NISSAN TEANA 2008 Service Manual

VENTILATION SEAT CONTROL UNIT
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JCJWM0291GB

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VENTILATION SEAT CONTROL UNIT
JCJWM0292GB

VENTILATION SEAT CONTROL UNIT
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FRONT SEAT : Fail-safeINFOID:0000000003900687
 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.
JCJWM0293GB

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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.
REAR SEAT
REAR SEAT : Reference ValueINFOID:0000000003940342
TERMINAL LAYOUT
PHYSICAL VALUES
Malfunction Malfunctioning condition Reset procedure
Ventilation motor system open circuitIn ventilation seat mode, ventilation motor
system open circuit is detected for 10 seconds
or moreTurn OFF key switch and turn ON key
switch again. System is reset
Ventilation motor system short circuitIn ventilation seat mode, heater unit system
short circuit is detected for 0.2 seconds or
moreTurn OFF key switch and turn ON key
switch again. System is reset
Heater unit system open circuitIn heated seat LO mode, heater unit system
open circuit is detected for 0.1 seconds or
moreTurn OFF key switch and turn ON key
switch again. System is reset
Heater unit system short circuitIn heated seat LO mode, heater unit system
short circuit is detected for 0.1 seconds or
moreTurn OFF key switch and turn ON key
switch again. System is reset
System voltage out of rangeSystem 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
JMJIA2012ZZ
Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
(+) (–) Signal nameInput/
Output
44
(R)Ground Battery power supply Input Ignition switch OFF Battery voltage
45
(B/W)Ground Ground — Ignition switch ON 0 V
46
(R/W)Ground IGN power supply Input Ignition switchOFF or ACC 0 V
ON Battery voltage
47
LH:(V)
RH:(G/O)Ground Ventilation seat switch HI signal Input Ventilation seat switch HIPressed 0 V
Other than
aboveBattery voltage
48
LH:(V/W)
RH:(G/L)Ground Ventilation seat switch LO signal Input Ventilation seat switch LOPressed 0 V
Other than
aboveBattery voltage

VENTILATION SEAT CONTROL UNIT
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49
LH:(O/B)
RH:(BR/W)Ground Ventilation seat HI indictor signal OutputVentilation seat HI indica-
torIlluminate 3 V
Other than
aboveBattery voltage
50
LH:(O/L)
RH:(BR/Y)Ground Ventilation seat LO indictor signal OutputVentilation seat LO indi-
catorIlluminate 3 V
Other than
aboveBattery voltage
51
LH:(P/L)
RH:(G/Y)Ground Heated seat switch HI signal Input Heated seat switch HIPressed 0 V
Other than
aboveBattery voltage
52
LH:(P/B)
RH:(G/R)Ground Heated seat switch LO signal Input Heated seat switch LOPressed 0 V
Other than
aboveBattery voltage
53
LH:(GR/R)
RH:(LG/B)Ground Heated seat HI indictor signal Output Heated seat HI indicatorIlluminate 3 V
Other than
aboveBattery voltage
54
LH:(GR/L)
RH:(LG/R)Ground Heated seat LO indictor signal Output Heated seat LO indicatorIlluminate 3 V
Other than
aboveBattery voltage
55
(B/W)Ground Ventilation motor ground — Ignition switch ON 0 V
56
LH:(L/B)
RH:(Y/R)GroundVentilation motor speed control
signal
(seatback)Output Ventilation seatLO mode 7 V
HI mode 8.8 V
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LH:(L/W)
RH:(Y/B)GroundVentilation motor power supply
(seatback)Output Ventilation seatLO mode Battery voltage
HI mode Battery voltage
Other than
above0 V
58
LH:(G/W)
RH:(W)Ground Heated seat power supply Output Heated seatLO mode Battery voltage
HI mode Battery voltage
Other than
above0 V
59
LH:(G/B)
RH:(W/B)GroundGround
(Heated seat HI mode)— Heated seatLO mode 6.5 V
HI mode 0 V
Other than
above0 V
60
LH:(G)
RH:(W/G)GroundHeated seat HI mode power sup-
ply
Output
Heated seatLO mode 0 V
Heated seat LO mode ground —HI mode Battery voltage
Other than
above0 V
61
LH:(L/Y)
RH:(Y/L)GroundVentilation motor speed control
signal
(seat cushion)Output Ventilation seatLO mode 7 V
HI mode 10 V
62
LH:(L/R)
RH:(Y/G)GroundVentilation motor power supply
(seat cushion)Output Ventilation seatLO mode Battery voltage
HI mode Battery voltage
Other than
above0 V Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
(+) (–) Signal nameInput/
Output

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VENTILATION SEAT CONTROL UNIT
ECU DIAGNOSIS
VENTILATION SEAT CONTROL UNIT
REAR SEAT
REAR SEAT : Wiring Diagram - REAR
H E AT E D S E AT A N D V E N T I L AT I O N S E AT
SYSTEM -
INFOID:0000000003940344
JCJWA0643GB

VENTILATION SEAT CONTROL UNIT
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JCJWM0298GB

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VENTILATION SEAT CONTROL UNIT
JCJWA0644GB

VENTILATION SEAT CONTROL UNITSE-65
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JCJWA0645GB

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VENTILATION SEAT CONTROL UNIT
JCJWA0646GB