:0000000004205802

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror

from fogging up.

Component Function Check

INFOID:0000000004205803

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-15, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004205804

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-16, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace door mirror. Refer to

MIR-19, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Terminals

Condition of
rear window

defogger

switch

Voltage (V)

(Approx.)

(+)

(–)

Door mirror LH

connector

Terminal

D4

1

Ground

ON

Battery voltage

OFF

0

ALLIA0181ZZ

Door mirror LH connector

Terminal

Ground

Continuity

D4

2

Yes

ALLIA0184ZZ

DEF-16

< COMPONENT DIAGNOSIS >

DRIVER SIDE DOOR MIRROR DEFOGGER

Refer to

GI-42, "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 Inspection

INFOID:0000000004205805

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-19, "Removal and

Installation"

.

Terminal Continuity

1

2

Yes

ALLIA0185ZZ

PASSENGER SIDE DOOR MIRROR DEFOGGER

DEF-17

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

PASSENGER SIDE DOOR MIRROR DEFOGGER

Description

INFOID:0000000004205806

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror

from fogging up.

Component Function Check

INFOID:0000000004205807

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-17, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004205808

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-18, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace door mirror RH. Refer to

MIR-19, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Terminals

Condition of rear

window defogger

switch

Voltage (V)

(Approx.)

(+)

(–)

Door mirror RH

connector

Terminal

D107

1

Ground

ON

Battery voltage

OFF

0

ALLIA0181ZZ

Door mirror RH connector

Terminal

Ground

Continuity

D107

2

Yes

ALLIA0184ZZ

DEF-18

< COMPONENT DIAGNOSIS >

PASSENGER SIDE DOOR MIRROR DEFOGGER

Refer to

GI-42, "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 Inspection

INFOID:0000000004205809

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

MIR-19, "Removal

and Installation"

.

Terminal Continuity

1

2

Yes

ALLIA0185ZZ