Infiniti G37 Coupe. Manual — part 1097
SE-56
< COMPONENT DIAGNOSIS >
POWER WALK-IN SWITCH
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK POWER WALK-IN SWITCH CIRCUIT
1.
Disconnect passenger seat control unit connector and power walk-in switch connector.
2.
Check continuity between passenger seat control unit harness connector and power walk-in switch har-
ness connector.
3.
Check continuity between passenger seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK POWER WALK-IN SWITCH GROUND CIRCUIT
Check continuity between power walk-in switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK PASSENGER SEAT CONTROL UNIT OUTPUT
1.
Connect passenger seat control unit connector.
2.
Check voltage between passenger seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace passenger seat control unit. Refer to
SE-165, "Removal and Installation"
.
5.
CHECK POWER WALK-IN SWITCH
SE-57, "PASSENGER SIDE : Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace power walk-in switch.
Passenger seat control unit
Ground
Condition
Voltage (V)
(Approx.)
Connector
Terminal
B552
30
Ground
Power walk-
in switch
Pressed
0
Released
Battery voltage
Passenger seat control unit
Power walk-in switch
Continuity
Connector
Terminal
Connector
Terminal
B552
30
B557
30
Existed
Passenger seat control unit
Ground
Continuity
Connector
Terminal
B552
30
Ground
Not existed
Power walk-in switch
Ground
Continuity
Connector
Terminal
B557
32
Ground
Existed
Passenger seat control unit
Ground
Voltage (V)
(Approx.)
Connector
Terminal
B552
30
Ground
Battery voltage
POWER WALK-IN SWITCH
SE-57
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
PASSENGER SIDE : Component Inspection
INFOID:0000000001831345
1.
CHECK POWER WALK-IN SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect power walk-in switch connector.
3.
Check continuity between power walk-in switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power walk-in switch.
Power walk-in switch
Condition
Continuity
Terminal
30
32
Power walk-in
switch
Pressed
Not existed
Released
Existed
SE-58
< COMPONENT DIAGNOSIS >
DOOR SWITCH
DOOR SWITCH
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000001879548
Detects front door (driver side) open/close condition.
DRIVER SIDE : Component Function Check
INFOID:0000000001879549
1.
CHECK FUNCTION
1.
Select “DOOR SW-DR” in “Data Monitor” mode with CONSULT-III.
2.
Check the driver side door switch signal under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
SE-58, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000001879550
1.
CHECK DRIVER SIDE DOOR SWITCH SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK DRIVER SIDE DOOR SWITCH CIRCUIT
1.
Disconnect BCM connector and driver side door switch connector.
2.
Check continuity between BCM connector and driver side door switch connector.
3.
Check continuity between BCM connector and ground.
Monitor item
Condition
Status
DOOR SW-DR
Driver side door
Open
ON
Close
OFF
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
BCM
connector
Terminal
M123
150
Ground
Driver side door
Open
0
Close
JPMIA0011GB
BCM connector
Terminal
Door switch
connector
Terminal
Continuity
M123
150
B16
2
Existed
BCM connector
Terminal
Ground
Continuity
M123
150
Not existed
DOOR SWITCH
SE-59
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DRIVER SIDE DOOR SWITCH
SE-60, "PASSENGER SIDE : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace driver side door switch.
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace BCM.
NO
>> Repair or replace the malfunctioning part.
DRIVER SIDE : Component Inspection
INFOID:0000000001879551
1.
CHECK DRIVER SIDE DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect driver side door switch connector.
3.
Check continuity between driver side door switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace driver side door switch.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001879556
Detects front door (passenger side) open/close condition.
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000001879558
1.
CHECK PASSENGER SIDE DOOR SWITCH SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between passenger seat control unit connector and ground with oscilloscope.
Terminal
Condition
Continuity
Driver side door switch
2
Ground part of door
switch
Driver side door switch
Pressed
Not existed
Released
Existed
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
Passenger
seat control
unit connector
Terminal
B552
8
Ground
Front door
(passenger side)
Open
0
Close
PKIB4960J
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