Nissan Sentra. Manual - part 218

PASSENGER SIDE DOOR MIRROR DEFOGGER

DEF-37

< DTC/CIRCUIT DIAGNOSIS >

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PASSENGER SIDE DOOR MIRROR DEFOGGER

Description

INFOID:0000000009759111

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:0000000009759112

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-37, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009759113

Regarding Wiring Diagram information, refer to 

DEF-20, "Wiring Diagram"

.

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-38, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Door mirror RH

 Connector

Terminal 

D106

3

Ground

Rear window de-

fogger switch 

ON Battery 

voltage

OFF 0

Door mirror RH

Ground

Continuity

Connector

Terminal

D106

9

Yes

DEF-38

< DTC/CIRCUIT DIAGNOSIS >

PASSENGER SIDE DOOR MIRROR DEFOGGER

NO

>> Replace door mirror RH. Refer to 

MIR-18, "DOOR MIRROR ASSEMBLY : Removal and Installa-

tion"

.

4.

 CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-39, "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:0000000009759114

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-18, "DOOR MIRROR ASSEMBLY : Removal and Installa-

tion"

.

Terminal Continuity 

3

9

Yes

REAR WINDOW DEFOGGER FEEDBACK SIGNAL

DEF-39

< DTC/CIRCUIT DIAGNOSIS >

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REAR WINDOW DEFOGGER FEEDBACK SIGNAL

Description

INFOID:0000000009759115

Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.

Component Function Check

INFOID:0000000009759116

1.

CHECK REAR WINDOW DEFOGGER FEEDBACK SIGNAL

Check that the indicator lamp of rear window defogger switch is illuminated when turning the rear window

defogger switch ON.
Is the inspection result normal?

OK

>> Rear window defogger feedback signal is OK.

NG

>> Refer to 

DEF-39, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009759117

1.

CHECK REAR WINDOW DEFOGGER FEEDBACK SIGNAL

1. Turn ignition switch ON.

2. Turn rear window defogger switch ON.

3. Check voltage between A/C auto amp. harness connector and ground.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-105, "Removal and Installation"

 (with auto A/C) or 

HAC-

189, "Removal and Installation"

 (without auto A/C).

NO

>> Repair or replace harness.

A/C auto amp.

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

M29 (without A/C)

25

Rear window defogger switch

ON

Battery voltage

M33 (with manual A/C)

OFF

 0

M34 (with auto A/C)

DEF-40

< SYMPTOM DIAGNOSIS >

DEFOGGER SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

DEFOGGER SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009759118

*: if equipped

Symptom

Reference page

Rear window defogger and door mirror defoggers* do not operate.

Refer to 

DEF-41, "Diagnosis Procedure"

.

Rear window defogger does not operate but both door mirror defoggers* operate.

Refer to 

DEF-42, "Diagnosis Procedure"

.

Both door mirror defoggers* don’t operate but rear window defogger operates.

Refer to 

DEF-43, "Diagnosis Procedure"

.

Driver side door mirror defogger* does not operate.

Refer to 

DEF-44, "Diagnosis Procedure"

.

Passenger side door mirror defogger* does not operate.

Refer to 

DEF-45, "Diagnosis Procedure"

.

Rear window defogger switch does not light, but rear window defogger operates.

Refer to 

DEF-46, "Diagnosis Procedure"

.