Infiniti QX56 (Z62). Manual — part 421

DLK-150

< DTC/CIRCUIT DIAGNOSIS >

AUTOMATIC BACK DOOR CLOSE SWITCH

AUTOMATIC BACK DOOR CLOSE SWITCH

Component Function Check

INFOID:0000000006225971

1.

CHECK FUNCTION

1.

Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.

2.

Select “BK DOOR CL SW” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Automatic back door close switch is OK.

NO

>> Refer to

DLK-150, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225972

1.

CHECK AUTOMATIC BACK DOOR CLOSE SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door close switch connector.

3.

Check voltage between automatic back door close switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK AUTOMATIC BACK DOOR CLOSE SWITCH CIRCUIT

1.

Disconnect automatic back door control module connector.

2.

Check continuity between automatic back door control module harness connector and automatic back
door close switch harness connector.

3.

Check continuity between automatic back door control module harness connector and ground.

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to

DLK-262, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK AUTOMATIC BACK DOOR CLOSE SWITCH GROUND CIRCUIT

Check continuity between automatic back door close switch harness connector and ground.

Monitor item

Condition

Status

BK DOOR CL SW

Automatic back door close switch

Pressed

ON

Released

OFF

(+)

(–)

Voltage

(Approx.)

Automatic back door close switch

Connector

Terminal

D158

1

Ground

Battery voltage

Automatic back door control module

Automatic back door close switch

Continuity

Connector

Terminal

Connector

Terminal

B26

4

D158

1

Existed

Automatic back door control module

Ground

Continuity

Connector

Terminal

B26

4

Not existed

AUTOMATIC BACK DOOR CLOSE SWITCH

DLK-151

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK AUTOMATIC BACK DOOR CLOSE SWITCH

Refer to

DLK-151, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace automatic back door close switch.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000006225973

1.

CHECK AUTOMATIC BACK DOOR CLOSE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door close switch connector.

3.

Check continuity between automatic back door close switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace automatic back door close switch.

Automatic back door close switch

Ground

Continuity

Connector

Terminal

D158

2

Existed

Automatic back door close switch

Condition

Continuity

Terminal

1

2

Automatic back door
close switch

Pressed

Existed

Released

Not existed

DLK-152

< DTC/CIRCUIT DIAGNOSIS >

AUTOMATIC BACK DOOR MAIN SWITCH

AUTOMATIC BACK DOOR MAIN SWITCH

Component Function Check

INFOID:0000000006225974

1.

CHECK FUNCTION

1.

Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.

2.

Select “MAIN SW” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Automatic back door main switch is OK.

NO

>> Refer to

DLK-152, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225975

1.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door main switch connector.

3.

Check voltage between automatic back door main switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH CIRCUIT

1.

Disconnect automatic back door control module connector.

2.

Check continuity between automatic back door control module harness connector and automatic back
door main switch harness connector.

3.

Check continuity between automatic back door control module connector and ground.

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to

DLK-262, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH GROUND CIRCUIT

Check continuity between automatic back door main switch connector and ground.

Monitor item

Condition

Status

MAIN SW

Automatic back door main switch

ON

ON

OFF

OFF

(+)

(–)

Voltage

(Approx.)

Automatic back door main switch

Connector

Terminal

M110

1

Ground

Battery voltage

Automatic back door control module

Automatic back door main switch

Continuity

Connector

Terminal

Connector

Terminal

B26

17

M110

1

Existed

Automatic back door control module

Ground

Continuity

Connector

Terminal

B26

17

Not existed

AUTOMATIC BACK DOOR MAIN SWITCH

DLK-153

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH

Refer to

DLK-153, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace automatic back door main switch.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000006225976

1.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door switch connector.

3.

Check continuity between automatic back door main switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace automatic back door main switch.

Automatic back door main switch

Ground

Continuity

Connector

Terminal

M110

3

Existed

Automatic back door main switch

Condition

Continuity

Terminal

1

3

Automatic back door
main switch

ON

Existed

OFF

Not existed