NISSAN TEANA 2008 Service Manual

VENTILATION MOTOR
SE-27
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
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Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK REAR VENTILATION MOTOR SPEED CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear ventilation motor connector and rear ventilation seat control unit connector.
3. Check continuity between rear ventilation motor harness connector and rear ventilation seat control unit
harness connector.
4. Check continuity between rear ventilation motor harness connector and ground.
Is the inspection result normal?
YES >> Replace rear ventilation seat control unit. Refer to SE-100, "Disassembly and Assembly".
NO >> Repair or replace harness.
5.CHECK REAR VENTILATION MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear ventilation motor connector and rear ventilation seat control unit connector.
3. Check continuity between rear ventilation motor harness connector and rear ventilation seat control unit
harness connector.
(+)
(–) ConditionVoltage (V)
(Approx.) Rear ventilation motor
Connector Terminal
Seat cushion (LH) B492
56
GroundVentilation seat LO mode 7
HI mode 10
Other than above 0
Seatback (LH) B493LO mode 7
HI mode 8.8
Other than above 0
Seat cushion (RH) B503
56 Ventilation seat LO mode 7
HI mode 10
Other than above 0
Seatback (RH) B504LO mode 7
HI mode 8.8
Other than above 0
Rear ventilation motor Rear ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
Seat cushion (LH) B492
56 B49161
Existed Seatback (LH) B493 56
Seat cushion (RH) B503
56 B50261
Seatback (RH) B504 56
Rear ventilation motor
GroundContinuity
Connector Terminal
Seat cushion (LH) B492
56
Not existed Seatback (LH) B493
Seat cushion (RH) B503
56
Seatback (RH) B504

SE-28
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
VENTILATION MOTOR
4. Check continuity between rear ventilation motor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK REAR VENTILATION MOTOR GROUND
1. Connect rear ventilation motor connector and rear ventilation seat control unit connector.
2. Check continuity rear ventilation motor harness connector and ground.
Is the inspection result normal?
YES >> Replace rear ventilation motor. Refer to SE-100, "Disassembly and Assembly".
NO >> Replace rear ventilation seat control unit. Refer to SE-100, "
Disassembly and Assembly".
Rear ventilation motor Rear ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
Seat cushion (LH) B492
55 B491 55
Existed Seatback (LH) B493
Seat cushion (RH) B503
55 B502 55
Seatback (RH) B504
Rear ventilation motor
GroundContinuity
Connector Terminal
Seat cushion (LH) B492
55
Not existed Seatback (LH) B493
Seat cushion (RH) B503
55
Seatback (RH) B504
Rear ventilation motor
GroundContinuity
Connector Terminal
Seat cushion (LH) B492
55
Existed Seatback (LH) B493
Seat cushion (RH) B503
55
Seatback (RH) B504

HEATED SEAT HI MODE GROUND CIRCUIT
SE-29
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
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HEATED SEAT HI MODE GROUND CIRCUIT
FRONT SEAT
FRONT SEAT : DescriptionINFOID:0000000003846101
Warms the front seat cushion and front seatback.
FRONT SEAT : Component Function CheckINFOID:0000000003846102
1.CHECK FUNCTION
When turning the front heated seat switch to the HI mode position, check that the front heated seat is operated
in HI mode.
Is the inspection result normal?
YES >> Front heated seat HI mode ground circuit function is OK.
NO >> Refer toSE-29, "
FRONT SEAT : Diagnosis Procedure".
FRONT SEAT : Diagnosis ProcedureINFOID:0000000003846103
1.CHECK FRONT HEATED SEAT (HI MODE) GROUND CIRCUIT 1
1. Turn ignition switch ON.
2. Check voltage between front ventilation seat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace front ventilation seat control unit. Refer to SE-93, "Disassembly and Assembly".
NO >> GO TO 2.
2.CHECK FRONT HEATED SEAT (HI MODE) GROUND CIRCUIT 2
1. Turn ignition switch OFF.
2. Disconnect front seat cushion heater connector and front ventilation seat control unit connector.
3. Check continuity between front seat cushion heater harness connector and front ventilation seat control
unit harness connector.
4. Check continuity between front seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace front seat cushion heater. Refer to SE-89, "Exploded View".
NO >> Repair or replace harness.
REAR SEAT
(+)
(–)
ConditionVoltage (V)
(Approx.) Front ventilation seat control unit
Connector Terminal
Driver side B465
59 GroundHeated seat
LO mode 6.5
Passenger side B441 Heated seat
Front seat cushion heater Front ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
Driver side B463
59B465
59 Existed
Passenger side B432 B441
Front seat cushion heater
GroundContinuity
Connector Terminal
Driver side B463
59 Not existed
Passenger side B432

SE-30
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
HEATED SEAT HI MODE GROUND CIRCUIT
REAR SEAT : Description
INFOID:0000000003846112
Warms the rear seat cushion and rear seatback.
REAR SEAT : Component Function CheckINFOID:0000000003846113
1.CHECK FUNCTION
When turning the rear heated seat switch to the HI mode position, check that the rear heated seat is operated
in HI mode.
Is the inspection result normal?
YES >> Rear heated seat HI mode ground circuit function is OK.
NO >> Refer toSE-30, "
REAR SEAT : Diagnosis Procedure".
REAR SEAT : Diagnosis ProcedureINFOID:0000000003846114
1.CHECK REAR HEATED SEAT (HI MODE) GROUND CIRCUIT 1
1. Turn ignition switch ON.
2. Check voltage between rear ventilation seat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace rear ventilation seat control unit. Refer to SE-100, "Disassembly and Assembly".
NO >> GO TO 2.
2.CHECK REAR HEATED SEAT (HI MODE) GROUND CIRCUIT 2
1. Turn ignition switch OFF.
2. Disconnect rear seat cushion heater connector and rear ventilation seat control unit connector.
3. Check continuity between rear seat cushion heater harness connector and rear ventilation seat control
unit harness connector.
4. Check continuity between rear seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace rear seat cushion heater. Refer to SE-98, "Exploded View".
NO >> Repair or replace harness.
(+)
(–) ConditionVoltage (V)
(Approx.) Rear ventilation seat control unit
Connector Terminal
LH B489
59 GroundHeated seat
LO mode 6.5
RH B500 Heated seat
Rear seat cushion heater Rear ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
LH B487
59B489
59 Existed
RH B498 B500
Rear seat cushion heater
GroundContinuity
Connector Terminal
LH B487
59 Not existed
RH B498

SEAT CUSHION HEATER
SE-31
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
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SEAT CUSHION HEATER
FRONT SEAT
FRONT SEAT : DescriptionINFOID:0000000003841906
Warms the seat cushion.
FRONT SEAT : Component Function CheckINFOID:0000000003841907
1.CHECK FUNCTION
When turning the front heated seat switch to the LO and HI mode position, check that the front seat cushion
heater is operated in each specific mode.
Is the inspection result normal?
YES >> Front seat cushion heater function is OK.
NO >> Refer to SE-31, "
FRONT SEAT : Diagnosis Procedure".
FRONT SEAT : Diagnosis ProcedureINFOID:0000000003841908
1.CHECK FRONT SEAT CUSHION HEATER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between front seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace front seat cushion heater. Refer to SE-89, "Exploded View".
NO >> GO TO 2.
2.CHECK FRONT SEAT CUSHION HEATER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front seat cushion heater connector and front ventilation seat control unit connector.
3. Check continuity between front seat cushion heater harness connector and front ventilation seat control
unit harness connector.
4. Check continuity between front seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace front ventilation seat control unit. Refer to SE-93, "Disassembly and Assembly".
NO >> Repair or replace harness.
REAR SEAT
(+)
(–) ConditionVoltage (V)
(Approx.) Front seat cushion heater
Connector Terminal
Driver side B463 60
GroundHeated seatHI mode Battery voltage
Other than above 0
Passenger side B432 60 Heated seatHI mode Battery voltage
Other than above 0
Front seat cushion heater Front ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
Driver side B463
60B465
60 Existed
Passenger side B432 B441
Front seat cushion heater
GroundContinuity
Connector Terminal
Driver side B463
60 Not existed
Passenger side B432

SE-32
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
SEAT CUSHION HEATER
REAR SEAT : Description
INFOID:0000000003846420
Warms the rear seat cushion.
REAR SEAT : Component Function CheckINFOID:0000000003846421
1.CHECK FUNCTION
When turning the rear heated seat switch to the LO and HI mode position, check that the rear seat cushion
heater is operated in each specific mode.
Is the inspection result normal?
YES >> Rear seat cushion heater function is OK.
NO >> Refer to SE-32, "
REAR SEAT : Diagnosis Procedure".
REAR SEAT : Diagnosis ProcedureINFOID:0000000003846422
1.CHECK REAR SEAT CUSHION HEATER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace rear seat cushion heater. Refer to SE-98, "Exploded View".
NO >> GO TO 2.
2.CHECK REAR SEAT CUSHION HEATER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear seat cushion heater connector and rear ventilation seat control unit connector.
3. Check continuity between rear seat cushion heater harness connector and rear ventilation seat control
unit harness connector.
4. Check continuity between rear seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace rear ventilation seat control unit. Refer to SE-100, "Disassembly and Assembly".
NO >> Repair or replace harness.
(+)
(–) ConditionVoltage (V)
(Approx.) Rear seat cushion heater
Connector Terminal
LH B487 60
GroundHeated seatHI mode Battery voltage
Other than above 0
RH B498 60 Heated seatHI mode Battery voltage
Other than above 0
Rear seat cushion heater Rear ventilation seat control unit
Continuity
Connector Terminal Connector Terminal
LH B487
60B489
60 Existed
RH B498 B500
Rear seat cushion heater
GroundContinuity
Connector Terminal
LH B487
60 Not existed
RH B498

SEATBACK HEATER
SE-33
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
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SEATBACK HEATER
FRONT SEAT
FRONT SEAT : DescriptionINFOID:0000000003846484
Warms the front seatback.
FRONT SEAT : Component Function CheckINFOID:0000000003846485
1.CHECK FUNCTION
When turning the front heated seat switch to the LO and HI mode position, check that the front seatback
heater is operated in each specific mode.
Is the inspection result normal?
YES >> Front seatback heater function is OK.
NO >> Refer to SE-33, "
FRONT SEAT : Diagnosis Procedure".
FRONT SEAT : Diagnosis ProcedureINFOID:0000000003846486
1.CHECK FRONT SEATBACK HEATER SIGNAL 1
1. Turn ignition switch ON.
2. Check voltage between front seatback heater harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK FRONT SEATBACK HEATER CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect front ventilation seat control unit connector and front seatback heater connector.
3. Check continuity between front ventilation seat control unit harness connector and front seatback heater
harness connector.
4. Check continuity between font ventilation seat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace front ventilation seat control unit. Refer to SE-93, "Disassembly and Assembly".
NO >> Repair or replace harness.
(+)
(–) ConditionVoltage (V)
(Approx.) Front seatback heater
Connector Terminal
Driver side B464 58
GroundHeated seatHI and LO mode Battery voltage
Other than above 0
Passenger side B433 58 Heated seatHI and LO mode Battery voltage
Other than above 0
Front ventilation seat control unit Front seatback heater
Continuity
Connector Terminal Connector Terminal
Driver side B465
58B464
58 Existed
Passenger side B441 B433
Front ventilation seat control unit
GroundContinuity
Connector Terminal
Driver side B465
58 Not existed
Passenger side B441

SE-34
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
SEATBACK HEATER
3.CHECK FRONT SEATBACK HEATER SIGNAL 2
Check voltage between front seatback heater harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace front seatback heater. Refer to SE-89, "
Exploded View".
4.CHECK FRONT SEATBACK HEATER CIRCUIT 2
1. Turn ignition switch OFF.
2. Disconnect front seat cushion heater connector and front seatback heater connector.
3. Check continuity between front seat cushion heater harness connector and front seatback heater harness
connector.
4. Check continuity between front seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace front seat cushion heater. Refer to SE-89, "Exploded View".
NO >> Repair or replace harness.
REAR SEAT
REAR SEAT : DescriptionINFOID:0000000003851303
Warms the rear seatback.
REAR SEAT : Component Function CheckINFOID:0000000003851304
1.CHECK FUNCTION
When turning the rear heated seat switch to the LO and HI mode position, check that the rear seatback heater
is operated in each specific mode.
Is the inspection result normal?
YES >> Rear seatback heater function is OK.
NO >> Refer to SE-35, "
REAR SEAT : Diagnosis Procedure".
(+)
(–) ConditionVoltage (V)
(Approx.) Front seatback heater
Connector Terminal
Driver side B464 61
GroundHeated seatHI mode 1.3
LO mode 7.3
Other than above 0
Passenger side B433 61 Heated seatHI mode 1.3
LO mode 7.3
Other than above 0
Front seat cushion heater Front seatback heater
Continuity
Connector Terminal Connector Terminal
Driver side B463
61B464
61 Existed
Passenger side B432 B433
Front seat cushion heater
GroundContinuity
Connector Terminal
Driver side B463
61 Not existed
Passenger side B432

SEATBACK HEATER
SE-35
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
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REAR SEAT : Diagnosis ProcedureINFOID:0000000003846563
1.CHECK REAR SEATBACK HEATER SIGNAL 1
1. Turn ignition switch ON.
2. Check voltage between rear seatback heater harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK REAR SEATBACK HEATER CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect rear ventilation seat control unit connector and rear seatback heater connector.
3. Check continuity between rear ventilation seat control unit harness connector and rear seatback heater
harness connector.
4. Check continuity between rear ventilation seat control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace rear ventilation seat control unit. Refer to SE-100, "Disassembly and Assembly".
NO >> Repair or replace harness.
3.CHECK REAR SEATBACK HEATER SIGNAL 2
1. Check voltage between rear seatback heater harness connector and ground.
Is the inspection result normal?
(+)
(–) ConditionVoltage (V)
(Approx.) Rear seatback heater
Connector Terminal
LH B488 58
GroundHeated seatHI and LO mode Battery voltage
Other than above 0
RH B499 58 Heated seatHI and LO mode Battery voltage
Other than above 0
Rear ventilation seat control unit Rear seatback heater
Continuity
Connector Terminal Connector Terminal
LH B489
58B488
58 Existed
RH B500 B499
Rear ventilation seat control unit
GroundContinuity
Connector Terminal
LH B489
58 Not existed
RH B500
(+)
(–) ConditionVoltage (V)
(Approx.) Rear seatback heater
Connector Terminal
LH B488 61
GroundHeated seatHI mode 1.3
LO mode 7.3
Other than above 0
RH B499 61 Heated seatHI mode 1.3
LO mode 7.3
Other than above 0

SE-36
< COMPONENT DIAGNOSIS >[WITH VENTILATION SEAT]
SEATBACK HEATER
YES >> GO TO 4.
NO >> Replace rear seatback heater. Refer to SE-98, "
Exploded View".
4.CHECK REAR SEATBACK HEATER CIRCUIT 2
1. Turn ignition switch OFF.
2. Disconnect rear seat cushion heater connector and rear seatback heater connector.
3. Check continuity between rear seat cushion heater harness connector and rear seatback heater harness
connector.
4. Check continuity between rear seat cushion heater harness connector and ground.
Is the inspection result normal?
YES >> Replace rear seat cushion heater. Refer toSE-98, "Exploded View".
NO >> Repair or replace harness.
Rear seat cushion heater Rear seatback heater
Continuity
Connector Terminal Connector Terminal
LH B487
61B488
61 Existed
RH B498 B499
Rear seat cushion heater
GroundContinuity
Connector Terminal
LH B487
61 Not existed
RH B498