NISSAN 350Z 2007 Z33 Seat Repair Manual

POWER SEAT/FOR ROADSTER
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Revision: 2006 November2007 350Z
Check Seatback Tilt Switch CircuitNIS000A9
1. CHECK SEATBACK TILT SWITCH OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Seatback tilt switch operated, check voltage between passenger seat control unit connector and ground.
OK or NG
OK >> Seatback tilt switch circuit is OK.
NG >> GO TO 2.
2. CHECK SEATBACK TILT SWITCH CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector and seatback tilt switch.
2. Check continuity between passenger seat control unit connector
B353 terminal 8, 9 and seatback tilt switch connector B372 ter-
minal 8, 9.
3. Check continuity between passenger seat control unit connector
B353 terminal 8, 9 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between passenger seat control unit and seatback tilt switch.
3. CHECK SEATBACK TILT SWITCH
Seatback switch operated, check continuity between seatback tilt switch terminal 8, 9 and 40.
OK or NG
OK >> GO TO 4.
NG >> Replace seatback tilt switch.
ConnectorTerminal
(Wire color)Seatback tilt switch
conditionVoltage (V)
(Approx.)
(+) (-)
B3538 (BR)
GroundFORWARD 0
Other than above. Battery voltage
9 (LG)BACKWARD 0
Other than above. Battery voltage
PIIA7773E
8 (BR) - 8 (BR) : Continuity should exist.
9 (LG) - 9 (LG) : Continuity should exist.
8 (BR) - Ground : Continuity should not exist.
9 (LG) - Ground : Continuity should not exist.
PIIA7774E
Terminals Seatback switch condition Continuity
8
40FORWARD Yes
Other than above No
9BACKWARD Yes
Other than above No
PIIA7775E

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4. CHECK SEATBACK TILT SWITCH GROUND CIRCUIT
Check continuity between seatback tilt switch connector B372 termi-
nal 40 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace the harness between seatback tilt
switch and ground.
Check Seatback Tilt Cancel Switch Circuit NIS000AA
1. CHECK SEATBACK TILT CANCEL SWITCH OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Seatback tilt cancel switch operated, check voltage between passenger seat control unit connector and
ground.
OK or NG
OK >> Passenger seatback tilt cancel switch circuit is OK.
NG >> GO TO 2.
2. CHECK SEATBACK TILT CANCEL SWITCH CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector and seatback tilt cancel switch.
2. Check continuity between passenger seat control unit connector
B353 terminal 7 and seatback tilt cancel switch connector B373
terminal 7.
3. Check continuity between passenger seat control unit connector
B353 terminal 7 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between passenger seat con-
trol unit and seatback tilt cancel switch. 40 (B/W) - Ground : Continuity should exist.
PIIA7776E
ConnectorTerminal
(Wire color)Seatback tilt cancel switch
conditionVoltage (V)
(Approx.)
(+) (-)
B353 7 (P) GroundCANCEL 0
AUTO 5
PIIA7777E
7 (P) - 7 (P) : Continuity should exist.
7 (P) - Ground : Continuity should not exist.
PIIA7778E

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3. CHECK SEATBACK TILT CANCEL SWITCH
Seatback tilt cancel switch operated, check continuity between seatback tilt cancel switch terminal 7 and 40C.
OK or NG
OK >> GO TO 4.
NG >> Replace seatback tilt cancel switch.
4. CHECK SEATBACK TILT CANCEL SWITCH GROUND CIRCUIT
Check continuity between seatback tilt cancel switch connector
B373 terminal 40C and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace the harness between seatback tilt can-
cel switch and ground.
Check Soft Top Switch Circuit NIS000AB
1. CHECK SOFT TOP SYSTEM
Soft top is operated.
Operate normally?
Ye s > > G O T O 2 .
No >> Further inspection necessary. Refer to
2. CHECK SOFT TOP SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Soft top switch operated, check voltage between passenger
seat control unit connector and ground.
*: Turn ignition switch ON and depress brake pedal when soft top switch oper-
ates.
OK or NG
OK >> Soft top switch circuit is OK.
NG >> GO TO 3.
Terminals Seatback tilt cancel switch condition Continuity
7 40CCANCEL Yes
AUTO No
PIIA7779E
40C (B/W) - Ground : Continuity should exist.
PIIA7780E
ConnectorTerminal
(Wire color)
Soft top switch conditionVoltage (V)
(Approx.)
(+) (-)
B3535 (R)
GroundOPEN* 0
Other than above Battery voltage
6 (GY)CLOSE* 0
Other than above Battery voltage
PIIA7781E

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3. CHECK SOFT TOP SWITCH CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector and soft top switch.
2. Check continuity between passenger seat control unit connector
B353 terminal 5, 6 and soft top switch connector M14 terminal 3,
4.
3. Check continuity between passenger seat control unit connector
B353 terminal 5, 6 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Repair or replace harness between passenger seat control unit and soft top switch.
Check Power Window Down Request Signal Circuit NIS000AC
1. CHECK POWER WINDOW DOWN REQUEST SUGNAL INPUT
1. Turn ignition switch ON.
2. Check voltage between passenger seat control unit connector
and ground.
*: Turn ignition switch ON and depress brake pedal when soft top switch oper-
ates.
OK or NG
OK >> Power window down request signal circuit is OK.
NG >> GO TO 2.
2. CHECK POWER WINDOW DOWN REQUEST SUGNAL CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect soft top control unit and passenger seat control unit connector.
3. Check continuity between passenger seat control unit connector
B353 terminal 16 and soft top control unit connector B67 termi-
nal 36.
4. Check continuity between passenger seat control unit connector
B353 terminal 16 and ground.
OK or NG
OK >> Power window down request signal circuit is OK. Further
inspection is necessary. Refer to RF-81, "
Check Power
Window Down Request Signal" .
NG >> Repair or replace harness between passenger seat control unit and soft top control unit.5 (R) - 3 (L/B) : Continuity should exist.
6 (GY) - 4 (R/G) : Continuity should exist.
5 (R) - Ground : Continuity should not exist.
6 (GY) - Ground : Continuity should not exist.
PIIA7782E
Con-
nectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B353 16 (PU/W) GroundWhen soft top switch is
turned to OPEN or CLOSE.*0
Other than above. 5
PIIA7788E
16 (PU/W) - 36 (PU) : Continuity should exist.
16 (PU/W) - Ground : Continuity should not exist.
PIIA7787E

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Revision: 2006 November2007 350Z
Check Storage Lid Close Signal Circuit NIS000AD
1. CHECK STORAGE LID CLOSE SIGNAL
1. Turn ignition switch ON.
2. Soft top operates in OPEN, check voltage between passenger seat control unit connector and ground.
OK or NG
OK >> Replace passenger seat control unit.
NG >> GO TO 2.
2. CHECK STORAGE LID CLOSE SIGNAL CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect soft top control unit and storage lid actuator and passenger seat control unit connector.
3. Check continuity between passenger seat control unit connector
B353 terminal 33 and soft top control unit connector B66 termi-
nal 13.
4. Check continuity between passenger seat control unit connector
B353 terminal 33 and ground.
OK or NG
OK >> Storage lid close signal circuit is OK. Further inspection
is necessary. Refer to RF-62, "
Check Storage Lid Actua-
tor (Close Operate)" .
NG >> Repair or replace harness between passenger seat control unit and soft top control unit.
Check Soft Top Lock Switch Circuit NIS000AE
1. CHECK SOFT TOP LOCK SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Soft top operates in CLOSE, check voltage between passenger seat control unit connector and ground.
OK or NG
OK >> Replace passenger seat control unit.
NG >> GO TO 2.
ConnectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B353 33 (G/B) GroundWhen storage lid is in a
closing operationBattery voltage
Other than above. 0
PIIA7789E
33 (G/B) - 13 (L/R) : Continuity should exist.
33 (G/B) - Ground : Continuity should not exist.
PIIA7790E
ConnectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B353 11 (L/W) Ground5th bow full latch switch is
turned to ON0
Other than above 5
PIIA7791E

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Revision: 2006 November2007 350Z
2. CHECK SOFT TOP LOCK SWITCH CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect passenger seat control unit and soft top lock switch connector.
3. Check continuity between passenger seat control unit connector
B353 terminal 11 and soft top lock switch connector T205 termi-
nal 3.
4. Check continuity between passenger seat control unit connector
B353 terminal 11 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between passenger seat con-
trol unit and soft top control unit.
Check Seat Belt Buckle Switch Circuit NIS000AF
1. CHECK SEAT BELT BUCKLE SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between passenger seat control unit connector and ground.
OK or NG
OK >> Seat belt buckle switch circuit is OK.
NG >> GO TO 2.
2. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect passenger seat control unit connector and seat belt buckle switch connector.
3. Check continuity between passenger seat control unit connector
B353 terminal 10 and seat belt buckle switch connector B11 ter-
minal 1.
4. Check continuity between passenger seat control unit connector
B353 terminal 10 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between passenger seat con-
trol unit and seat belt buckle switch. 11 (L/W) - 3 (Y) : Continuity should exist.
11 (L/W) - Ground : Continuity should not exist.
PIIA9714E
ConnectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B353 10 (L/Y) Ground Seat belt.: Fastened 5
: Unfastened 0
PIIA7793E
10 (L/Y) - 1 (W) : Continuity should exist.
10 (L/Y) - Ground : Continuity should not exist.
PIIA7794E

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3. CHECK SEAT BELT BUCKLE SWITCH
Check continuity between seat belt buckle switch terminal 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace seat belt buckle switch.
4. CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch connector B11 ter-
minal 2 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace the harness between seat belt buckle
switch and ground.
Check Vehicle Speed Signal NIS000AG
1. CHECK VEHICLE SPEED SIGNAL
1. Turn ignition switch ON.
2. Check signal between passenger seat control unit connector and body ground with oscilloscope.
OK or NG
OK >> Replace passenger seat control unit.
NG >> GO TO 2.
Terminals Condition Continuity
1 2 Seat belt: Fastened No
: Unfastened Yes
PIIA4072E
2 (B) - Ground : Continuity should exist.
PIIA4662E
ConnectorTerminal
(Wire color)
ConditionSignal
(Reference value)
(+) (-)
B3534
(PU)Groun
dWhen vehicle
speed is
approx. 40 km/
h (25 MPH)
PIIA7795EPIIB0078J

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2. CHECK VEHICLE SPEED SIGNAL CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect passenger seat control unit connector and unified meter and A/C amp.
3. Check continuity between passenger seat control unit connector
B353 terminal 4 and unified meter and A/C amp. connector M49
terminal 34.
4. Check continuity between passenger seat control unit connector
B353 terminal 4 and ground.
OK or NG
OK >> Vehicle speed signal circuit is OK. Further inspection is
necessary. Refer to DI-18, "
Vehicle Speed Signal
Inspection" .
NG >> Repair or replace harness between passenger seat control unit and unified meter and A/C amp.4 (PU) - 34 (L) : Continuity should exist.
4 (PU) - Ground : Continuity should not exist.
PIIA7797E

HEATED SEAT
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Revision: 2006 November2007 350Z
HEATED SEATPFP:87335
DescriptionNIS000AH

When handling seat, be extremely careful not to scratch heating unit.

To replace heating unit, seat trim and pad should be separated.

Do not use any organic solvent, such as thinner, benzene, alcohol, etc. to clean trims.
PIIA9035E

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HEATED SEAT
Revision: 2006 November2007 350Z
SchematicNIS000AI
TIWT0517E