2007 INFINITI M35 control unit

HEATED SEAT
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Revision: 2007 April2007 M35/M45
3. CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK >> GO TO 4.
NG >> Replace rear heated seat switch.
4. CHECK REAR HEATED SEAT SWITCH GROUND CIRCUIT
Check continuity between rear heated seat switch connector and
ground.
OK or NG
OK >> GO TO 5.
NG >> Replace or replace harness between rear heated seat
switch and ground.
5. CHECK REAR HEATED SEAT SWITCH POWER SUPPLY-2
1. Connect rear seat control unit.
2. Turn ignition switch ON.
3. Check voltage between rear seat control unit connector and
ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace rear seat control unit.
Rear heated
seat switch
connectorTerminal Condition Continuity
B507 (LH)
B558 (RH)1
3Rear heated
seat switch HIGH Yes
Other than above. No
2Rear heated
seat switchLOW Yes
Other than above. No
PIIB6003E
Terminal
Continuity
Rear heated seat
switch connectorTerminal
Ground
B507 (LH)
B558 (RH)3Yes
PIIB6004E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Rear seat control
unit connectorTerminal
B304 (LH)
B354 (RH)17
Ground 5
18
PIIB6001E

HEATED SEAT
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Revision: 2007 April2007 M35/M45
3. CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace rear heated seat switch.
Check Rear Heated Seat Indicator CircuitNIS0028B
1. CHECK REAR SEAT CONTROL UNIT POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between rear seat control unit connector and
ground.
OK or NG
OK >> Replace rear heated seat switch.
NG >> GO TO 2.
Rear heated seat
switch connectorTe r m i n a l
Continuity
(+) (-)
B507 (LH)
B558 (RH)4
6Yes
5
64
No
5
PIIB6007E
Te r m i n a l
ConditionVoltage (V)
(Approx.) (+)
(–) Rear seat
control unit
connectorTerminal
B304 (LH)
B354 (RH)9
GroundRear heated
seat switch HIGH 0
Other than above. Battery voltage
14Rear heated
seat switch LOW 0
Other than above. Battery voltage
PIIB6008E

SE-160
HEATED SEAT
Revision: 2007 April2007 M35/M45
2. CHECK REAR HEATED SEAT INDICATOR HARNESS
1. Turn ignition switch OFF.
2. Disconnect rear seat control unit and rear heated seat switch connector.
3. Check continuity between rear heated seat switch connector
and rear seat control unit connector.
4. Check continuity between rear heated seat switch connector
and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace or replace harness between rear heated seat switch and rear seat control unit.
3. CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK >> Replace rear seat control unit.
NG >> Replace rear heated seat switch.
AB
Continuity
Rear heated seat
switch connectorTerminalRear seat control
unit connectorTerminal
B507 (LH)
B558 (RH)4
B304 (LH)
B354 (RH)9
Ye s
514
A
GroundContinuity
Rear heated seat
switch connectorTerminal
B507 (LH)
B558 (RH)4
No
5
PIIB6009E
Rear heated seat
switch connectorTerminal
Continuity
(+) (-)
B507 (LH)
B558 (RH)4
6Yes
5
64
No
5
PIIB6007E

HEATED SEAT
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Revision: 2007 April2007 M35/M45
Check Rear Heated Seat CircuitNIS0028C
1. CHECK REAR SEAT CONTROL UNIT
1. Turn ignition switch ON.
2. Check voltage between rear seat control unit connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Replace rear seat control unit.
2. CHECK REAR SEAT HEATER HARNESS
1. Turn ignition switch OFF.
2. Disconnect rear seat control unit and rear seat cushion heater connector.
3. Check continuity between rear seat control unit connector and
rear seat cushion heater connector.
4. Check continuity between rear seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Replace or replace harness between rear seat control unit and rear seat cushion heater.
Te r m i n a l
ConditionVoltage (V)
(Approx.) (+)
(–) Rear seat
control unit
connectorTe r m i n a l
B303 (LH)
B353 (RH)5
GroundRear heated
seat switchHIGH Battery voltage
Other than above. 0
6Rear heated
seat switchLOW Battery voltage
Other than above. 0
PIIB6010E
AB
Continuity
Rear seat control
unit connectorTerminalRear seat cushion
heater connectorTerminal
B303 (LH)
B353 (RH)5
B309 (LH)
B359 (RH)1
Ye s
62
A
GroundContinuity
Rear seat control
unit connectorTerminal
B303 (LH)
B353 (RH)5
No
6
PIIB6011E

SE-162
HEATED SEAT
Revision: 2007 April2007 M35/M45
3. CHECK REAR SEAT HEATER CIRCUIT
1. Connect rear seat control unit and rear seat cushion heater connector.
2. Turn ignition switch ON.
3. Check voltage between rear seat cushion heater connector and
ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace rear seat cushion heater.
Check Rear Seatback Heater CircuitNIS0028D
1. CHECK REAR SEAT HEATER CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear seat cushion heater connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Replace rear seat cushion heater.
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Rear seat
cushion heater
connectorTerminal
B309 (LH)
B359 (RH)3 GroundRear heated
seat switchHIGH Battery voltage
LOW 6
Other than above. 0
PIIB6012E
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Rear seat
cushion heater
connectorTerminal
B309 (LH)
B359 (RH)3 GroundRear heated
seat switchHIGH Battery voltage
LOW 6
Other than above. 0
PIIB6012E

FRONT SEAT
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Revision: 2007 April2007 M35/M45
1. Front leg cover 2. Rear leg cover 3. Headrest
4. Seatback board 5. Seat speaker grill 6. Headrest holder (free)
7. Headrest holder (locked) 8. Seatback upper finisher 9. Side air bag module
10. Reclining device cover 11. Seatback trim 12. Seatback pad
13. Seatback frame 14. Seat speaker 15. Seatback thermal electrical device
(TED) assembly
16. Seat cushion rear finisher
(Climate controlled seat model)17. Seat cushion front finisher 18. Seat slide switch knob
19. Seat reclining switch knob 20. Seat cushion outer finisher 21. Lumber support switch assembly
22. Seat cushion lower finisher 23. Seat cushion inner finisher 24. Seat cushion pad
25. Seat cushion trim 26. Seat cushion finisher B 27. Seat cushion frame
28. Seat cushion thermal electrical
device (TED) assembly29. Blower motor assembly 30. Climate controlled seat control unit
31. Seat control switch 32. Driver seat control unit 33. Seat cushion finisher C
34. Seat harness 35. Seat belt buckle 36. Seat adjuster assembly

FRONT SEAT
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Revision: 2007 April2007 M35/M45
1. Front leg cover 2. Rear leg cover 3. Headrest
4. Seatback board 5. Seat speaker grill 6. Headrest holder (free)
7. Headrest holder (locked) 8. Seatback upper finisher 9. Side air bag module
10. Reclining device cover 11. Seatback trim 12. Seatback pad
13. Seatback frame 14. Seat speaker 15. Seatback thermal electrical device
(TED) assembly
16. Seat cushion rear finisher
(Climate controlled seat model)17. Seat cushion front finisher 18. Seat cushion slide switch
19. Seat reclining switch 20. Seat cushion outer finisher 21. Lumber support switch assembly
22. Seat inner finisher 23. Seat cushion finisher B 24. Blower motor assembly
25. Seat cushion thermal electrical
device (TED) assembly26. Climate controlled seat control unit 27. Seat cushion finisher C
28. Seat harness assembly 29. Seat belt buckle 30. Seat cushion assembly

FRONT SEAT
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Revision: 2007 April2007 M35/M45

Remove the seat cushion front finisher.
: Pawl
: Clip

Remove the seat reclining switch knob and seat slide switch
knob.

Pull seat cushion outer finisher forward, and then disconnect
the pawls and clips.
: Pawl
: Clip

Lift the rear part of the seat cushion outer finisher backward,
and then remove the seat cushion outer finisher.

Remove the harness connector clamp of lumber support switch.

Removal the lumber support switch.

Remove the seat cushion inner finisher.
: Pawl

Remove the retainers from the lower side of front seat. (Driver's seat only)

Remove the hog rings to separate the trim and pad. (Driver's seat only)
2. Remove the nuts, and then remove the seat cushion frame. (Driver's seat only)
3. Remove each unit which is attached to seat cushion frame and seat adjuster assembly.

Remove the screws, and then remove the climate controlled seat control unit.

Remove the screws, and then remove the blower motor.

Remove the bands, and then remove the seat cushion thermal electrical device (TED) assembly.
PIIB3346J
PIIB3348J
PIIB3350J
PIIB3351J