Infiniti M35/M45 Y50. Manual — part 1086
CLIMATE CONTROLLED SEAT
SE-141
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR
Check resistance between seatback thermal electric device connec-
tor.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace seatback thermal electric device.
Check Climate Controlled Seat Blower Motor Circuit
NIS0027Y
1.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR CIRCUIT HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit and climate controlled seat blower motor connector.
3.
Check continuity between climate controlled seat control unit
connector and climate controlled seat blower motor connector.
4.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between climate controlled seat control unit and climate controlled seat
blower motor.
Seatback thermal electric
device connector
Terminal
Resistance
(K
Ω
)
(Approx.)
B220
(driver side)
B258
(passenger side)
1
2
2
PIIB6086E
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Climate controlled
seat blower motor
connector
Terminal
B283
(driver side)
B293
(passenger side)
7
B282
(driver side)
B292
(passenger side)
3
Yes
14
2
17
4
18
1
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283
(driver side)
B293
(passenger side)
7
No
14
17
18
PIIB6089E
SE-142
CLIMATE CONTROLLED SEAT
2.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY CIRCUIT
1.
Connect climate controlled seat control unit connector and blower motor connector.
2.
Turn ignition switch ON.
3.
Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace climate controlled seat control unit.
3.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT
Check voltage between climate controlled seat control unit connec-
tor and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace climate controlled seat control unit.
4.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR TACHOMETER SIGNAL CIRCUIT
Check voltage between climate controlled seat control unit connec-
tor and ground.
OK or NG
OK
>> Climate controlled seat blower motor circuit is OK.
NG
>> Replace climate controlled seat blower motor.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
14
Ground
Battery voltage
PIIB6090E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled
seat control
unit connector
Terminal
B283
(driver side)
B293
(passenger
side)
17
Ground
Climate
controlled
seat switch
HEAT or
COOL
4.5 - 8.0
Other than above.
0
PIIB6091E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled
seat control
unit connector
Terminal
B283
(driver side)
B293
(passenger
side)
18
Ground
Climate
controlled
seat switch
HEAT or
COOL
4.5 - 8.0
Other than above.
Battery
voltage
PIIB6092E
CLIMATE CONTROLLED SEAT
SE-143
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Check Climate Controlled Seat Control Unit
NIS0027Z
1.
CHECK THE CLIMATE CONTROLLED SEAT CONTROL UNIT
Does the heater operate normally when the driver side or passenger side climate controlled seat control unit is
exchanged?
YES or NO
YES
>> Climate controlled seat control unit is OK.
NO
>> Replace climate controlled seat control unit.
SE-144
HEATED SEAT
HEATED SEAT
PFP:87335
Component Parts and Harness Connector Location
NIS00280
System Description
NIS00281
NOTE:
●
When handling seat, be extremely careful not to scratch heating unit
●
To replace heating unit, seat trim and pad should be separated.
●
Do not use any organic solvent, such as thinner, benzene, alcohol, etc. to clean trims.
Power is all time supplied
●
to rear LH seat control unit and rear RH seat control unit terminal 1.
●
through 50A fusible link [Letter F, located in the fuse block (J/B)],
●
to IPDM E/R (heated seat relay) terminal 14.
●
through 15A fuse [No.38, located in the fuse block (J/B)].
With the ignition switch to ON or START position, power is supplied
●
to rear LH seat control unit terminal 4 and
●
to rear heated seat switch LH terminal 6.
●
through IPDM E/R (heated seat relay) terminal 12
●
to rear RH seat control unit terminal 4 and
●
to rear heated seat switch RH terminal 6
●
through IPDM E/R (heated seat relay) terminal 9.
1.
Fuse, fusible link and relay block (J/B)
2.
IPDM E/R E5, E6, E9
3.
Heated seat relay E5, E6, E9
(Built into the IPDM E/R)
4.
a: Rear heated seat switch LH B507
b: Rear heated seat switch RH B558
5.
Rear seat control unit
B303, B304 (LH)
B353, B354 (RH)
(View with the rear seatback
removed)
PIIB5890E
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