Infiniti G37 Coupe. Manual — part 380
TRUNK ROOM LAMP SWITCH
DLK-81
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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TRUNK ROOM LAMP SWITCH
Description
INFOID:0000000001683092
Detects trunk open/close condition.
Component Function Check
INFOID:0000000001683093
1.
CHECK FUNCTION
With CONSULT-III
Check trunk room lamp switch (“TR/HAT MNTR”) in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Trunk room lamp switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001683094
1.
CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
1.
Disconnect BCM connector trunk lid lock assembly connector.
2.
Check continuity between BCM harness connector and trunk lid lock assembly harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and trunk room lamp switch.
Monitor item
Condition
TRNK/HAT MNTR
OPEN
: ON
CLOSE
: OFF
Terminals
Trunk
condition
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M121
50
Ground
OPEN
0
CLOSE
JPMIA0011GB
BCM connector
Terminal
Trunk lid lock assembly connector
Terminal
Continuity
M121
50
B303
1
Existed
BCM connector
Terminal
Ground
Continuity
M121
50
Not existed
DLK-82
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
TRUNK ROOM LAMP SWITCH
3.
CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
Check continuity between trunk lid lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace trunk room lamp switch ground circuit.
4.
CHECK TRUNK ROOM LAMP SWITCH
DLK-82, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace trunk lid lock assembly. Refer to
DLK-237, "TRUNK LID LOCK : Removal and Installa-
.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000001683095
1.
CHECK TRUNK ROOM LAMP SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect trunk lid lock assembly connector.
3.
Check continuity between trunk room lamp switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace trunk lid lock assembly. Refer to
DLK-237, "TRUNK LID LOCK : Removal and Installa-
.
Trunk lid lock assembly connector
Terminal
Ground
Continuity
B303
2
Existed
Terminal
Trunk condition
Continuity
Trunk room lamp switch
1
2
OPEN
Existed
CLOSE
Not existed
DOOR REQUEST SWITCH
DLK-83
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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DOOR REQUEST SWITCH
Description
INFOID:0000000001683096
Transmits lock/unlock operation to BCM.
Component Function Check
INFOID:0000000001683097
1.
CHECK FUNCTION
With CONSULT-III
Check door request switch (“DR REQ SW” or “AS REQ SW”) in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door request switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001683098
1.
CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK DOOR REQUEST SWITCH CIRCUIT
1.
Disconnect BCM connector and outside handle (request switch) connector.
2.
Check continuity between BCM harness connector and outside handle (request switch) harness connec-
tor.
Monitor item
Condition
DR REQ SW
AS REQ SW
Door request switch is pressed: ON
Door request switch is released: OFF
Terminals
Door request
switch Condition
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M122
Door request switch
(LH)
101
Ground
Pressed
0
Released
Door request switch
(RH)
100
Pressed
0
Released
JPMIA0016GB
JPMIA0016GB
DLK-84
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
DOOR REQUEST SWITCH
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and outside handle (request switch).
3.
CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between outside handle (request switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace outside handle (request switch) ground circuit.
4.
CHECK DOOR REQUEST SWITCH
DLK-84, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace malfunctioning outside handle (request switch). Refer to
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000001683099
1.
CHECK DOOR REQUEST SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect outside handle (request switch) connector.
3.
Check continuity between outside handle (request switch) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunction outside handle (request switch). Refer to
.
BCM connector
Terminal
Outside handle
(request switch) connector
Terminal
Continuity
M122
101
D13 (LH)
1
Existed
100
D43 (RH)
BCM connector
Terminal
Ground
Continuity
M122
101
Not existed
100
Outside handle (request
switch) connector
Terminal
Ground
Continuity
D13 (LH)
2
Existed
D43 (RH)
Terminal
Door request switch condition
Continuity
Outside handle (request switch)
1
2
Pressed
Existed
Released
Not existed
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