Infiniti M35/M45 Y50. Manual — part 1085
CLIMATE CONTROLLED SEAT
SE-137
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and seat cushion thermal electric device con-
nector.
3.
Check continuity between climate controlled seat control unit
connector and seat cushion thermal electric device connector.
4.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Repair or replace harness between climate controlled seat control unit and seat cushion thermal
electric device.
Check Seatback Thermal Electric Device Circuit
NIS0027V
1.
CHECK SEATBACK THERMAL ELECTRIC DEVICE POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> Seatback thermal electric device circuit is OK.
NG
>> GO TO 2.
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Seat cushion
thermal electric
device
connector
Terminal
B283
(driver side)
B293
(passenger side)
5
B285
(driver side)
B295
(passenger side)
4
Yes
6
6
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
5
No
6
PIIB6081E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled
seat control
unit connector
Terminal
B283
(driver side)
B293
(passenger
side)
15
Ground
Climate
controlled
seat switch
HEAT or
COOL
0 - Battery
voltage
Other than above.
0
16
Climate
controlled
seat switch
COOL or
HEAT
0 - Battery
voltage
Other than above.
0
PIIB6082E
SE-138
CLIMATE CONTROLLED SEAT
2.
CHECK SEATBACK THERMAL ELECTRIC DEVICE HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.
3.
Check continuity between climate controlled seat control unit
connector and seatback thermal electric device connector.
4.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Repair or replace harness between climate controlled seat control unit and seatback thermal elec-
tric device.
Check Seat Cushion Thermal Electric Device Sensor Circuit
NIS0027W
1.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> Climate controlled seat control unit circuit is OK.
NG
>> GO TO 2.
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Seatback thermal
electric device
connector
Terminal
B283
(driver side)
B293
(passenger side)
15
B285
(driver side)
B295
(passenger side)
4
Yes
16
6
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
15
No
16
PIIB6083E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled seat
control unit
connector
Terminal
B283
(driver side)
B293
(passenger side)
22
Ground
Blower motor
operated
0.5 - 4
PIIB6084E
CLIMATE CONTROLLED SEAT
SE-139
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and seat cushion thermal electric device con-
nector.
3.
Check continuity between climate controlled seat control unit
connector and seat cushion thermal electric device connector.
4.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between climate controlled seat control unit and seat cushion thermal
electric device.
3.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR
Check resistance between seat cushion thermal electric device con-
nector.
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace seat cushion thermal electric device.
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Seat cushion
thermal electric
device connector
Terminal
B283
(driver side)
B293
(passenger side)
21
B285
(driver side)
B295
(passenger side)
2
Yes
22
1
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
21
No
22
PIIB6085E
Seat cushion thermal
electric device connector
Terminal
Resistance (K
Ω
)
(Approx.)
B220
(driver side)
B258
(passenger side)
1
2
2
PIIB6086E
SE-140
CLIMATE CONTROLLED SEAT
Check Seatback Thermal Electric Device Sensor Circuit
NIS0027X
1.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> Climate controlled seat control unit circuit is OK.
NG
>> GO TO 2.
2.
CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.
3.
Check continuity between climate controlled seat control unit
connector and seatback thermal electric device connector.
4.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between climate seat control unit and seatback thermal electric device.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled seat
control unit
connector
Terminal
B283
(driver side)
B293
(passenger side)
23
Ground
Blower motor
operated
0.5 - 4
PIIB6087E
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Seatback thermal
electric device
connector
Terminal
B283
(driver side)
B293
(passenger side)
23
B220
(driver side)
B258
(passenger side)
1
Yes
24
2
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
23
No
24
PIIB6088E
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