Infiniti FX35, FX50 (S51). Manual — part 1543
FRONT POWER WINDOW SWITCH
PWC-233
< ECU DIAGNOSIS INFORMATION >
[FRONT WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Fail-safe
INFOID:0000000005248317
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 control when a signal that is out of the specified value is detected
between the fully closed position and the actual position of the glass.
JCKWA3069GB
PWC-234
< ECU DIAGNOSIS INFORMATION >
[FRONT WINDOW ANTI-PINCH]
FRONT POWER WINDOW SWITCH
If fail-safe control, the system changes to a non-initialized condition and the following function do not operate.
• Auto-up operation
• Anti-pinch function
• Retained power function
When fail-safe control is activated, perform initialization procedure to recover. If a malfunction is detected in
power window switch or more, fail-safe control is activated again.
Malfunction
Malfunction condition
Pulse sensor malfunction
When one pulse signal that is the specified value or more is detected continuously for the specified
time or more, while door glass is being operated UP or DOWN.
Both pulse sensors mal-
function
When both pulse signals are not detected continuously for the specified time or more, while door
glass is being operated UP or DOWN.
Pulse direction malfunc-
tion
When a pulse signal indicating that window is moving in the opposite direction against the power win-
dow motor is detected for the specified value or more, while door glass is being operated UP or
DOWN.
Glass recognition position
malfunction 1
When the actual door glass position that is out of specified value is detected compared to the door
glass fully closed position memorized in module, while door glass is being operated UP or DOWN.
Glass recognition position
malfunction 2
When pulse count that is out of the door glass full stroke value or more is detected, while door glass
is being operated UP or DOWN.
Fully closed position up-
date malfunction
When door glass is continuously operated UP or DOWN for the specified value or more without fully
closing door glass (approximately 10 time or more).
NONE OF THE POWER WINDOWS CAN BE OPERATED USING ANY SWITCH
PWC-235
< SYMPTOM DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
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 Procedure
INFOID:0000000005248318
1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
Refer to
PWC-16, "BCM : Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
NO
>> GO TO 1.
PWC-236
< SYMPTOM DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
DRIVER SIDE POWER WINDOW ALONE DOES NOT OPERATE
DRIVER SIDE POWER WINDOW ALONE DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000005248319
1.
CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check power window switch power supply and ground circuit.
Refer to
PWC-148, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK DRIVER SIDE POWER WINDOW MOTOR
Check driver side power window motor.
Refer to
PWC-154, "DRIVER SIDE : Component Function Check"
.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
NO
>> GO TO 1.
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