Infiniti FX35, FX50 (S51). Manual — part 1627
SE-28
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
Description
INFOID:0000000005236628
• Turns ON the indicator that indicates the operating status of climate controlled seat HEAT or COOL mode.
Component Function Check
INFOID:0000000005236629
1.
CHECK FUNCTION
Check that the related indicator lamp illuminates when climate controlled seat switch is set to HEAT or COOL
mode.
Is the inspection result normal?
YES
>> Climate controlled seat switch indicator function is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005236630
1.
CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR
Check climate controlled seat switch indicator.
Which side of indicator does not turn ON?
Only HEAT or COOL mode>>GO TO 3.
Both HEAT and COOL mode>>GO TO 2.
2.
CHECK CLIMATECONTROLLED SEAT SWITCH GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat switch connector.
3.
Check continuity between climate controlled seat switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
3.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT OUTPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
Climate controlled seat switch
Ground
Continuity
Connector
Terminal
Driver side
M177
6
Existed
Passenger side
M178
(+)
(–)
Condition
Voltage (V)
(Approx.)
Climate controlled seat control unit
Connector
Terminal
Driver side
B507
7
Ground
Climate controlled seat
HEAT mode
Battery voltage
OFF
0
15
COOL mode
Battery voltage
OFF
0
Passenger side
B517
7
Climate controlled seat
HEAT mode
Battery voltage
OFF
0
15
COOL mode
Battery voltage
OFF
0
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
SE-29
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
NO
>> Replace climate controlled seat control unit. Refer to
SE-85, "Disassembly and Assembly"
4.
CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and climate controlled seat switch.
3.
Check continuity between climate controlled seat switch harness connector and climate controlled seat
control unit harness connector.
4.
Check continuity between climate controlled seat switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR
Check climate controlled seat switch.
Refer to
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace climate controlled seat switch. Refer to
SE-106, "Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005236631
1.
CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR
1.
Turn ignition OFF.
2.
Disconnect climate controlled seat switch connector.
3.
Check climate controlled seat switch terminals.
*For a digital tester.
NOTE:
Climate controlled seat switch
Climate controlled seat control unit
Continuity
Connector
Terminal
Connector
Terminal
Driver side
M177
4
B507
15
Existed
5
7
Passenger side
M178
4
B517
15
5
7
Climate controlled seat switch
Ground
Continuity
Connector
Terminal
Driver side
M177
4
Not existed
5
Passenger side
M178
4
5
Terminal
Continuity
Climate controlled seat switch
(+)*
(–)*
Driver side
COOL indicator
4
6
Existed
HEAT indicator
5
Passenger side
COOL indicator
4
6
HEAT indicator
5
SE-30
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
When checking by an analog tester, the polarity (+) and (–) becomes inverse.
Is the inspection result normal?
YES
>> Climate controlled seat switch indicator is OK.
NO
>> Replace climate controlled seat switch. Refer to
SE-106, "Removal and Installation"
.
CLIMATE CONTROLLED SEAT BLOWER FILTER
SE-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
CLIMATE CONTROLLED SEAT BLOWER FILTER
Diagnosis Procedure
INFOID:0000000005236632
1.
CHECK CLIMATE CONTROLLED SEAT BLOWER FILTER
Remove climate controlled seat blower motor filter and check that there is no clogging by dirt or foreign mat-
ters.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace climate controlled seat blower filter. Refer to
SE-107, "Removal and Installation"
.
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