Infiniti QX56 (JA60). Manual - part 199

DOOR MIRROR DEFOGGER LH

DEF-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

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 and door mirror LH.

3. Check continuity between IPDM E/R connector E120 terminal

23 and door mirror LH connector D4 terminal 10.

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 connector D4 terminal 11

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-13, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Replace door mirror. Refer to 

MIR-17, "Door Mirror Assembly"

.

7.

 CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-38, "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:0000000005146837

1.

 CHECK DOOR MIRROR DEFOGGER 

D4

10

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

23 - 10

: Continuity should exist.

WIIA0529E

11 - Ground

: Continuity should exist.

LIIA1454E

DEF-14

< COMPONENT DIAGNOSIS >

DOOR MIRROR DEFOGGER LH

Check continuity between door mirror LH terminals 10 and 11.

Is the inspection result normal?

YES

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

NO

>> Replace malfunctioning door mirror LH. Refer to 

MIR-

17, "Door Mirror Assembly"

.

10 - 11

: Continuity should exist.

WIIA0531E

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:0000000005146838

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:0000000005146839

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:0000000005146840

Regarding Wiring Diagram information, refer to 

DEF-27, "Wiring Diagram"

. 

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 connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace IPDM E/R. Refer to 

PCS-35, "Removal and Installation of IPDM E/R"

.

3.

 CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 2

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.

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

Connector

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(-)

LIIA1456E

DEF-16

< COMPONENT DIAGNOSIS >

DOOR MIRROR DEFOGGER RH

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 and door mirror RH.

3. Check continuity between IPDM E/R connector E120 terminal

23 and door mirror RH connector D107 terminal 10.

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 RH connector D107 terminal

11 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair or replace harness.

6.

 CHECK DOOR MIRROR DEFOGGER RH

Check door mirror defogger RH.

Refer to 

DEF-16, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Replace door mirror. Refer to 

MIR-17, "Door Mirror Assembly"

.

7.

 CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-38, "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:0000000005146841

1.

 CHECK DOOR MIRROR DEFOGGER 

D107

10

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

23 - 10

: Continuity should exist.

WIIA0529E

11 - Ground

: Continuity should exist.

LIIA1454E