2011 INFINITI QX56 Factory Service Manual

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Page 4545 of 5598

INFINITI QX56 2011 Factory Service Manual
SE-86
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR
Component Function CheckINFOID:0000000006217406
1.CHECK CLIMATE CONTROLLED SE

SE-86
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR
Component Function CheckINFOID:0000000006217406
1.CHECK CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR FUNCTION
When turning the climate controlled seat switch to the HEAT or COOL mode position, check that the climate
controlled seat cushion blower is operated in each specific mode.
Is the inspection result normal?
YES >> Climate controlled seat cushion blower motor is OK.
NO >> Refer to SE-86, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006217407
1.CHECK CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat cushion blower motor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat cushion blower motor connector and climate controlled seat control
unit connector.
3. Check continuity between climate controlled seat cushion blower motor harness connector and climate
controlled seat control unit harness connector.
4. Check continuity between climate controlled s eat cushion blower motor harness connector and ground.
Is the inspection result normal?
YES >> Replace climate controlled seat control unit. Refer to SE-117, "CLIMATE CONTROLLED SEAT
UNIT : Disassembly and Assembly".
NO >> Repair or replace harness.
(+)
(–) Condition Voltage (V)
(Approx.)
Climate controlled seat cushion blower motor
Connector Terminal
Driver side B506 71 GroundClimate controlled seat
switch
HEAT mode
12
COOL mode
Other than above 0
Passenger side B516 Climate controlled seat
switchHEAT mode
12
COOL mode
Other than above 0
Climate controlled seat cushion blower motor Climate controlled seat control unit Continuity
Connector Terminal Connector Terminal
Driver side B506 71B507
71 Existed
Passenger side B516 B517
Climate controlled seat cushion blower motor
GroundContinuity
Connector Terminal
Driver side B506 71 Not existed
Passenger side B516
Revision: 2010 May2011 QX56

Page 4546 of 5598

INFINITI QX56 2011 Factory Service Manual
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTORSE-87
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
SE
N
O P
3.CHECK CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR SPEED CONTROL SIGNAL
Check voltage be

CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTORSE-87
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
SE
N
O P
3.CHECK CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR SPEED CONTROL SIGNAL
Check voltage between climate controlled seat cushion blower motor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK CLIMATE CONTROLLED SEAT CUSHION BL OWER MOTOR SPEED CONTROL SIGNAL CIR-
CUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat cushion blower motor connector and climate controlled seat control
unit connector.
3. Check continuity between climate controlled seat cushion blower motor harness connector and climate
controlled seat control unit harness connector.
4. Check continuity between climate controlled s eat cushion blower motor harness connector and ground.
Is the inspection result normal?
YES >> Replace climate controlled seat control unit. Refer to SE-117, "CLIMATE CONTROLLED SEAT
UNIT : Disassembly and Assembly".
NO >> Repair or replace harness.
5.CHECK CLIMATE CONTROLLED SEAT CUSHI ON BLOWER MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat cushion blower motor and climate controlled seat control unit connec-
tor.
3. Check continuity between climate controlled seat cushion blower motor harness connector and climate
controlled seat control unit harness connector.
(+)
(–) Condition Voltage (V)
(Approx.)
Climate controlled seat cushion blower motor
Connector Terminal
Driver side B506 72 GroundClimate controlled seat
switch
HEAT 5.5 - 8
COOL
HI 9.2
MID 8
LO 6.5
Other than above 0
Passenger side B516 Climate controlled seat
switchHEAT 5.5 - 8
COOL
HI 9.2
MID 8
LO 6.5
Other than above 0
Climate controlled seat cushion blower motor Climate controlled seat control unit Continuity
Connector Terminal Connector Terminal
Driver side B506 72B507
72 Existed
Passenger side B516 B517
Climate controlled seat cushion blower motor
GroundContinuity
Connector Terminal
Driver side B506 72 Not existed
Passenger side B516
Revision: 2010 May2011 QX56

Page 4547 of 5598

INFINITI QX56 2011 Factory Service Manual
SE-88
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT CUSHION BLOWER MOTOR
4. Check continuity between climate controlled seat cushion blower motor harness connector and ground.
Is the inspection r

Page 4548 of 5598

INFINITI QX56 2011 Factory Service Manual
CLIMATE CONTROLLED SEAT SWITCH INDICATORSE-89
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
SE
N
O P
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
Component Function CheckINFOID:0000000006217408
1.CHEC

Page 4549 of 5598

INFINITI QX56 2011 Factory Service Manual
SE-90
< DTC/CIRCUIT DIAGNOSIS >
CLIMATE CONTROLLED SEAT SWITCH INDICATOR
Is the inspection result normal?
YES >> Replace climate controlled seat control unit. Refer to SE-117, "CLIMATE CONTROLLED SEA

Page 4550 of 5598

INFINITI QX56 2011 Factory Service Manual
CLIMATE CONTROLLED SEAT BLOWER FILTERSE-91
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
SE
N
O P
CLIMATE CONTROLLED SEAT BLOWER FILTER
SEATBACK BLOWER MOTOR
SEATBACK BLOWER MOTOR : Diagnosis Proc

Page 4551 of 5598

INFINITI QX56 2011 Factory Service Manual
SE-92
< SYMPTOM DIAGNOSIS >
CLIMATE CONTROLLED SEAT DOES NOT OPERATE.
SYMPTOM DIAGNOSIS
CLIMATE CONTROLLED SEAT DOES NOT OPERATE.
Diagnosis ProcedureINFOID:0000000006217412
Both sides
1.CHECK CLIMATE

Page 4552 of 5598

INFINITI QX56 2011 Factory Service Manual
CLIMATE CONTROLLED SEAT DOES NOT OPERATE.
SE-93
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
K L
M A
B
SE
N
O P
seat cushion
1.CHECK CLIMATE CONTROLLED SEA T CUSHION BLOWER MOTOR
Check climate controlled seat

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