Nissan Teana J32. Manual — part 926
POWER WINDOW MAIN SWITCH
PWC-71
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
JCKWM1230GB
PWC-72
< ECU DIAGNOSIS >
POWER WINDOW MAIN SWITCH
Fail-safe
INFOID:0000000003826036
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 error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
JCKWM1231GB
POWER WINDOW MAIN SWITCH
PWC-73
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
When the system is switched to fail-safe control, the system becomes un initialized condition and the following
functions do not operate.
• Auto-up operation
• Anti-pinch function
Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or front power window 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).
PWC-74
< SYMPTOM DIAGNOSIS >
POWER WINDOWS DO NOT OPERATE WITH ANY POWER WINDOW SWITCH-
ES
SYMPTOM DIAGNOSIS
POWER WINDOWS DO NOT OPERATE WITH ANY POWER WINDOW
SWITCHES
Diagnosis Procedure
INFOID:0000000003826037
1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
Refer to
PWC-12, "BCM : Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check power window main switch power supply and ground circuit.
Refer to
PWC-12, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
Is the inspection result normal?
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-35, "Intermittent Incident"
.
NO
>> GO TO 1.
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