Nissan Maxima. Instruction — part 317

REAR WINDOW DEFOGGER

DEF-53

< WIRING DIAGRAM >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

ABLIA5263GB

DEF-54

< WIRING DIAGRAM >

REAR WINDOW DEFOGGER

ABLIA5260GB

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPER-

ATE.

DEF-55

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

SYMPTOM DIAGNOSIS

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT
OPERATE.

Diagnosis Procedure

INFOID:0000000010045605

Regarding Wiring Diagram information, refer to

DEF-46, "Wiring Diagram"

.

1.

CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.

Refer to

DEF-10, "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-12, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK FUSES

Check if any of the following fuses in fuse block (J/B) are blown.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

4.

CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect fuse block (J/B).

3. Turn ignition switch ON.

4. Check voltage between fuse block (J/B) connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace fuse block (J/B).

5.

CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit.

Refer to

DEF-14, "Component Function Check"

.

Is the inspection result normal?

COMPONENT PARTS

AMPERE

FUSE NO.

Fuse block (J/B)

20A

14

20A

15

Terminals

Condition of rear window de-

fogger switch

Voltage (V)

(Approx.)

(+)

(–)

Fuse block (J/B) connector

Terminal

B4

10T, 11T

Ground

ON Battery

voltage

OFF

0

DEF-56

< SYMPTOM DIAGNOSIS >

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPER-

ATE.

YES

>> GO TO 6

NO

>> Repair or replace the malfunctioning parts.

6.

CHECK DOOR MIRROR DEFOGGER

Check door mirror defogger.

Refer to

DEF-58, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace the malfunctioning parts.