2006 INFINITI M35 Motor

CLIMATE CONTROLLED SEAT
SE-139
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2006 January2006 M35/M45
Seatback Thermal Electric Device Sensor Circuit InspectionNIS0027X
1. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK >> Climate controlled seat control unit circuit is OK.
NG >> GO TO 2.
2. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR HARNESS
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.
3. Check continuity between climate controlled seat control unit
connector and seatback thermal electric device connector.
4. Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between climate seat control unit and seatback thermal electric device.
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled seat
control unit
connectorTe r m i n a l
B283
(driver side)
B293
(passenger side)23 GroundBlower motor
operated0.5 - 4
PIIB6087E
AB
Continuity Climate
controlled seat
control unit
connectorTerminalSeatback thermal
electric device
connectorTerminal
B283
(driver side)
B293
(passenger side)23 B220
(driver side)
B258
(passenger side)1
Ye s
24 2
A
GroundContinuity
Climate controlled seat
control unit connectorTerminal
B283 (driver side)
B293 (passenger side)23
No
24
PIIB6088E

SE-140
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
3. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR
Check resistance between seatback thermal electric device connec-
tor.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace seatback thermal electric device.
Climate Controlled Seat Blower Motor Circuit InspectionNIS0027Y
1. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit and climate controlled seat blower motor connector.
3. Check continuity between climate controlled seat control unit
connector and climate controlled seat blower motor connector.
4. Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness between climate controlled seat control unit and climate controlled seat
blower motor.
Seatback thermal electric
device connectorTe r m i n a l Resistance
(K)
(Approx.)
B220
(driver side)
B258
(passenger side)12 2
PIIB6086E
AB
Continuity Climate
controlled seat
control unit
connectorTe r m i n a lClimate controlled
seat blower motor
connectorTerminal
B283
(driver side)
B293
(passenger side)7
B282
(driver side)
B292
(passenger side)3
Ye s 14 2
17 4
18 1
A
GroundContinuity
Climate controlled seat
control unit connectorTerminal
B283
(driver side)
B293
(passenger side)7
No 14
17
18
PIIB6089E

CLIMATE CONTROLLED SEAT
SE-141
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2006 January2006 M35/M45
2. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY CIRCUIT
1. Connect climate controlled seat control unit connector and blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace climate controlled seat control unit.
3. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT
Check voltage between climate controlled seat control unit connec-
tor and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace climate controlled seat control unit.
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled
seat control unit
connectorTerminal
B283
(driver side)
B293
(passenger
side)14 GroundClimate
controlled
seat switchHEAT or
COOL5.5 -
Battery voltage
Other than above. 0
PIIB6090E
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled
seat control
unit connectorTerminal
B283
(driver side)
B293
(passenger
side)17 GroundClimate
controlled
seat switchHEAT or
COOL4.5 - 8.0
Other than above. 0
PIIB6091E

SE-142
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
4. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR TACHOMETER SIGNAL CIRCUIT
Check voltage between climate controlled seat control unit connec-
tor and ground.
OK or NG
OK >> Climate controlled seat blower motor circuit is OK.
NG >> Replace climate controlled seat blower motor.
Climate Controlled Seat Control Unit InspectionNIS0027Z
1. CHECK THE CLIMATE CONTROLLED SEAT CONTROL UNIT
Does the heater operate normally when the driver side or passenger side climate controlled seat control unit is
exchanged?
YES or NO
YES >> Climate controlled seat control unit is OK.
NO >> Replace climate controlled seat control unit.
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled
seat control
unit connectorTerminal
B283
(driver side)
B293
(passenger
side)18 GroundClimate
controlled
seat switchHEAT or
COOL4.5 - 8.0
Other than above. 0
PIIB6092E

SE-164
FRONT SEAT
Revision: 2006 January2006 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

SE-166
FRONT SEAT
Revision: 2006 January2006 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. Seat inner finisher
22. Seat cushion finisher B 23. Blower motor assembly 24. Seat cushion thermal electrical
device (TED) assembly
25. Climate controlled seat control unit 26. Seat cushion finisher C 27. Seat harness assembly
28. Seat belt buckle 29. Seat cushion assembly

SE-170
FRONT SEAT
Revision: 2006 January2006 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

STC-2Revision: 2006 January2006 M35/M45 Inspection 2: Motor Power Supply System ............. 35
Inspection 3: RAS Motor Output Malfunction ......... 37
Inspection 4: Vehicle Speed Signal ........................ 38
Inspection 5: Steering Angle Signal Malfunction .... 38
Inspection 6: Rear Main Signal and Rear Sub Signal
Malfunction ............................................................. 40
Inspection 7: VDC Malfunction ............................... 42
Inspection 8: Engine Speed Signal Malfunction ..... 43
Inspection 9: CAN Communication System Mal-
function ................................................................... 43Inspection 10: Stop Lamp Switch Harness ............. 44
Inspection 11: RAS Warning Lamp Harness ........... 44
Diagnosis Chart by Symptom 1 .............................. 46
Diagnosis Chart by Symptom 2 .............................. 46
Check RAS Static/Dynamic Characteristics ............ 48
Component Parts Inspection ................................... 49
RAS MOTOR RELAY ........................................... 49
RAS MOTOR ....................................................... 49
REAR WHEEL STEERING ANGLE SENSOR .... 49