Infiniti M35/M45 Y50. Manual — part 1084
CLIMATE CONTROLLED SEAT
SE-133
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK CLIMATE CONTROLLED SEAT SWITCH HARNESS CIRCUIT
1.
Disconnect climate controlled seat control unit connector.
2.
Check continuity between climate controlled seat control unit
connector and climate controlled seat switch connector.
–
Driver side
–
Passenger side
3.
Check continuity between climate controlled seat control unit
connector and ground.
OK or NG
OK
>> Replace climate controlled seat control unit.
NG
>> Repair or replace harness between climate controlled seat control unit and climate controlled seat
switch.
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B283
10
B430
3
Yes
20
2
A
C
Continuity
Climate
controlled seat
control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B293
10
B429
3
Yes
20
2
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
10
No
20
PIIB6076E
SE-134
CLIMATE CONTROLLED SEAT
Check Climate Controlled Seat Switch Indicator Circuit
NIS0027T
1.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CUIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat switch connector
and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace climate controlled seat control unit.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled
seat control
unit connector
Terminal
B283
(driver side)
B293
(passenger
side)
8
Ground
Climate
controlled
seat switch
HEAT
Battery voltage
Other than above.
0
9
Climate
controlled
seat switch
COOL
Battery voltage
Other than above.
0
PIIB6077E
CLIMATE CONTROLLED SEAT
SE-135
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK CLIMATE CONTROLLED SEAT SWITCH HARNESS CURCUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat switch and climate controlled seat control unit connector.
3.
Check continuity between climate controlled seat control unit
connector and climate controlled seat switch.
–
Driver side
–
Passenger side
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 climate controlled seat
switch.
A
B
Continuity
Climate
controlled seat
control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B283
8
B430
5
Yes
9
4
A
C
Continuity
Climate
controlled seat
control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B293
8
B429
5
Yes
9
4
A
Ground
Continuity
Climate controlled seat
control unit connector
Terminal
B283 (driver side)
B293 (passenger side)
8
No
9
PIIB6078E
SE-136
CLIMATE CONTROLLED SEAT
3.
CHECK CLIMATE COMTROLLED SEAT SWICH INDICATOR
Check continuity between climate controlled seat switch.
*: Driver side
OK or NG
OK
>> Check the condition of the harness and the connector.
NG
>> Replace climate controlled seat switch.
Check Seat Cushion Thermal Electric Device Circuit
NIS0027U
1.
CHECK SEAT CUSHION 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
>> Seat cushion thermal electric device circuit is OK.
NG
>> GO TO 2.
Climate controlled seat switch
connector
Terminal Continuity
(+)
(–)
B430 (driver side)
B429 (passenger side)
4
6
No
5
6
4
Yes
5
PIIB6079E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Climate
controlled seat
control unit
connector
Terminal
B283
(driver side)
B293
(passenger
side)
5
Ground
Climate
controlled
seat switch
HEAT or
COOL
0 - Battery
voltage
Other than above.
0
6
Climate
controlled
seat switch
COOL or
HEAT
0 - Battery volt-
age
Other than above.
0
PIIB6080E
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