Nissan Teana J32. Manual — part 983
VENTILATION SEAT CONTROL UNIT
SE-
65
< ECU DIAGNOSIS >
[WITH VENTILATION SEAT]
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
JCJWA0645GB
SE-
66
< ECU DIAGNOSIS >
[WITH VENTILATION SEAT]
VENTILATION SEAT CONTROL UNIT
JCJWA0646GB
VENTILATION SEAT CONTROL UNIT
SE-67
< ECU DIAGNOSIS >
[WITH VENTILATION SEAT]
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
REAR SEAT : Fail-safe
INFOID:0000000003940345
• The ventilation seat control unit is equipped with the fail-safe function.
• When a malfunction occurs in the system as per the following, the ventilation seat control unit stops all out-
puts. The system enters in the system turns OFF position.
JCJWA0647GB
SE-68
< ECU DIAGNOSIS >
[WITH VENTILATION SEAT]
VENTILATION SEAT CONTROL UNIT
*: System voltage is the voltage between ventilation seat control unit power source and the ground.
NOTE:
When the system enters in the fail-safe mode again after performing resetting procedure, perform diagnosis.
Malfunction
Malfunctioning condition
Reset procedure
Ventilation motor system open circuit
In ventilation seat mode, ventilation motor
system open circuit is detected for 10 seconds
or more
Turn OFF key switch and turn ON key
switch again. System is reset
Ventilation motor system short circuit
In ventilation seat mode, heater unit system
short circuit is detected for 0.2 seconds or
more
Turn OFF key switch and turn ON key
switch again. System is reset
Heater unit system open circuit
In heated seat LO mode, heater unit system
open circuit is detected for 0.1 seconds or
more
Turn OFF key switch and turn ON key
switch again. System is reset
Heater unit system short circuit
In heated seat LO mode, heater unit system
short circuit is detected for 0.1 seconds or
more
Turn OFF key switch and turn ON key
switch again. System is reset
System voltage out of range
System voltage* of ventilation seat control unit
is out of operation range (8.5 V - 16.5 V)
• When system voltage* returns within nor-
mal range after more than 0.5 seconds,
system recovers
• When recovering, system returns to the
same status as previous
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