ground INFINITI M35 2006 Factory Service Manual

GW-28
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
Terminal and Reference Value for Power Window Main SwitchNIS0021M
Terminal Wire color Item ConditionVoltage [V]
(Approx.)
2 W/B Encoder ground — 0
4BRDoor key cylinder switch
LOCK signalKey position
(Neutral
Locked)5 0
6V/RDoor key cylinder switch
UNLOCK signalKey position
(Neutral
Unlocked)5 0
8LFront driver side power window
motor UP signalWhen front LH switch in
power window main switch is
UP at operated. Battery voltage
9 G/W Encoder pulse signal 2When power window motor oper-
ates.
10 Y/B Rap signalIGN SW ON Battery voltage
Within 45 second after ignition
switch is turned to OFFBattery voltage
When driver side or passenger
side door is opened daring
retained power operation0
11 GFront driver side power window
motor DOWN signalWhen front LH switch in
power window main switch is
DOWN at operated. Battery voltage
13 G/Y Encoder pulse signal 1When power window motor oper-
ates.
14 Y Power window serial linkIGN SW ON or power window
timer operating.
15 G/R Encoder power supplyWhen ignition switch ON or power
window timer operates.10
17 B Ground — 0
19 W/B Battery power supply — Battery voltage
OCC3383D
OCC3383D
PIIA2344J

POWER WINDOW SYSTEM
GW-29
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Revision: 2006 January2006 M35/M45
Terminal and Reference Value for (Front and Rear) Power Window Sub-SwitchNIS0021N
( ): Power window sub-switch (rear LH or RH)Terminal Wire color Item ConditionVoltage [V]
(Approx.)
3 W/B Encoder ground — 0
4 G/R Encoder power supplyWhen ignition switch ON or power
window timer operates10
8L
(G)Power window motor
UP signalWhen power window motor is
UP at operated. Battery voltage
9G
(L)Power window motor
DOWN signalWhen power window motor is
DOWN at operated.Battery voltage
10W/B
(W/R)Battery power supply — Battery voltage
11 B G r o u n d — 0
12 G/Y Encoder pulse signal 1When power window motor oper-
ates.
15 G/W Encoder pulse signal 2When power window motor oper-
ates.
16 Y Power window serial linkIGN SW ON or power window
timer operating.
OCC3383D
OCC3383D
PIIA2344J

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

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

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

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

POWER WINDOW SYSTEM
GW-37
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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

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

POWER WINDOW SYSTEM
GW-39
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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

GW-40
POWER WINDOW SYSTEM
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window sub-switch (front passenger side) and power window motor (front passenger
side) connector.
3. Check continuity between power window sub-switch (front passenger side) connector and power window
motor (front passenger side) connector.
OK or NG
OK >> Replace power window motor (front passenger side).
NG >> Repair or replace harness.
Power Window Motor (Rear LH or RH) Circuit Check NIS0021X
1. CHECK POWER WINDOW SUB-SWITCH REAR OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between power window sub-switch (rear LH or RH) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace power window sub-switch (rear LH or RH).
AB
Continuity Power window
sub-switch
(front passenger side)
connectorTerminalPower window
motor
(front passenger side)
connectorTerminal
D468
D422
Ye s
91
PIIB5946E
Terminal
Window
conditionVoltage (V)
(Approx.) (+)
(–) Power window
sub-switch
(rear LH or RH)
connectorTerminal
D60 (LH)
D80 (RH)8
GroundUP Battery voltage
DOWN 0
9UP 0
DOWN Battery voltage
PIIB5945E