Nissan March K13. Manual — part 71

DEF-22

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER ON SIGNAL

REAR WINDOW DEFOGGER ON SIGNAL

WITH AUTO A/C

WITH AUTO A/C : Description

INFOID:0000000006067644

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

WITH AUTO A/C : Component Function Check

INFOID:0000000006067645

1.

CHECK REAR WINDOW DEFOGGER ON SIGNAL

Check that the indicator lamps of rear window defogger switch are illuminated when turning the rear window
defogger switch ON.

Is the inspection result normal?

OK

>> Rear window defogger ON signal is OK.

NG

>> Refer to

DEF-22, "WITH AUTO A/C : Diagnosis Procedure"

.

WITH AUTO A/C : Diagnosis Procedure

INFOID:0000000006067646

1.

CHECK REAR WINDOW DEFOGGER INDICATOR LAMPS ON SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between A/C auto amp. connector ground.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-75, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK REAR WINDOW DEFOGGER INDICATOR LAMPS ON SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector and rear window defogger relay connector.

3.

Check continuity between A/C auto amp. harness connector and rear window defogger relay harness
connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-33, "Intermittent Incident"

.

>> INSPECTION END

WITHOUT AUTO A/C

WITHOUT AUTO A/C : Description

INFOID:0000000006067647

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

A/C auto amp.

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

M50

7

Rear window defogger switch

ON

Battery voltage

OFF

0

A/C auto amp.

Rear window defogger relay

Continuity

Connector

Terminal

Connector

Terminal

M50

7

M91

5

Existed

REAR WINDOW DEFOGGER ON SIGNAL

DEF-23

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

WITHOUT AUTO A/C : Component Function Check

INFOID:0000000006067648

1.

CHECK REAR WINDOW DEFOGGER ON SIGNAL

Check that the indicator lamps of rear window defogger switch are illuminated when turning the rear window
defogger switch ON.

Is the inspection result normal?

OK

>> Rear window defogger ON signal is OK.

NG

>> Refer to

DEF-23, "WITHOUT AUTO A/C : Diagnosis Procedure"

.

WITHOUT AUTO A/C : Diagnosis Procedure

INFOID:0000000006067649

1.

CHECK REAR WINDOW DEFOGGER INDICATOR LAMPS ON SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between A/C control connector ground.

Is the inspection result normal?

YES

>> Replace A/C control Refer to

HAC-115, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK REAR WINDOW DEFOGGER INDICATOR LAMPS ON SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector and rear window defogger relay connector.

3.

Check continuity between A/C control harness connector and rear window defogger relay harness con-
nector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-33, "Intermittent Incident"

.

>> INSPECTION END

A/C control

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

M53

7

Rear window defogger switch

ON

Battery voltage

OFF

0

A/C control

Rear window defogger relay

Continuity

Connector

Terminal

Connector

Terminal

M53

7

M91

5

Existed

DEF-24

< SYMPTOM DIAGNOSIS >

REAR WINDOW DEFOGGER DOES NOT OPERATE

SYMPTOM DIAGNOSIS

REAR WINDOW DEFOGGER DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000006067650

1.

CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.
• With auto A/C: Refer to

DEF-15, "WITH AUTO A/C : Component Function Check"

.

• Without auto A/C: Refer to

DEF-16, "WITHOUT AUTO A/C : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.
Refer to

DEF-18, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK REAR WINDOW DEFOGGER

Check rear window defogger.
Refer to

DEF-20, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CONFIRM THE OPERATION

Confirm the operation again.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-33, "Intermittent Incident"

.

NO

>> GO TO 1.

ON IS NOT DISPLAYED WHEN PRESSING REAR WINDOW DEFOGGER

SWITCH BUT IT IS OPERATED

DEF-25

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

ON IS NOT DISPLAYED WHEN PRESSING REAR WINDOW DEFOGGER
SWITCH BUT IT IS OPERATED

Diagnosis Procedure

INFOID:0000000006067659

1.

CHECK REAR WINDOW DEFOGGER ON SIGNAL

Check rear window defogger ON signal.
• With auto A/C: Refer to

DEF-22, "WITH AUTO A/C : Component Function Check"

.

• Without auto A/C: Refer to

DEF-23, "WITHOUT AUTO A/C : 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-33, "Intermittent Incident"

.

NO

>> GO TO 1.