Infiniti FX35, FX50 (S51). Manual — part 491
BACK DOOR OPENER SWITCH
DLK-87
< 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
>> Replace BCM. Refer to
BCS-83, "Removal and Installation"
NO
>> Repair harness or connector.
3.
CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
Check continuity between back door opener switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK BACK DOOR OPENER SWITCH
DLK-87, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door opener switch. Refer to
EXT-49, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005239576
1.
CHECK BACK DOOR OPENER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect back door opener switch connector.
3.
Check continuity between back door opener switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door opener switch. Refer to
EXT-49, "Removal and Installation"
.
Back door opener switch
Ground
Continuity
Connector
Terminal
D114
2
Existed
Terminal
Condition
Continuity
Back door opener switch
1
2
ON (press and hold)
Existed
OFF (release)
Not existed
DLK-88
< DTC/CIRCUIT DIAGNOSIS >
DOOR REQUEST SWITCH
DOOR REQUEST SWITCH
Description
INFOID:0000000005239577
Transmits lock/unlock operation to BCM.
Component Function Check
INFOID:0000000005239578
1.
CHECK FUNCTION
Check door request switch (“REQ SW -DR” or “REQ SW -AS”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Door request switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005239579
1.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect malfunctioning front outside handle (request switch) connector.
3.
Check signal between malfunctioning front outside handle (request switch) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK DOOR REQUEST SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and malfunctioning front outside handle (request
switch) harness connector.
3.
Check continuity between BCM harness connector and ground.
Monitor item
Condition
REQ SW -DR
REQ SW -AS
Door request switch is pressed: ON
Door request switch is released: OFF
(+)
(–)
Signal
(Reference value)
Front outside handle (request switch)
Connector
Terminal
Driver side
D13
1
Ground
Passenger side
D43
JMKIA0059GB
BCM
Front outside handle (request switch)
Continuity
Connector
Terminal
Connector
Terminal
M122
101
LH (driver side)
D13
1
Existed
100
RH (passenger side)
D43
DOOR REQUEST SWITCH
DLK-89
< 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
>> Replace BCM. Refer to
BCS-83, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between malfunctioning front outside handle (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-89, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace malfunctioning front outside handle (request switch). Refer to
DLE : Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005239580
1.
CHECK DOOR REQUEST SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect malfunctioning front outside handle (request switch) connector.
3.
Check malfunctioning front outside handle (request switch) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning front outside handle (request switch). Refer to
DLE : Removal and Installation"
.
BCM
Ground
Continuity
Connector
Terminal
M122
101
Not existed
100
Front outside handle (request switch)
Ground
Continuity
Connector
Terminal
Driver side
D13
2
Existed
Passenger side
D43
Terminal
Door request switch condition
Continuity
Front outside handle (request switch)
1
2
Pressed
Existed
Released
Not existed
DLK-90
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR REQUEST SWITCH
BACK DOOR REQUEST SWITCH
Description
INFOID:0000000005239581
Transmits lock/unlock operation to BCM.
Component Function Check
INFOID:0000000005239582
1.
CHECK FUNCTION
Check back door opener request switch (“REQ SW -BD/TR ”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Back door opener request switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005239583
1.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect back door opener request switch.
3.
Check signal between back door opener request switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK BACK DOOR OPENER REQUEST SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and back door opener request switch harness connec-
tor.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
Monitor item
Condition
REQ SW -BD/TR
Back door opener request switch is pressed: ON
Back door opener request switch is released: OFF
(+)
(–)
Signal
(Reference value)
Back door opener request switch
Connector
Terminal
D116
1
Ground
JPMIA0016GB
BCM
Back door opener request switch
Continuity
Connector
Terminal
Connector
Terminal
M121
61
D116
1
Existed
BCM
Ground
Continuity
Connector
Terminal
M121
61
Not existed
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