Nissan Maxima. Manual — part 1010
CLIMATE CONTROLLED SEAT BLOWER MOTOR
SE-13
< DTC/CIRCUIT DIAGNOSIS >
[WITH CLIMATE CONTROLLED SEATS]
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> Replace climate controlled seat control unit. Refer to
NO
>> Repair harness or connectors.
4.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL
Check voltage between climate controlled seat blower motor con-
nector B220 terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat blower motor connector and
climate controlled seat control unit connector B212.
3. Check continuity between climate controlled seat blower motor
connector B220 (A) terminal 3 and climate controlled seat con-
trol unit connector B212 (B) terminal 4.
4. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 3 and ground.
Is the inspection result normal?
YES
>> Replace climate controlled seat control unit. Refer to
NO
>> Repair harness or connectors.
6.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
Climate controlled seat blower
motor
Ground
Continuity
Connector
Terminal
B220 (A)
2
—
No
Climate controlled seat
blower motor
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
Climate controlled seat
switch
B220
3
—
HEAT or COOL
4.5V – 8.0V
AWJIA0390ZZ
Climate controlled seat blower
motor
Climate controlled seat control
unit
Continuity
Connector
Terminal
Connector
Terminal
B220 (A)
3
B212 (B)
4
Yes
AWJIA0391ZZ
Climate controlled seat blower
motor
Ground
Continuity
Connector
Terminal
B220 (A)
3
—
No
SE-14
< DTC/CIRCUIT DIAGNOSIS >
[WITH CLIMATE CONTROLLED SEATS]
CLIMATE CONTROLLED SEAT BLOWER MOTOR
2. Disconnect climate controlled seat blower motor connector and
climate controlled seat control unit connector B212.
3. Check continuity between climate controlled seat blower motor
connector B220 (A) terminal 4 and climate controlled seat con-
trol unit connector B212 (B) terminal 6.
Is the inspection result normal?
YES
>> Replace climate controlled seat control unit. Refer to
NO
>> Repair harness or connectors.
Component Inspection (Climate Controlled Seat Blower Motor)
INFOID:0000000010049468
1.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR PART 1
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat blower motor connector.
3. Measure the resistance of the climate controlled seat blower motor between terminals 2 and 4.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace climate controlled seat blower motor. Refer to
2.
CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR PART 2
Measure the resistance of the climate controlled seat blower motor between terminals 3 and 4.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace climate controlled seat blower motor. Refer to
Climate controlled seat blower
motor
Climate controlled seat control
unit
Continuity
Connector
Terminal
Connector
Terminal
B220 (A)
4
B212 (B)
6
Yes
AWJIA0393ZZ
Climate Controlled Seat Blower Motor Terminals
Resistance
2
4
600 – 800
Ω
Climate Controlled Seat Blower Motor Terminals
Resistance
3
4
2.5 – 2.8 M
Ω
SEAT CUSHION THERMAL ELECTRIC DEVICE
SE-15
< DTC/CIRCUIT DIAGNOSIS >
[WITH CLIMATE CONTROLLED SEATS]
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
SEAT CUSHION THERMAL ELECTRIC DEVICE
Description
INFOID:0000000010049469
Provides cooling and heat for the seat cushion.
Component Function Check
INFOID:0000000010049470
1.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE FUNCTION
1. Turn the climate controlled seat switch to the H (Heat) HI position and check that the seat cushion thermal
electric device operates correctly.
2. Turn the climate controlled seat switch to the C (Cool) HI position and check that the seat cushion thermal
electric device operates correctly.
Is the inspection result normal?
YES
>> Seat cushion thermal electric device is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000010049471
Regarding Wiring Diagram information, refer to
1.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE
Perform thermal electric device component inspection for the seat cushion. Refer to
Inspection (Thermal Electric Device)"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace seat cushion thermal electric device. Refer to
2.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect seat cushion thermal electric device connector and
climate controlled seat control unit connector B217.
3. Check continuity between seat cushion thermal electric device
connector B219 (A) terminals 1, 2 and climate controlled seat
control unit connector B217 (B) terminals 26, 27.
4. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 1, 2 and
ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connectors.
Seat cushion thermal electric
device
Climate controlled seat control
unit
Continuity
Connector
Terminal
Connector
Terminal
B219 (A)
1
B217 (B)
27
Yes
2
26
AWJIA0394ZZ
Seat cushion thermal electric de-
vice
Ground
Continuity
Connector
Terminal
B219 (A)
1
No
2
SE-16
< DTC/CIRCUIT DIAGNOSIS >
[WITH CLIMATE CONTROLLED SEATS]
SEAT CUSHION THERMAL ELECTRIC DEVICE
3.
CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR CIRCUITS
1. Disconnect climate controlled seat control unit connector B212.
2. Check continuity between seat cushion thermal electric device
connector B219 (A) terminals 3, 4 and climate controlled seat
control unit connector B212 (B) terminals 13, 14.
3. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 3, 4 and
ground.
Is the inspection result normal?
YES
>> Replace climate controlled seat control unit. Refer to
NO
>> Repair harness or connectors.
Component Inspection (Thermal Electric Device)
INFOID:0000000010049472
1.
CHECK THERMAL ELECTRIC DEVICE
1. Turn ignition switch OFF.
2. Disconnect thermal electric device connector.
3. Measure the resistance of the thermal electric device between terminals 1 and 2.
NOTE:
The resistance value in the table below will change under any of the following conditions:
• air blowing across the thermal electric device
• changing the surrounding temperature of the thermal electric device
• measuring at other than 23
°C (73°F)
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace thermal electric device. Refer to
.
2.
CHECK THERMAL ELECTRIC DEVICE SENSOR
Measure the resistance of the thermal electric device sensor between terminals 3 and 4.
Is the inspection result normal?
Seat cushion thermal electric
device
Climate controlled seat control
unit
Continuity
Connector
Terminal
Connector
Terminal
B219 (A)
3
B212 (B)
14
Yes
4
13
AWJIA0395ZZ
Seat cushion thermal electric de-
vice
Ground
Continuity
Connector
Terminal
B219 (A)
3
No
4
Thermal electric device terminals
Temperature
Resistance
1
2
23
°C (73°F)
0.9 – 10
Ω
Thermal electric device terminals
Temperature
Resistance
3
4
0 – 10
° C (32 – 50° F)
2785– 1660
Ω
10 – 20
° C (50 – 68° F)
1840 – 1135
Ω
20 – 30
° C (68 – 86° F)
1265 – 800
Ω
30 – 40
° C (86 – 104° F)
895 – 565
Ω
40 – 50
° C (104 – 122° F)
635 – 425
Ω
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