Infiniti QX56 (JA60). Manual - part 241

PINCH STRIP SYSTEM

DLK-135

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

PINCH STRIP SYSTEM

Diagnosis Procedure

INFOID:0000000005147003

Regarding Wiring Diagram information, refer to 

DLK-199, "Wiring Diagram—AUTOMATIC BACK DOOR SYS-

TEM—"

.

1.

PINCH STRIP SIGNAL INSPECTION

1. Turn ignition switch OFF.

2. While operating the pinch strip, check voltage between back

door control unit connector B55 terminals 19, 20 and ground.

Is the inspection result normal?

YES

>> Switch is OK.

NO

>> GO TO 2

2.

PINCH STRIP CIRCUIT INSPECTION

1. Disconnect pinch strip and back door control unit connector.

2. Check continuity between back door control unit connector (A)

B55 terminals 5, 19 (RH) or 5, 20 (LH) and pinch strip connector

(B) D715 (RH), D517 (LH) terminals 1, 2.

3. Check continuity between pinch strip connector (B) D715 (RH),

D517 (LH) terminals 1, 2 and ground.

Is the inspection result normal?

YES

>> Replace the pinch strip.

NO

>> Repair the harness between the pinch strip and the back door control unit.

Terminals

Measuring condition

Voltage (V)

(Approx.)

(+)

(-)

19

Ground

Pinch strip RH operation

0

Other

4

20

Ground

Pinch strip LH operation

0

Other

4

LIIA0811E

RH: 1 - 19

: Continuity should exist.

LH: 1 - 20

: Continuity should exist.

RH and LH 2 - 5 : Continuity should exist.

1 - Ground

: Continuity should not exist.

2 - Ground

: Continuity should not exist.

ALKIA0672ZZ

DLK-136

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

BACK DOOR WARNING CHIME SYSTEM

BACK DOOR WARNING CHIME SYSTEM

Diagnosis Procedure

INFOID:0000000005147004

Regarding Wiring Diagram information, refer to 

DLK-199, "Wiring Diagram—AUTOMATIC BACK DOOR SYS-

TEM—"

.

1.

BACK DOOR WARNING CHIME CIRCUIT INSPECTION

1. Disconnect back door control unit and back door warning chime.

2. Check continuity between back door control unit connector (A)

B55 terminal 6 and back door warning chime connector (B)

D514 terminal 1.

3. Check continuity between back door control unit connector (A)

B55 terminal 6 and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace the harness between the warning chime and the back door control unit.

2.

WARNING CHIME CIRCUIT INSPECTION

1. Check continuity between back door control unit connector (A)

B55 terminal 9 and back door warning chime connector (B)

D514 terminal 2.

2. Check continuity between back door control unit connector (A)

B55 terminal 9 and ground.

Is the inspection result normal?

YES

>> Replace warning chime.

NO

>> Repair or replace the harness between the warning chime and the back door control unit.

6 - 1

: Continuity should exist.

6 - Ground

: Continuity should not exist.

ALKIA0673ZZ

9 - 2

: Continuity should exist.

9 - Ground

: Continuity should not exist.

ALKIA0674ZZ

HALF-LATCH SWITCH SYSTEM

DLK-137

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

HALF-LATCH SWITCH SYSTEM

Diagnosis Procedure

INFOID:0000000005147005

Regarding Wiring Diagram information, refer to 

DLK-199, "Wiring Diagram—AUTOMATIC BACK DOOR SYS-

TEM—"

.

1.

HALF-LATCH SWITCH SIGNAL INSPECTION

1. Turn ignition switch OFF.

2. While fully opening and closing the back door, check voltage

between back door control unit connector B55 terminal 22 and

ground.

Is the inspection result normal?

YES

>> Half-latch switch is OK.

NO

>> GO TO 2

2.

HALF-LATCH SWITCH CIRCUIT INSPECTION

1. Disconnect back door latch switch and back control unit connector.

2. Check continuity between back door control unit connector (A)

B55 terminal 22 and back door latch (half-latch switch) connec-

tor (B) D705 terminal 6.

3. Check continuity between back control unit connector (A) B55

terminal 22 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair the harness between the back door latch (half-latch switch) and the back door control unit.

3.

HALF-LATCH SWITCH GROUND INSPECTION

Check continuity between back door latch (half-latch switch) connec-

tor D705 terminal 8 and ground.

Is the inspection result normal?

YES

>> Replace the back door latch.

NO

>> Repair the harness between the back door latch (half-

latch switch) and ground.

22 - Ground 

LIIA0826E

PIIA2169E

22 - 6

: Continuity should exist.

22 - Ground

: Continuity should not exist.

ALKIA0675ZZ

8 - Ground

: Continuity should exist.

LIIA0828E

DLK-138

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

BACK DOOR OPEN SWITCH SYSTEM

BACK DOOR OPEN SWITCH SYSTEM

Diagnosis Procedure

INFOID:0000000005147006

Regarding Wiring Diagram information, refer to 

DLK-199, "Wiring Diagram—AUTOMATIC BACK DOOR SYS-

TEM—"

.

1.

OPEN SWITCH SIGNAL INSPECTION

1. Turn ignition switch OFF.

2. While fully closing and opening the back door, check voltage

between back door control unit connector B55 terminal 15 and

ground.

Is the inspection result normal?

YES

>> Open switch is OK.

NO

>> GO TO 2

2.

OPEN SWITCH CIRCUIT INSPECTION

1. Disconnect back door latch and back door control unit connector.

2. Check continuity between back door control unit connector (A)

B55 terminal 15 and back door latch (open switch) connector (B)

D705 terminal 4.

3. Check continuity between back door control unit connector (A)

B55 terminal 15 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair the harness between the back door latch (open switch) and the back door control unit.

3.

OPEN SWITCH GROUND INSPECTION

Check continuity between back door latch (open switch) connector

D705 terminal 8 and ground.

Is the inspection result normal?

YES

>> Replace the back door latch.

NO

>> Repair the harness between the back door latch (open

switch) and ground.

15 - Ground 

LIIA0829E

WIIA1047E

15 - 4

: Continuity should exist.

15 - Ground

: Continuity should not exist.

ALKIA0676ZZ

8 - Ground

: Continuity should exist.

LIIA0828E