Infiniti M35/M45 Y50. Manual — part 814
POWER WINDOW SYSTEM
GW-53
C
D
E
F
G
H
J
K
L
M
A
B
GW
3.
CHECK DOOR KEY CYLINDER SWITCH GROUND
Check continuity between front door lock assembly (driver side) connector ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH
Check front door lock assembly (driver side).
OK or NG
OK
>> Further inspection is necessary. Refer to symptom
chart.
NG
>> Replace front door key cylinder (driver side) switch.
Front door lock
assembly
(driver side)
connector
Terminal
Ground
Continuity
D14
4
Yes
PIIB5974E
Terminal
Key position
Continuity
Front door lock assembly
(driver side)
5
4
Unlock
Yes
Neutral / Lock
No
6
Lock
Yes
Neutral / Unlock
No
PIIB5975E
GW-54
POWER WINDOW SYSTEM
Check power Window Serial Link (Passenger Side)
NIS00223
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
With CONSULT-II
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in DATA MONITOR mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-II. Refer to
Without CONSULT-II
1.
Remove key from ignition switch, and the door of driver side and passenger side is closed.
2.
Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch
(driver side and passenger side) is turned “LOCK” or “UNLOCK”.
3.
Make sure signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side and passenger side) is turned “LOCK” or “UNLOCK”.
OK or NG
OK
>> Power window serial link is OK.
NG
>> GO TO 2.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
PIIA7068E
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M1
22
Ground
PIIB5957E
PIIA1297E
POWER WINDOW SYSTEM
GW-55
C
D
E
F
G
H
J
K
L
M
A
B
GW
2.
CHECK POWER WINDOW SWITCH GROUND
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch and front power window switch (passenger side) connector.
3.
Check continuity between power window main switch connector and ground.
4.
Check continuity between power window sub-switch (front passenger side) connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector and power window main switch connector.
3.
Check continuity between BCM connector and power window sub-switch (front passenger side) connec-
tor.
OK or NG
OK
>> Replace power window main switch.
NG
>> Repair or replace harness.
Power window main
switch connector
Terminal
Ground
Continuity
D11
17
Yes
PIIB5937E
Power window
sub-switch
(front passenger side)
connector
Terminal
Ground
Continuity
D46
11
Yes
PIIB5941E
A
B
Continuity
BCM connector
Terminal
Power window
main switch
connector
Terminal
M1
22
D10
14
Yes
PIIB5958E
A
B
Continuity
BCM connector
Terminal
Power window
sub- switch
(front passenger side)
connector
Terminal
M1
22
D46
16
Yes
PIIB5959E
GW-56
POWER WINDOW SYSTEM
Check power Window Serial Link (Rear LH or RH)
NIS00224
1.
CHECK POWER WINDOW SWITCH
Change with operative power window sub-switch (rear LH or RH).
Whether operates normally is confirmed?
YES
>> Replace power window sub-switch (rear LH or RH).
NO
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch and power window sub-switch (rear LH or RH) connector.
3.
Check continuity between power window main switch connector and power window sub-switch (rear LH or
RH) connector.
OK or NG
OK
>> Replace power window main switch.
NG
>> Repair or replace harness.
Check power Window Lock Switch
NIS00225
1.
CHECK POWER WINDOW LOCK SIGNAL
Exchanges for a normal power window main switch, and operation is checked.
Does power window lock operate?
YES
>> Replace power window main switch.
NO
>> Check condition of harness and connector.
A
B
Continuity
Power window
main switch
connector
Terminal
Power window
sub- switch
(rear LH or RH)
connector
Terminal
D10
14
D60 (LH)
D80 (RH)
16
Yes
PIIB5960E
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