Nissan Frontier D40. Manual - part 202

DEF-12

< COMPONENT DIAGNOSIS >

DOOR MIRROR DEFOGGER LH

DOOR MIRROR DEFOGGER LH

Description

INFOID:0000000005272657

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:0000000005272658

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-12, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005272659

Regarding Wiring Diagram information, refer to 

DEF-27, "Wiring Diagram - Defogger Control System"

.

1.

 CHECK POWER SUPPLY

Check if the following fuse in the IPDM E/R is blown.

Is the inspection result normal?

YES

>> GO TO 2

NO

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

2.

 CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT

Check voltage between IPDM E/R harness connector E120 terminal
23 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

3.

 CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT

COMPONENT PARTS

AMPERE

FUSE NO.

IPDM E/R

15A

43

Connector

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(-)

E120

23

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

LIIA2049E

DOOR MIRROR DEFOGGER LH

DEF-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

1.

Turn ignition switch OFF.

2.

Disconnect door mirror LH.

3.

Turn ignition switch ON.

4.

Check voltage between door mirror LH harness connector D4
terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR MIRROR DEFOGGER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R.

3.

Check continuity between IPDM E/R harness connector E120
(A) terminal 23 and door mirror D4 (B) LH or D107 (B) RH termi-
nal 1.

4.

Check continuity between IPDM E/R harness connector E120 (A) terminal 23 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

 CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT

Check continuity between door mirror LH harness connector D4 ter-
minal 6 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair or replace harness.

6.

 CHECK DOOR MIRROR DEFOGGER LH

Check door mirror defogger LH.
Refer to 

DEF-14, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7

Connector

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(-)

D4

1

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

LIIA2050E

Connector

Terminal

Connector

Terminal

Continuity

A

B

IPDM E/R: E120

23

Door mirror: 

D4 LH

D107 RH

1

Yes

A

Ground

Continuity

Connector

Terminal

IPDM E/R: E120

23

No

LIIA2191E

6 - Ground

: Continuity should exist.

LIIA2037E

DEF-14

< COMPONENT DIAGNOSIS >

DOOR MIRROR DEFOGGER LH

NO

>> Replace door mirror. Refer to 

MIR-13, "Door Mirror Assembly"

.

7.

 CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

GI-46, "Intermittent Incident"

.

Is the inspection result normal?

YES

>>

Check the following.

• Battery power supply circuit
• IPDM E/R

NO

>> Repair or replace the malfunctioning parts.

Component Inspection

INFOID:0000000005272660

1.

 CHECK DOOR MIRROR DEFOGGER 

Check continuity between door mirror LH terminals 1 and 6.

Is the inspection result normal?

YES

>> Check the condition of the harness and the connector.

NO

>> Replace malfunctioning door mirror LH. Refer to 

MIR-

13, "Door Mirror Assembly"

.

1 - 6

: Continuity should exist.

AWLIA1760ZZ

DOOR MIRROR DEFOGGER RH

DEF-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

DOOR MIRROR DEFOGGER RH

Description

INFOID:0000000005272661

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:0000000005272662

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-15, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005272663

Regarding Wiring Diagram information, refer to 

DEF-27, "Wiring Diagram - Defogger Control System"

.

1.

 CHECK POWER SUPPLY

Check if the following fuse in the IPDM E/R is blown.

Is the inspection result normal?

YES

>> GO TO 2

NO

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

2.

 CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT

Check voltage between IPDM E/R harness connector E120 terminal
23 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

3.

 CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT

COMPONENT PARTS

AMPERE

FUSE NO.

IPDM E/R

15A

43

Connector

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(-)

E120

23

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

LIIA2049E