Infiniti M35/M45 Y50. Manual — part 809
POWER WINDOW SYSTEM
GW-33
C
D
E
F
G
H
J
K
L
M
A
B
GW
Check power Window Main Switch Power Supply Circuit
NIS0021S
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between power window main switch connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector.
3.
Check continuity between power window main switch connector and ground.
OK or NG
OK
>> Power window main switch power supply and ground
circuit are OK.
NG
>> Repair or replace harness.
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM and power window main switch connector.
2.
Check continuity between BCM connector and power window main switch connector.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Power window
main switch
connector
Terminal
D10
10
Ground
Battery voltage
D11
19
PIIB5936E
Power window main
switch connector
Terminal
Ground
Continuity
D11
17
Yes
PIIB5937E
A
B
Continuity
BCM connector
Terminal
Power window
main switch
connector
Terminal
M2
53
D10
10
Yes
54
D11
19
A
Ground
Continuity
BCM connector
Terminal
M2
53
No
54
PIIB5938E
GW-34
POWER WINDOW SYSTEM
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Replace BCM.
Check power Window Sub-Switch (Front Passenger Side) Power Supply and
Ground Circuit
NIS0021T
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between power window sub-switch (front passenger side) connector and ground
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
CHECK GROUND CIRCUIT
1.
Disconnect power window sub-switch (front passenger side) connector.
2.
Check continuity between power window sub-switch (front passenger side) connector and ground.
OK or NG
OK
>> Power window sub-switch (front passenger side) power
supply and ground circuit are OK.
NG
>> Repair or replace harness.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M2
53
Ground
Battery voltage
54
PIIB5939E
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Power window
sub-switch
(front passenger side)
connector
Terminal
D46
10
Ground
Battery voltage
PIIB5940E
Power window
sub-switch
(front passenger side)
connector
Terminal
Ground
Continuity
D46
11
Yes
PIIB5941E
POWER WINDOW SYSTEM
GW-35
C
D
E
F
G
H
J
K
L
M
A
B
GW
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM and power window sub-switch (front passenger side) connector.
2.
Check continuity between BCM connector and power window sub-switch (front passenger side) connec-
tor.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Repair or replace harness.
Check power Window Sub-Switch (Rear LH or RH) Power Supply and Ground
Circuit
NIS0021U
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Check voltage between power window sub-switch (rear LH or RH) connector and ground.
OK or NG
OK >> GO
TO
2.
NG
>> GO TO 3.
2.
CHECK GROUND CIRCUIT
1.
Disconnect power window sub-switch (rear LH or RH) connector.
2.
Check continuity between power window sub-switch (rear LH or RH) connector and ground.
OK or NG
OK
>> Power window sub-switch (rear LH or RH) power supply
and ground circuit are OK. Refer to symptom chart.
NG
>> Repair or replace harness.
A
B
Continuity
BCM connector
Terminal
Power window
sub-switch
(front passenger side)
connector
Terminal
M2
54
D46
10
Yes
A
Ground
Continuity
BCM connector
Terminal
M2
54
No
PIIB5942E
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Power window
sub-switch
(rear LH or RH)
connector
Terminal
D60 (LH)
D80 (RH)
10
Ground
Battery voltage
PIIB5940E
Power window
sub-switch
(rear LH or RH)
connector
Terminal
Ground
Continuity
D60 (LH)
D80 (RH)
11
Yes
PIIB5941E
GW-36
POWER WINDOW SYSTEM
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM and power window sub-switch (rear LH or RH) connector.
2.
Check continuity between BCM connector and power window sub-switch (rear LH or RH) connector.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Repair or replace harness.
Check power Window Motor (Front Driver Side) Circuit
NIS0021V
1.
CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between power window main switch connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace power window main switch.
A
B
Continuity
BCM connector
Terminal
Power window
sub-switch
(rear LH or RH)
connector
Terminal
M2
54
D60 (LH)
D80 (RH)
10
Yes
A
Ground
Continuity
BCM connector
Terminal
M2
54
No
PIIB5942E
Terminal
Window
Condition
Voltage (V)
(Approx.)
(+)
(–)
Power window
main switch
connector
Terminal
D10
8
Ground
UP
Battery voltage
DOWN
0
11
UP
0
DOWN
Battery voltage
PIIB5943E
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