drive INFINITI FX35 2004 Service Manual

POWER WINDOW SYSTEM
GW-43
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Symptom Chart / With Front and Rear Power Window Anti-
pinch System
AIS004QD

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-44
2. Power window main switch power supply and
ground circuit checkGW-45
3. Power window serial link checkGW-71
Driver side power window alone does not operated.1. Front power window motor (driver side) circuit
checkGW-48
2. Replace power window main switch —
Front passenger side power window alone does not operated.1. Front power window switch (passenger side)
power and ground circuit checkGW-46
2. Power window serial link checkGW-71
3. Front power window motor (passenger side)
circuit checkGW-49
4. Replace BCMBCS-15
Rear LH or RH side power window alone does not operated1. Rear power window switch (LH or RH)
power and ground circuit checkGW-472. Power window serial link checkGW-73
3. Rear power window motor (LH or RH) circuit
checkGW-55
4. Replace rear power window switch (LH or RH)EI-35
Anti-pinch system does not operate normally (driver side)1. 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.—
2. Limit switch adjustingGW-78
3. Limit switch circuit check (driver side)GW-56
4. Encoder circuit check (driver side)GW-61
Anti-pinch system does not operate normally (passenger side)1. 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.—
2. Limit switch adjustingGW-78
3. Limit switch circuit check (passenger side)GW-57
4. Encoder circuit check (passenger side)GW-63
Anti-pinch system does not operate normally (rear LH or RH)1. 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.—
2. Limit switch adjustingGW-78
3. Limit switch circuit check (rear LH or RH)GW-59
4. Encoder circuit check (rear LH or RH)GW-65

GW-44
POWER WINDOW SYSTEM
Revision: 2004 November 2004 FX35/FX45
BCM Power Supply and Ground Circuit CheckAIS004QE
1. CHECK FUSE

Check 15A fuse [No.1, located in fuse block (J/B)]

Check 15A fuse [No.22, located in fuse block (J/B)]

Check 50A fusible link (letter M located in the fuse and fusible link box).
NOTE:
Refer to GW-15, "
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
1. Turn ignition switch ON.
2. Check voltage between BCM connector M3, M4 terminal 38, 42,
55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
Power window retained power operation does not operate
properly1. Check the retained power operation mode set-
ting.GW-41
2. Door switch checkGW-67
3. Replace BCM.BCS-15
Does not operate by key cylinder switch1. Door key cylinder switch checkGW-692. Replace power window main switch —
Power window lock switch does not function 1. Power window lock switch checkGW-73
Auto operation does not operate but manual operate normally
(driver side)1. Encoder circuit check (driver side)GW-61
2. Replace power window main switch —
Auto operation does not operate but manual operate normally
(passenger side)1. Encoder circuit check (passenger side)GW-63
2. Replace front power window switch (passen-
ger side)—
Auto operation does not operate but manual operate normally
(rear LH or RH)1. Encoder circuit check (rear LH or RH)GW-65
2. Replace rear power window switch (LH or RH) — Symptom Repair order Refer to page
38 (W/L) – Ground : Battery voltage
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6160E

GW-48
POWER WINDOW SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch (LH or RH) connector.
3. Check continuity between rear power window switch (LH or RH)
connector D58 (LH), D78 (RH) terminal 11 and ground.
OK or NG
OK >> Rear power window switch (LH or RH) power supply
and ground circuit are OK. Refer to symptom chart.
NG >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and rear power window switch (LH or RH) connector.
3. Check continuity between BCM connector M4 terminal 54 and
rear power window switch (LH or RH) connector D58 (LH), D78
(RH) terminal 10.
4. Check continuity between BCM connector M4 terminal 54 and
ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Front Power Window Motor (Driver Side) Circuit CheckAIS004QI
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.11 (B) – Ground : Continuity should exist.
PIIA6294E
54 (W) – 10 (W) : Continuity should exist.
54 (W) – Ground : Continuity should not exist.
PIIA6295E
ConnectorTerminals (Wire color)
Window conditionVoltage [V]
(Approx.)
(+) (-)
D68 (L)
GroundUP Battery voltage
DOWN 0
11 ( B )UP 0
DOWN Battery voltage
PIIA4179E

POWER WINDOW SYSTEM
GW-49
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window main switch and front power window motor (driver side) connector.
3. Check continuity between power window main switch connector
D6 terminal 8, 11 and front power window motor (driver side)
connector D8 terminal 1, 2.
OK or NG
OK >> Replace front power window motor (driver side).
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side).
Front Power Window Motor (Passenger Side) Circuit CheckAIS004QJ
1. CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE) OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between front power window switch (passenger
side) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace front power window switch (passenger side).
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect front power window switch (passenger side) and front power window motor (passenger side)
connector.
3. Check continuity between front power window switch (passen-
ger side) connector D36 terminals 8, 9 and front power window
motor (passenger side) connector D38 terminals 1, 2.
OK or NG
OK >> Replace front power window motor (passenger side).
NG >> Repair or replace harness between front power window
switch (passenger side) and front power window motor
(passenger side). 8 (L) – 2 (L) : Continuity should exist.
11 (B) – 1 (B) : Continuity should exist.
PIIA9956E
ConnectorTerminals (Wire color)
Window conditionVoltage [V]
(Approx.)
(+) (-)
D368 (L)
GroundUP Battery voltage
DOWN 0
9 (G)UP 0
DOWN Battery voltage
PIIA4182E
8 (L) – 2 (L) : Continuity should exist.
9 (G) – 1 (G) : Continuity should exist.
PIIA9957E

GW-56
POWER WINDOW SYSTEM
Revision: 2004 November 2004 FX35/FX45
Limit Switch Circuit Check (Driver Side) AIS004QN
1. CHECK DRIVER DOOR MAIN SWITCH LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between front power window motor (driver side) connector and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor (driver side) connector.
3. Check continuity between front power window motor (driver
side) connector D8 terminal 6 and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect power window main switch connector.
2. Check continuity between power window main switch connector
D6 terminal 2 and front power window motor (driver side) con-
nector D8 terminal 6.
OK or NG
OK >> Replace power window main switch.
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side).
ConnectorTerminals (Wire color)
Condition Voltage [V]
(Approx.)
(+) (-)
D8 5 (GY) GroundDriver side door window is
between fully-open and just
before fully-closed position
(ON)0
Driver side door window is
between just before fully-
closed position and fully-
closed position (OFF)5
PIIA9960E
6 (SB) – Ground : Continuity should exist.
PIIA9961E
2 (SB) – 6 (SB) : Continuity should exist.
PIIB0420E

POWER WINDOW SYSTEM
GW-57
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2004 November 2004 FX35/FX45
4. CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between power window main switch connector
D6 terminal 9 and ground.
OK or NG
OK >> GO TO 5.
NG >> Replace power window main switch.
5. CHECK HARNESS CONTINUITY 2
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main switch connector
D6 terminal 9 and front power window motor connector D8 ter-
minal 5.
OK or NG
OK >> Replace front power window main motor connector.
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side).
Limit Switch Circuit Check (Passenger Side)AIS004QO
1. CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE) LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between front power window motor (passenger side) connector and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.9 (GY) – Ground : Approx. 5V
PIIA4194E
9 (GY) – 5 (GY) : Continuity should exist.
PIIA9963E
ConnectorTerminals (Wire color)
Condition Voltage [V]
(Approx.)
(+) (-)
D38 5 (GY) GroundPassenger side door window
is between fully-open and
just before fully-closed posi-
tion (ON)0
Passenger side door window
is between just before fully-
closed position and fully-
closed position (OFF)5
PIIA9965E

POWER WINDOW SYSTEM
GW-61
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2004 November 2004 FX35/FX45
Encoder Circuit Check (Driver Side) AIS004QQ
1. CHECK FRONT POWER WINDOW MOTOR (DRIVER SIDE) POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front power window motor (driver side)
connector D8 terminal 4 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect power window main switch and front power window motor (driver side).
3. Check continuity between power window main switch connector
D6 terminal 15 and front power window motor (driver side) con-
nector D8 terminal 4.
OK or NG
OK >> Replace power window main switch.
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side).
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor (driver side) connector.
3. Check continuity between front power window motor (driver
side) connector D8 terminal 6 and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.4 (W) – Ground : Approx.10V
PIIA9973E
15 (W) – 4 (W) : Continuity should exist.
PIIA9974E
6 (SB) – Ground : Continuity should exist.
PIIA9961E

GW-62
POWER WINDOW SYSTEM
Revision: 2004 November 2004 FX35/FX45
4. CHECK HARNESS CONTINUITY 2
1. Disconnect power window main switch connector.
2. Check continuity between power window main switch connector
D6 terminal 2 and front power window motor (driver side) con-
nector D8 terminal 6.
OK or NG
OK >> Replace power window main switch.
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side).
5. CHECK ENCODER SIGNAL
1. Connect front power window motor (driver side) connector.
2. Turn ignition switch ON.
3. Check signal between power window main switch connector and ground with oscilloscope.
OK or NG
OK >> Replace power window main switch.
NG >> GO TO 6.
6. CHECK HARNESS CONTINUITY 3
1. Turn ignition switch OFF.
2. Disconnect power window main switch and front power window motor (driver side) connector.
3. Check continuity between power window main switch connector
D6 terminal 13 and front power window motor (driver side) con-
nector D8 terminal 3.
OK or NG
OK >> Replace front power window motor (driver side).
NG >> Repair or replace harness between power window main
switch and front power window motor (driver side). 2 (SB) – 6 (SB) : Continuity should exist.
PIIA9962E
Connec-
torTerminals (Wire color)
ConditionSignal
(Reference value)
(+) (-)
D6 13 (PU) GroundWindow
DOWN
PIIA4205EOCC3383D
13 (PU) – 3 (PU) : Continuity should exist.
PIIA9975E

POWER WINDOW SYSTEM
GW-67
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2004 November 2004 FX35/FX45
Door Switch Check AIS004QT
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector M3, B14 terminals 12, 62 and ground.
OK or NG
OK >> Door switch is OK.
NG >> GO TO 2.
Monitor item Condition
DOOR SW-DROPEN : ON
CLOSE : OFF
DOOR SW-ASOPEN : ON
CLOSE : OFF
PIIA2464E
ItemTerminals (Wire color)
Door conditionVoltage [V]
(Approx.)
(+) (–)
Passenger side
door switch 12 (P/B)
GroundOPEN 0
CLOSE Battery voltage
Driver side door
switch62 (W)OPEN 0
CLOSE Battery voltage
PIIA6158E

GW-68
POWER WINDOW SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between BCM connector M3, B14 terminals
12, 62 and door switch connector B26, B36 terminal 1.
4. Check continuity between BCM connector M3, B14 terminals
12, 62 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCH
Check continuity between door switches terminal 1 and ground part
of door switch.
OK or NG
OK >> GO TO 4.
NG >> Replace malfunction door switch.
4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector M3, B14 terminals 12,
62 and ground.
OK or NG
OK >> Further inspection is necessary, Refer to symptom
chart.
NG >> Replace BCM.Driver side door
62 (W) – 1 (W) : Continuity should exist.
Passenger side door
12 (P/B) – 1 (SB) : Continuity should exist.
12 (P/B) – Ground : Continuity should not exist.
62 (W) – Ground : Continuity should not exist.
PIIA6159E
Terminal Door switch Continuity
1Ground part of
door switchPushed No
Released Yes
PIIA3351E
12 (P/B) – Ground : Battery voltage
62 (W) – Ground : Battery voltage
PIIA6158E