Infiniti QX56 (Z62). Manual — part 418
DLK-138
< DTC/CIRCUIT DIAGNOSIS >
DOOR REQUEST SWITCH
3.
CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR REQUEST SWITCH
DLK-138, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace malfunctioning front door request switch.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000006225951
1.
CHECK DOOR REQUEST SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect malfunctioning front door request switch connector.
3.
Check continuity between malfunctioning front door request switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning front door request switch.
Front door request switch
Ground
Continuity
Connector
Terminal
Driver side
D11
2
Existed
Passenger side
D31
Front door request switch
Condition
Continuity
Terminal
1
2
Door request switch
Pressed
Existed
Released
Not existed
BACK DOOR REQUEST SWITCH
DLK-139
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
BACK DOOR REQUEST SWITCH
Component Function Check
INFOID:0000000006225952
1.
CHECK FUNCTION
1.
Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2.
Select “REQ SW-BD/TR” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Back door request switch is OK.
NO
>> Refer to
DLK-139, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006225953
1.
CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect back door opener switch assembly connector.
3.
Check voltage between back door opener switch assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door opener switch assembly harness connector and ground.
Monitor item
Condition
Status
REQ SW-BD/TR
Back door request switch
Pressed
On
Released
Off
(+)
(–)
Voltage
(Approx.)
Back door opener switch assembly
Connector
Terminal
D154
4
Ground
12 V
BCM
Back door opener switch assembly
Continuity
Connector
Terminal
Connector
Terminal
M69
51
D154
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M69
51
Not existed
DLK-140
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR REQUEST SWITCH
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK BACK DOOR REQUEST SWITCH
DLK-140, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door opener switch assembly.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000006225954
1.
CHECK BACK DOOR REQUEST SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect back door opener switch assembly connector.
3.
Check continuity between back door opener switch assembly terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door opener switch assembly.
Back door opener switch assembly
Ground
Continuity
Connector
Terminal
D154
3
Existed
Back door opener switch assembly
Condition
Continuity
Terminal
3
4
Back door request switch
Pressed
Existed
Released
Not existed
BACK DOOR OPENER SWITCH
DLK-141
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
BACK DOOR OPENER SWITCH
Component Function Check
INFOID:0000000006225955
1.
CHECK FUNCTION
1.
Select “TRUNK” of “BCM” using CONSULT-III.
2.
Select “TR/BD OPEN SW” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Back door opener switch is OK.
NO
>> Refer to
DLK-141, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006225956
1.
CHECK BACK DOOR OPEN INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect back door opener switch assembly connector.
3.
Check signal between back door opener switch assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK BACK DOOR OPENER SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
Monitor item
Condition
Status
TR/BD OPEN SW
Back door opener switch
Pressed
ON
Released
OFF
(+)
(–)
Signal
(Reference value)
Back door opener switch assembly
Connector
Terminal
D154
1
Ground
JPMIA0012GB
BCM
Back door opener switch assembly
Continuity
Connector
Terminal
Connector
Terminal
M68
30
D154
1
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
30
Not existed
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