Page 3551 of 5621

GW-32
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
Work FlowNIS0021P
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to GW-13, "
System Description"
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
Refer to GW-32, "
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 ChartNIS0021Q
Make sure other systems using the signal of the following systems operate normally.
Symptom Repair order Refer to page
None of the power windows can be operated using any switch.1. BCM power supply and ground circuit checkGW-34
2. Power window main switch power supply and
ground circuit checkGW-35
3. Power window serial link checkGW-56
Driver side power window alone does not operate.1. Power window motor (front driver side) circuit
checkGW-38
2. Replace power window main switch —
Front passenger side power window alone does not operate.1. Power window main switch power supply and
ground circuit checkGW-35
2. Power window sub-switch (front passenger
side) power and ground circuit checkGW-36
3. Power window serial link checkGW-56
4. Power window motor (front passenger side) cir-
cuit checkGW-39
5. Replace BCMBCS-17
Rear LH or RH side power window alone does not operate1. Power window sub-switch (rear LH or RH)
power and ground circuit checkGW-372. Power window serial link check (rear LH or RH)GW-58
3. Power window motor (rear LH or RH) circuit
checkGW-40
4. Replace rear power window switch (LH or RH) —
Anti-pinch system does not operate normally (driver side)1. InitializationGW-65
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)GW-42
Anti-pinch system does not operate normally (passenger side)1. InitializationGW-65
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)GW-45
Page 3552 of 5621

POWER WINDOW SYSTEM
GW-33
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Revision: 2006 January2006 M35/M45
Anti-pinch system does not operate normally (rear LH or RH)1. InitializationGW-70
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)GW-48
Power window retained power operation does not operate
properly1. Check the retained power operation mode set-
ting.GW-31
2. Door switch checkGW-52
3. Replace BCM.BCS-17
Does not operate by key cylinder switch1. InitializationGW-652. Door key cylinder switch checkGW-54
3. Replace power window main switch —
Power window lock switch does not function Power window lock switch checkGW-58
Auto operation does not operate but manual operate normally
(driver side)1. InitializationGW-652. Encoder circuit check (driver side)GW-42
3. Replace power window main switch —
Auto operation does not operate but manual operate normally
(passenger side)1. InitializationGW-65
2. Encoder circuit check (passenger side)GW-45
3. Replace front power window switch (passenger
side)—
Auto operation does not operate but manual operate normally
(rear LH or RH)1. InitializationGW-70
2. Encoder circuit check (rear LH or RH)GW-48
3. Replace rear power window switch (LH or RH) — Symptom Repair order Refer to page
Page 3553 of 5621
![INFINITI M35 2006 Factory Service Manual GW-34
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
BCM Power Supply and Ground Circuit CheckNIS0021R
1. CHECK FUSE
Check 15A fuse [No. 1, located in fuse block (J/B)]
Check 10A fuse [No. 21, INFINITI M35 2006 Factory Service Manual GW-34
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
BCM Power Supply and Ground Circuit CheckNIS0021R
1. CHECK FUSE
Check 15A fuse [No. 1, located in fuse block (J/B)]
Check 10A fuse [No. 21,](/manual-img/42/57023/w960_57023-3552.png)
GW-34
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
BCM Power Supply and Ground Circuit CheckNIS0021R
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-13, "
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.
Te r m i n a l s
Condition of
ignition switchVoltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M1 38
GroundON
Battery voltage
M242
OFF
55
PIIB5934E
BCM connector Terminal
GroundContinuity
M2 52 Yes
PIIB5935E
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POWER WINDOW SYSTEM
GW-35
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Revision: 2006 January2006 M35/M45
Power Window Main Switch Power Supply Circuit Check 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
connectorTerminal
D10 10
Ground Battery voltage
D11 19
PIIB5936E
Power window main
switch connectorTerminal
GroundContinuity
D11 17 Yes
PIIB5937E
AB
Continuity
BCM connector TerminalPower window
main switch
connectorTerminal
M253 D10 10
Ye s
54 D11 19
A
GroundContinuity
BCM connector Terminal
M253
No
54
PIIB5938E
Page 3555 of 5621

GW-36
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
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.
Power Window Sub-Switch (Front Passenger Side) Power Supply and Ground
Circuit Check
NIS0021T
1. CHECK POWER SUPPLY CIRCUIT
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. Turn ignition switch OFF.
2. Disconnect power window sub-switch (front passenger side) connector.
3. 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
M253
Ground Battery voltage
54
PIIB5939E
Terminal
Voltage (V)
(Approx.) (+)
(–) Power window
sub-switch
(front passenger side)
connectorTerminal
D46 10 Ground Battery voltage
PIIB5940E
Power window
sub-switch
(front passenger side)
connectorTerminal
GroundContinuity
D46 11 Yes
PIIB5941E
Page 3556 of 5621

POWER WINDOW SYSTEM
GW-37
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B
GW
Revision: 2006 January2006 M35/M45
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.
Power Window Sub-Switch (Rear LH or RH) Power Supply and Ground Circuit
Check
NIS0021U
1. CHECK POWER SUPPLY
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. Turn ignition switch OFF.
2. Disconnect power window sub-switch (rear LH or RH) connector.
3. 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.
AB
Continuity
BCM connector TerminalPower window
sub-switch
(front passenger side)
connectorTerminal
M2 54 D46 10 Yes
A
GroundContinuity
BCM connector Terminal
M2 54 No
PIIB5942E
Terminal
Voltage (V)
(Approx.) (+)
(–) Power window
sub-switch
(rear LH or RH)
connectorTerminal
D60 (LH)
D80 (RH)10 Ground Battery voltage
PIIB5940E
Power window
sub-switch
(rear LH or RH)
connectorTerminal
GroundContinuity
D60 (LH)
D80 (RH)11 Ye s
PIIB5941E
Page 3557 of 5621

GW-38
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
3. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and power window sub-switch (rear LH or RH) connector.
3. Check continuity between BCM connector and power window sub-switch (rear LH or RH) connector.
4. Check continuity between BCM connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Power Window Motor (Front Driver Side) Circuit CheckNIS0021V
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.
AB
Continuity
BCM connector TerminalPower window
sub-switch
(rear LH or RH)
connectorTerminal
M2 54D60 (LH)
D80 (RH)10 Yes
A
GroundContinuity
BCM connector Terminal
M2 54 No
PIIB5942E
Terminal
Window
ConditionVoltage (V)
(Approx.) (+)
(–) Power window
main switch
connectorTerminal
D108
GroundUP Battery voltage
DOWN 0
11UP 0
DOWN Battery voltage
PIIB5943E
Page 3558 of 5621

POWER WINDOW SYSTEM
GW-39
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GW
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window main switch and power window motor (front driver side) connector.
3. Check continuity between power window main switch connector and power window motor (front driver
side).
OK or NG
OK >> Replace power window motor (front driver side).
NG >> Repair or replace harness.
Power Window Motor (Front Passenger Side) Circuit CheckNIS0021W
1. CHECK POWER WINDOW SUB-SWITCH (FRONT PASSENGER SIDE) OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between power window sub-switch (front passenger side) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace front power window sub-switch (front passenger side).
AB
Continuity Power window
main switch
connectorTerminalPower window
motor
(front driver side)
connectorTerminal
D108
D122
Ye s
11 1
PIIB5944E
Terminal
Window
conditionVoltage (V)
(Approx.) (+)
(–) Power window sub-
switch
(front passenger side)
connectorTerminal
D468
GroundUP Battery voltage
DOWN 0
9UP 0
DOWN Battery voltage
PIIB5945E