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-
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-
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-
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-
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
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