window INFINITI QX56 2009 Factory Service Manual

PWC-88
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
AAKIA0434GB
Revision: December 20092009 QX56

FRONT POWER WINDOW SWITCHPWC-89
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
ABKIA0013GB
Revision: December 20092009 QX56

PWC-90
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
AAKIA0106GB
Revision: December 20092009 QX56

FRONT POWER WINDOW SWITCHPWC-91
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
ABKIA0014GB
Revision: December 20092009 QX56

PWC-92
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
AAKIA0107GB
Revision: December 20092009 QX56

FRONT POWER WINDOW SWITCHPWC-93
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
ABKIA0015GB
Revision: December 20092009 QX56

PWC-94
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
ABKIA0016GB
Revision: December 20092009 QX56

FRONT POWER WINDOW SWITCHPWC-95
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
Fail SafeINFOID:0000000004171221
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe cont rol when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
ABKIA0172GB
Revision: December 20092009 QX56

PWC-96
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
 Auto-up operation
 Anti-pinch function
 Retained power function
Perform initial operation to recover when switched to fa il-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or in motor.
Error Error condition
Pulse sensor malfunction When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors mal-
function When both pulse signals have not been detected for more than the specified value during glass open/
close operation.
Pulse direction malfunction When the pulse signal that is detected during glass open/close operation detects the opposite condition
of power window motor operating direction.
Glass recognition position
malfunction 1 When it detects the error between glass fully closed position in power window switch memory and actual
fully closed position during glass open/close operation is more than the specified value.
Glass recognition position
malfunction 2 When it detects pulse count more than the value of glass full stroke during glass open/close operation.
Malfunction of not yet up-
dated closed position of
glass When glass open/close operation is continuously performed without fully closing more than the specified
value (approximately 10 strokes).
Revision: December 20092009 QX56

NONE OF THE POWER WINDOWS CAN BE OPERATED USING ANY SWITCH
PWC-97
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
PWC
N
O P
SYMPTOM DIAGNOSIS
NONE OF THE POWER WINDOWS CAN BE OPERATED USING ANY
SWITCH
Diagnosis ProcedureINFOID:0000000003776038
1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
Refer to BCS-32, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace the malfunctioning parts.
2. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY AND
GROUND CIRCUIT
Check power window switch main power supply and ground circuit.
Refer to PWC-12, "POWER WINDOW MAIN SW ITCH : Component Function Check"
.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace the malfunctioning parts.
3. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH SERIAL CIRCUIT
Check main power window and door lock/unlock switch serial circuit.
Refer to PWC-12, "POWER WINDOW MAIN SW ITCH : Component Function Check"
.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace the malfunctioning parts.
4. CHECK MAIN POWER WINDOW A ND DOOR LOCK/UNLOCK SWITCH
Check main power window and door lock/unlock switch.
Refer to PWC-12, "POWER WINDOW MAIN SW ITCH : Component Function Check"
.
Is the inspection result normal?
YES >> Inspection End.
NO >> Check intermittent incident. Refer to GI-38, "Intermittent Incident"
.
Revision: December 20092009 QX56