Infiniti G37 Coupe. Manual — part 1021
DOOR SWITCH
PWC-25
< COMPONENT DIAGNOSIS >
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DOOR SWITCH
Description
INFOID:0000000001726453
Detects door open/close condition.
Component Function Check
INFOID:0000000001726454
1.
CHECK FUNCTION
With CONSULT-III
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”) in Data Monitor” mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001726455
1.
CHECK DOOR SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
1.
Disconnect BCM connector and door switch connector.
2.
Check continuity between BCM harness connector and door switch harness connector.
Monitor item
Condition
DOOR SW-DR
CLOSE
→
OPEN: OFF
→
ON
DOOR SW-AS
Terminals
Door condition
Voltage (V)
(Approx.)
(+)
(–)
BCM
connector
Terminal
M123
150
Ground
Driver side
OPEN
0
CLOSE
124
Passenger side
OPEN
0
CLOSE
JPMIA0011GB
JPMIA0011GB
PWC-26
< COMPONENT DIAGNOSIS >
DOOR 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 door switch.
3.
CHECK DOOR SWITCH
PWC-26, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunctioning door switch. Refer to
DLK-238, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000001726456
1.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door switch connector.
3.
Check continuity between door switch terminal and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning door switch. Refer to
DLK-238, "Removal and Installation"
BCM connector
Terminal
Door switch
connector
Terminal
Continuity
M123
150
B16 (Driver side)
2
Existed
124
B216 (Passenger side)
BCM connector
Terminal
Ground
Continuity
M123
150
Not existed
124
Terminal
Door switch condition
Continuity
Door switch
2
Ground part of door switch
Pressed
Not existed
Released
Existed
DOOR KEY CYLINDER SWITCH
PWC-27
< COMPONENT DIAGNOSIS >
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DOOR KEY CYLINDER SWITCH
Description
INFOID:0000000001694018
Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals.
Component Function Check
INFOID:0000000001694019
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
With CONSULT-III
Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
BCS-14, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001694020
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between driver side door lock assembly (key cylinder switch) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
Check voltage between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace power window main switch.Refer to
PWC-92, "Removal and Installation"
.
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
Terminals
Key position
Voltage (V)
(Approx.)
(+)
(–)
Driver side door lock assembly
(key cylinder switch) connector
Terminal
D15
6
Ground
Lock
0
Neutral / Unlock
5
5
Unlock
0
Neutral / Lock
5
Power window main switch connector
Terminal
(–)
Voltage (V)
(Approx.)
D8
6
Ground
5
7
PWC-28
< COMPONENT DIAGNOSIS >
DOOR KEY CYLINDER SWITCH
3.
CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector and driver side door key lock assembly (key cylinder
switch) connector.
3.
Check continuity between power window main switch harness connector and driver side door lock assem-
bly (key cylinder switch) harness connector.
4.
Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between driver side door lock assembly (key cylinder switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to
PWC-28, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace driver side door lock assembly (key cylinder switch). Refer to
DLE : Removal and Installation"
.
6.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000001694021
COMPONENT INSPECTION
1.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnector driver side door lock assembly (key cylinder switch) connector.
3.
Check driver side door lock assembly (key cylinder switch).
Power window main switch connec-
tor
Terminal
Driver side door lock assembly (key cylinder
switch) connector
Terminal
Continuity
D8
6
D15
6
Existed
7
5
Power window main switch connec-
tor
Terminal
Ground
Continuity
D8
6
Not existed
7
Driver side door lock assembly (key cylinder
switch) connector
Terminal
Ground
Continuity
D15
4
Existed
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