2007 NISSAN 350Z air condition

SE-44
POWER SEAT/FOR ROADSTER
Revision: 2006 November2007 350Z
Check Passenger Seat Control Unit Power Supply and GroundNIS000A1
1. CHECK PASSENGER SEAT CONTROL UNIT POWER SUPPLY
Check voltage between passenger seat control unit connector B354
terminal 34, 39 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> GO TO 2.
2. CHECK BCM OUTPUT POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and passenger seat control unit connector.
3. Check continuity between BCM connector M91 terminal 54 and
passenger seat control unit connector B354 terminal 39.
4. Check continuity between BCM connector M91 terminal 54 and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness between BCM and pas-
senger seat control unit.
3. CHECK PASSENGER SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between passenger seat control unit connector
B354 terminal 40, 48 and ground.
OK or NG
OK >> Check the harness between power seat control unit and
fuse block and the 10A fuse (#18).
NG >> Repair or replace the harness between passenger seat
control unit and ground.
Check Passenger Seat Control Unit Ignition Signal Circuit NIS000A2
1. CHECK FUSE

Check 10A fuse [No.9, located in the fuse block (J/B)].

Check 10A fuse [No.12, located in the fuse block (J/B)].
NOTE:
Refer to SE-15, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" . 34 (R/W) - Ground : Battery voltage.
39 (R) - Ground : Battery voltage.
PIIB1164E
54 (W) - 39 (R) : Continuity should exist.
54 (W) - Ground : Continuity should not exist.
PIIB1163E
40 (B/W) - Ground : Continuity should exist.
48 (B) - Ground : Continuity should exist.
PIIA7755E

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Revision: 2006 November2007 350Z
2. CHECK PASSENGER SEAT CONTROL UNIT POWER SUPPLY
Check voltage between passenger seat control unit and ground.
OK or NG
OK >> Replace passenger seat control unit.
NG >> Repair or replace the harness between passenger seat
control unit and fuse block (J/B).
Check Passenger Side Seat Sliding Motor Circuit NIS000A3
1. CHECK SLIDING MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect sliding motor connector.
3. Sliding switch operated, check voltage between sliding motor connector and ground.
OK or NG
OK >> Replace sliding motor.
NG >> GO TO 2.
2. CHECK SLIDING MOTOR CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector.
2. Check continuity between passenger seat control unit connector
B354 terminal 37, 45 and sliding motor connector B344 terminal
37, 45.
3. Check continuity between passenger seat control unit connector
B354 terminal 37, 45 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between passenger seat control unit and sliding motor.
Connec-
torTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B3531 (W)
Ground Ignition switch : START
Battery voltage
2 (L) : ON
PIIB1165E
ConnectorTerminal
(Wire color)
Sliding switch conditionVoltage (V)
(Approx.)
(+) (-)
B34437 (SB)
GroundBACKWARD Battery voltage
Other than above 0
45 (Y)FORWARD Battery voltage
Other than above 0
PIIA7757E
37 (SB) - 37 (SB) : Continuity should exist.
45 (Y) - 45 (Y) : Continuity should exist.
37 (SB) - Ground : Continuity should not exist.
45 (Y) - Ground : Continuity should not exist.
PIIA7756E

SE-46
POWER SEAT/FOR ROADSTER
Revision: 2006 November2007 350Z
Check Passenger Side Seat Reclining Motor Circuit NIS000A4
1. CHECK RECLINING MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect reclining motor connector.
3. Reclining switch operated, check voltage between reclining motor and ground.
OK or NG
OK >> Replace reclining motor.
NG >> GO TO 2.
2. CHECK RECLINING MOTOR CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector.
2. Check continuity between passenger seat control unit connector
B354 terminal 35, 42 and reclining motor connector B358 termi-
nal 35, 42.
3. Check continuity between passenger seat control unit connector
B354 terminal 35, 42 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between passenger seat control unit and reclining motor.
ConnectorTerminal
(Wire color)
Reclining switch conditionVoltage (V)
(Approx.)
(+) (-)
B35835 (G)
GroundBACKWARD Battery voltage
Other than above 0
42 (OR)FORWARD Battery voltage
Other than above 0
PIIA7759E
35 (G) - 35 (G) : Continuity should exist.
42 (OR) - 42 (OR) : Continuity should exist.
35 (G) - Ground : Continuity should not exist.
42 (OR) - Ground : Continuity should not exist.
PIIA7758E

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Check Passenger Side Seat Reclining Sensor Circuit NIS000A5
1. CHECK RECLINING SENSOR OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between passenger seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Passenger side seat reclining motor circuit is OK.
NG1 >> When voltage waveform dose not appear with a constant voltage (approx. 5V), GO TO 3.
NG2 >> When voltage waveform dose not appear with a constant voltage (approx. 0V), GO TO 2.
2. CHECK RECLINING SENSOR CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector.
2. Check continuity between passenger seat control unit connector
B354 terminal 3, 41 and ground.
OK or NG
OK >> Replace passenger seat control unit.
NG >> Repair or replace harness between passenger seat con-
trol unit and reclining motor.
3. CHECK RECLINING SENSOR CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector.
2. Check continuity between passenger seat control unit connector
B354 terminal 3, 41 and reclining motor connector B358 termi-
nal 3, 41.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between passenger seat con-
trol unit and reclining motor.
Con-
nectorTerminal
(Wire color)
ConditionSignal
(Reference value)
(+) (-)
B353 3 (Y) GroundWhen reclining
motor is oper-
ated.
PIIA7761ESIIA0692J
3 (Y) - Ground : Continuity should not exist.
41 (Y/B) - Ground : Continuity should not exist.
PIIA7853E
3 (Y) - 3 (Y) : Continuity should exist.
41 (Y/B) - 41 (Y/B) : Continuity should exist.
PIIA7760E

SE-48
POWER SEAT/FOR ROADSTER
Revision: 2006 November2007 350Z
4. CHECK RECLINING SENSOR GROUND CIRCUIT
1. Connect passenger seat control unit connector.
2. Check continuity between passenger seat control unit connector
B354 terminal 41and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace passenger seat control unit.
Check Passenger Side Seat Sliding Switch Circuit NIS000A6
1. CHECK SLIDING SWITCH OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Sliding switch operated, 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 SLIDING SWITCH CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector and power seat switch connector.
2. Check continuity between passenger seat control unit connector
B353 terminal 14, 15 and power seat switch connector B357 ter-
minal 14, 15.
3. Check continuity between passenger seat control unit connector
B353 terminal 14, 15 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between passenger seat control unit and power seat switch.41 (Y/B) - Ground : Continuity should exist.
PIIB1166E
ConnectorTerminal
(Wire color)
Sliding switch conditionVoltage (V)
(Approx.)
(+) (-)
B35314 (Y)
GroundFORWARD 0
Other than above Battery voltage
15 (SB)BACKWARD 0
Other than above Battery voltage
PIIA7766E
14 (Y) - 14 (Y) : Continuity should exist.
15 (SB) - 15 (SB) : Continuity should exist.
14 (Y) - Ground : Continuity should not exist.
15 (SB) - Ground : Continuity should not exist.
PIIA7767E

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Revision: 2006 November2007 350Z
3. CHECK POWER SEAT SWITCH
Sliding switch operated, check continuity between power seat switch terminal 14, 15 and 40B.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace power seat switch.
Check Passenger Side Seat Reclining Switch Circuit NIS000A7
1. CHECK RECLINING SWITCH OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Reclining switch operated, check voltage between passenger seat control unit connector and ground.
OK or NG
OK >> Passenger side seat reclining switch circuit is OK.
NG >> GO TO 2.
2. CHECK RECLINING SWITCH CIRCUIT HARNESS
1. Disconnect passenger seat control unit connector and power seat switch connector.
2. Check continuity between passenger seat control unit connector
B353 terminal 12, 13 and power seat switch connector B357 ter-
minal 12, 13.
3. Check continuity between passenger seat control unit connector
B353 terminal 12, 13 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between passenger seat control unit and power seat switch.
Terminals Sliding switch condition Continuity
14
40BFORWARD Yes
Other than above No
15BACKWARD Yes
Other than above No
PIIA7768E
ConnectorTerminal
(Wire color)
Reclining switch conditionVoltage (V)
(Approx.)
(+) (-)
B35312 (OR)
GroundFORWARD 0
Other than above Battery voltage
13 (G)BACKWARD 0
Other than above Battery voltage
PIIA7769E
12 (OR) - 12 (OR) : Continuity should exist.
13 (G) - 13 (G) : Continuity should exist.
12 (OR) - Ground : Continuity should not exist.
13 (G) - Ground : Continuity should not exist.
PIIA7770E

SE-50
POWER SEAT/FOR ROADSTER
Revision: 2006 November2007 350Z
3. CHECK POWER SEAT SWITCH
Reclining switch operated, check continuity between power seat switch terminal 12, 13 and 40B.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace power seat switch.
Check Passenger Side Power Seat Switch Ground Circuit NIS000A8
1. CHECK POWER SEAT SWITCH
1. Turn ignition switch OFF.
2. Disconnect power seat switch connector.
3. Check continuity between power seat switch terminal 12, 13, 14, 15 and 40B.
OK or NG
OK >> GO TO 2.
NG >> Replace power seat switch.
2. CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch connector B357 termi-
nal 40B and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace the harness between power seat
switch and ground.
Terminals Reclining switch condition Continuity
12
40BFORWARD Yes
Other than above No
13BACKWARD Yes
Other than above No
PIIA7771E
Terminals Condition Continuity
12
40BWhen reclining switch is turned to forward Yes
Other than above No
13When reclining switch is turned to backward Yes
Other than above No
14When sliding switch is turned to forward Yes
Other than above No
15When sliding switch is turned to backward Yes
Other than above No
PIIA7852E
40B (B/W) - Ground : Continuity should exist.
PIIA7772E

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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