Infiniti M35/M45 Y50. Manual — part 808
POWER WINDOW SYSTEM
GW-29
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Terminal and Reference Value for (Front and Rear) Power Window Sub-Switch
NIS0021N
(): Power window sub-switch (rear LH or RH)
Termi-
nal
Wire
color
Item
Signal
Input/
Output
Condition
Voltage [V]
(Approx.)
3
W/B
Encoder ground
—
—
0
4
G/R
Encoder power supply
Output
When ignition switch ON or power
window timer operates
10
8
L
(G)
Power window motor
UP signal
Output
When power window motor is
UP at operated.
Battery voltage
9
G
(L)
Power window motor
DOWN signal
Output
When power window motor is
DOWN at operated.
Battery voltage
10
W/B
(W/R)
Battery power supply
Input
—
Battery voltage
11
B
Ground
—
—
0
12
G/Y
Encoder pulse signal 1
Input
When power window motor oper-
ates.
15
G/W
Encoder pulse signal 2
Input
When power window motor oper-
ates.
16
Y
Power window serial link
Input/
Output
IGN SW ON or power window
timer operating.
OCC3383D
OCC3383D
PIIA2344J
GW-30
POWER WINDOW SYSTEM
CONSULT-II Function (BCM)
NIS0021O
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to
GI-38, "CONSULT-II Start Procedure"
WORK SUPPORT
DATE MONITOR
Work Flow
NIS0021P
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
Refer to
GW-30, "Trouble Diagnosis Symptom Chart"
4.
Does power window system operate normally? Yes, GO TO 5, If No, GO TO 3.
5.
INSPECTION END
Trouble Diagnosis Symptom Chart
NIS0021Q
●
Make sure other systems using the signal of the following systems operate normally.
BCM diagnostic test item
Check item diagnostic test mode
Content
RETAINED PWR
Work support
Changes setting of each function.
Data monitor
Displays the input data of BCM in real time.
Work item
Description
RETAINED PWR
Rap signal’s power supply period can be changed by mode setting. Selects rap signal’s power
supply period between three steps
●
MODE1 (45 sec.) / MODE2 (OFF) / MODE 3 (2 min.).
Work item
Description
IGN ON SW
Indicates (ON / OFF) condition of ignition switch
DOOR SW–DR
Indicates (ON / OFF) condition of front door switch driver side
DOOR SW–AS
Indicates (ON / OFF) condition of front door switch passenger side
Symptom
Repair order
Refer to page
None of the power windows can be operated using any switch.
1.
Check BCM power supply and ground circuit
2.
Check power window main switch power sup-
ply and ground circuit
3.
Check power window serial link
Driver side power window alone does not operate.
1.
Check power window motor (front driver side)
circuit
2.
Replace power window main switch
—
Front passenger side power window alone does not operate.
1.
Check power window main switch power sup-
ply and ground circuit check
2.
Check power window sub-switch (front passen-
ger side) power and ground circuit
3.
Check power window serial link
4.
Check power window motor (front passenger
side) circuit
5.
Replace BCM
POWER WINDOW SYSTEM
GW-31
C
D
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F
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A
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GW
Rear LH or RH side power window alone does not operate
1.
Check power window sub-switch
(rear LH or RH)
power and ground circuit
2.
Check power window serial link (rear LH or RH)
3.
Check power window motor (rear LH or RH) cir-
cuit
4.
Replace rear power window switch (LH or RH)
—
Anti-pinch system does not operate normally (driver side)
1.
Initialization
2.
Door window sliding part malfunction
●
A foreign material adheres to window glass
or glass run rubber.
●
Glass run rubber wear or deformation.
●
Sash is tilted too much, or no enough.
—
3.
Encoder circuit check (driver side)
Anti-pinch system does not operate normally (passenger side)
1.
Initialization
2.
Door window sliding part malfunction
●
A foreign material adheres to window glass
or glass run rubber.
●
Glass run rubber wear or deformation.
●
Sash is tilted too much, or no enough.
—
3.
Encoder circuit check (passenger side)
Anti-pinch system does not operate normally (rear LH or RH)
1.
Initialization
2.
Door window sliding part malfunction
●
A foreign material adheres to window glass
or glass run rubber.
●
Glass run rubber wear or deformation.
●
Sash is tilted too much, or no enough.
—
3.
Encoder circuit check (rear LH or RH)
Power window retained power operation does not operate
properly
1.
Check the retained power operation mode set-
ting.
2.
Check door switch
3.
Replace BCM.
Does not operate by key cylinder switch
1.
Initialization
2.
Check door key cylinder switch
3.
Replace power window main switch
—
Power window lock switch does not function
Check power window lock switch
Auto operation does not operate but manual operate normally
(driver side)
1.
Initialization
2.
Check encoder circuit (driver side)
3.
Replace power window main switch
—
Auto operation does not operate but manual operate normally
(passenger side)
1.
Initialization
2.
Encoder circuit check (passenger side)
3.
Replace front power window switch (passenger
side)
—
Auto operation does not operate but manual operate normally
(rear LH or RH)
1.
Initialization
2.
Check encoder circuit (rear LH or RH)
3.
Replace rear power window switch (LH or RH)
—
Symptom
Repair order
Refer to page
GW-32
POWER WINDOW SYSTEM
Check BCM Power Supply and Ground Circuit
NIS0021R
1.
CHECK FUSE
●
Check 15A fuse [No. 1, located in fuse block (J/B)]
●
Check 10A fuse [No. 21, located in fuse block (J/B)]
●
Check 50A fusible link (letter F , located in the fuse and fusible link box).
NOTE:
Refer to
GW-14, "Component Parts and Harness Connector Location"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check BCM power supply circuit for open or short.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Power supply and ground circuit are OK.
NG
>> Check BCM ground circuit for open or short.
Terminals
Condition of
ignition switch
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M1
38
Ground
ON
Battery voltage
M2
42
OFF
55
PIIB5934E
BCM connector
Terminal
Ground
Continuity
M2
52
Yes
PIIB5935E
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