Infiniti M35/M45 Y50. Manual — part 1083
CLIMATE CONTROLLED SEAT
SE-129
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat relay.
3.
Check voltage between climate controlled seat relay connector
and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between climate controlled seat relay and ground.
4.
CHECK CLIMATE CONTROLLED SEAT RELAY
Check continuity climate controlled seat relay.
OK or NG
OK
>> GO TO 5.
NG
>> Replace climate controlled seat relay.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Climate controlled
seat relay connector
Terminal
E16
5
Ground
Battery voltage
7
PIIB6070E
Climate controlled
seat relay connector
Terminal Condition
Continuity
E16
3
5
12V direct current
supply between
terminals 1and 2
Yes
No current supply
No
6
7
12V direct current
supply between
terminals 1and 2
Yes
No current supply
No
SEC202B
SE-130
CLIMATE CONTROLLED SEAT
5.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT HARNESS CIRCUIT
1.
Check continuity between climate controlled seat control unit
connector and climate controlled seat relay connector.
2.
Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between climate controlled seat control unit and climate controlled seat
relay.
6.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> Climate controlled seat control unit power supply and ground circuit is OK.
NG
>> Repair or replace harness between climate controlled seat control unit and ground.
A
B
Continuity
Climate controlled
seat control unit
connector
Terminal
Climate controlled
seat relay
connector
Terminal
B284
(driver side)
2
E16
6
Yes
4
B294
(passenger side)
2
3
4
A
Ground
Continuity
Climate controlled
seat control unit
connector
Terminal
B284 (driver side)
B294 (passenger side)
2
No
4
PIIB6071E
Terminal
Continuity
Climate controlled
seat control unit
connector
Terminal
Ground
Yes
B284
(driver side)
B294
(passenger side)
3
PIIB6072E
CLIMATE CONTROLLED SEAT
SE-131
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Climate Controlled Seat Switch Power Supply Circuit
NIS0027R
1.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat control unit and
ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace climate controlled seat control unit.
2.
CHECK CLIMATE CONTROLLED SEAT SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit and climate controlled seat switch connector.
3.
Check continuity between climate controlled seat control unit
connector and climate controlled seat switch connector.
–
Driver side
–
Passenger side
4.
Check continuity between climate controlled seat control unit
connector and ground.
OK or NG
OK
>> Climate controlled seat control unit power supply circuit is OK.
NG
>> Repair or replace harness between climate controlled seat control unit and climate controlled seat
switch.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Climate controlled
seat control unit
connector
Terminal
B283
(driver side)
B293
(passenger side)
11
Ground
Battery voltage
PIIB6073E
A
B
Continuity
Climate controlled
seat control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B283
11
B430
1
Yes
A
C
Continuity
Climate controlled
seat control unit
connector
Terminal
Climate controlled
seat switch
connector
Terminal
B293
11
B429
1 Yes
A
Ground
Continuity
Climate controlled
seat control unit
connector
11
B283 (driver side)
B293 (passenger side)
No
PIIB6074E
SE-132
CLIMATE CONTROLLED SEAT
Check Climate Controlled Seat Switch Circuit
NIS0027S
1.
CHECK CLIMATE CONTROLLED SEAT SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat switch connector.
3.
Check continuity between climate controlled seat switch.
*: Driver side
OK or NG
OK
>> GO TO 2.
NG
>> Replace climate controlled seat switch.
Climate
controlled seat
switch connector
Terminal Condition
Continuity
B430
(driver side)
B429
(passenger side)
1
3
Climate controlled
seat switch
HEAT
Yes
Other than above.
No
2
Climate controlled
seat switch
COOL
Yes
Other than above.
No
PIIB6075E
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