2006 INFINITI M35 air condition

SE-110
POWER SEAT(REAR)
Revision: 2006 January2006 M35/M45
Rear Door Switch Circuit InspectionNIS0027F
1. CHECK REAR DOOR SWITCH POWER SUPPLY-1
1. Turn ignition switch OFF.
2. Check voltage between rear seat control unit connector and
ground.
OK or NG
OK >> Rear door switch circuit is OK.
NG >> GO TO 2.
2. CHECK REAR DOOR SWITCH HARNESS
1. Disconnect rear seat control unit connector and rear door switch connector.
2. Check continuity between rear seat control unit connector and
rear door switch connector.
3. Check continuity between rear seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between rear seat control unit and rear door switch.
3. CHECK REAR DOOR SWITCH
Check continuity between rear door switch and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace rear door switch.
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Rear seat
control unit
connectorTerminal
B304 (LH)
B354 (RH)16 GroundRear door open. 0
Rear door closed. Battery voltage
PIIB5929E
AB
Continuity
Rear seat control
unit connectorTe r m i n a lRear door switch
connectorTerminal
B304 (LH)
B354 (RH)16B53 (LH)
B403 (RH)2 Yes
A
GroundContinuity
Rear seat control unit connector Terminal
B304 (LH)
B354 (RH)16 No
PIIB5930E
Rear door switch
connectorTerminal Condition Continuity
B53 (LH)
B403 (RH)2 GroundRear door open. Yes
Rear door closed. No
PIIB5931E

SE-124
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
Work FlowNIS0027M
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to SE-113, "
System Description" .
3. Perform the preliminary check. Refer toSE-124, "
Preliminary Check" .
4. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-125,
"Trouble Diagnoses Symptom Chart" .
5. Does climate controlled seat operate normally? YES: GO TO 6, NO: GO TO 4.
6. INSPECTION END.
Preliminary CheckNIS0027N
1. CHECK DUCT AND FILTER
Check the following.
Is that there no foreign body in the blower motor filter.
Is that there no foreign body in the duct.
OK or NG
OK >> Preliminary check is OK.
NG >> The foreign body is removed.
21 GR/LSeat cushion thermal electric
device sensor groundIgnition switch ON 0
22 GR/RSeat cushion thermal electric
device sensor signalBlower motor operated 0.5 – 4
Ignition switch OFF 0
23 L/RSeatback thermal electric
device sensor signalBlower motor operated 0.5 – 4
Ignition switch OFF 0
24 LSeatback thermal electric
device sensor groundIgnition switch ON 0 TerminalWire
ColorItem ConditionVoltage (V)
(Approx)

SE-126
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
Climate Controlled Seat Control Unit Power Supply Circuit CheckNIS0027P
1. CHECK FUSE
Check 10A fuse [No. 12, located in fuse block (J/B)]
NOTE:
Refer to SE-113, "
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-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1. Disconnect climate controlled seat relay connector.
2. Turn ignition switch ON.
3. Check voltage between climate controlled seat relay harness
connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between fuse block (J/B) and
climate controlled seat relay.
3. CHECK CLIMATE CONTROLLED SEAT RELAY
Check continuity climate controlled seat relay.
OK or NG
OK >> GO TO 4.
NG >> Replace climate controlled seat relay.
Terminal
Voltage (V)
(Approx.) (+)
(–)
Climate controlled
seat relay connectorTerminal
E16 2 Ground Battery voltage
PIIB6067E
Climate controlled
seat relay connectorTerminal Condition Continuity
E163512V direct current
supply between
terminals 1and 2Ye s
No current supply No
6712V direct current
supply between
terminals 1and 2Ye s
No current supply No
SEC202B

CLIMATE CONTROLLED SEAT
SE-127
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2006 January2006 M35/M45
4. CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between climate controlled seat relay connec-
tor and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between climate controlled
seat relay and ground.
Climate Controlled Seat Control Unit Power Supply and Ground Circuit Inspec-
tion
NIS0027Q
1. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT POWER SUPPLY CIRCUIT
1. Disconnect climate controlled seat control unit 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 6.
NG >> GO TO 2.
2. CHECK FUSE
Check 15A fuse [No. 42, located in fuse, fusible link and relay unit] (Driver side)
Check 15A fuse [No. 41, located in fuse, fusible link and relay unit] (Passenger side)
NOTE:
Refer to SE-113, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 3.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
Terminal
Continuity
Climate controlled
seat relay connectorTerminal
Ground
E16 1 Yes
PIIB6068E
Terminal
Voltage (V)
(Approx.) (+)
(–)
Climate controlled seat
control unit connectorTerminal
B284
(driver side)
B294
(passenger side)2
Ground Battery voltage
4
PIIB6069E

SE-128
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
3. CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat relay.
3. Check voltage between climate controlled seat relay connector
and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between climate controlled seat relay and ground.
4. CHECK CLIMATE CONTROLLED SEAT RELAY
Check continuity climate controlled seat relay.
OK or NG
OK >> GO TO 5.
NG >> Replace climate controlled seat relay.
Terminal
Voltage (V)
(Approx.) (+)
(–)
Climate controlled
seat relay connectorTe r m i n a l
E165
Ground Battery voltage
7
PIIB6070E
Climate controlled
seat relay connectorTerminal Condition Continuity
E163512V direct current
supply between
terminals 1and 2Ye s
No current supply No
6712V direct current
supply between
terminals 1and 2Ye s
No current supply No
SEC202B

CLIMATE CONTROLLED SEAT
SE-129
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2006 January2006 M35/M45
5. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT HARNESS CIRCUIT
1. Check continuity between climate controlled seat control unit
connector and climate controlled seat relay connector.
2. Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between climate controlled seat control unit and climate controlled seat
relay.
6. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between climate controlled seat control unit con-
nector and ground.
OK or NG
OK >> Climate controlled seat control unit power supply and ground circuit is OK.
NG >> Repair or replace harness between climate controlled seat control unit and ground.
AB
Continuity Climate controlled
seat control unit
connectorTerminalClimate controlled
seat relay
connectorTerminal
B284
(driver side)2
E166
Ye s 4
B294
(passenger side)2
3
4
A
GroundContinuity Climate controlled
seat control unit
connectorTe r m i n a l
B284 (driver side)
B294 (passenger side)2
No
4
PIIB6071E
Terminal Continuity
Climate controlled
seat control unit
connectorTerminal
Ground Yes
B284
(driver side)
B294
(passenger side)3
PIIB6072E

SE-136
CLIMATE CONTROLLED SEAT
Revision: 2006 January2006 M35/M45
2. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE HARNESS
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit connector and seat cushion thermal electric device con-
nector.
3. Check continuity between climate controlled seat control unit
connector and seat cushion thermal electric device connector.
4. Check continuity between climate controlled seat control unit connector and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Repair or replace harness between climate controlled seat control unit and seat cushion thermal
electric device.
Seatback Thermal Electric Device Circuit InspectionNIS0027V
1. CHECK SEATBACK THERMAL ELECTRIC DEVICE POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK >> Seatback thermal electric device circuit is OK.
NG >> GO TO 2.
AB
Continuity Climate
controlled seat
control unit
connectorTe r m i n a lSeat cushion
thermal electric
device
connectorTerminal
B283
(driver side)
B293
(passenger side)5 B285
(driver side)
B295
(passenger side)4
Ye s
66
A
GroundContinuity
Climate controlled seat
control unit connectorTerminal
B283 (driver side)
B293 (passenger side)5
No
6
PIIB6081E
Te r m i n a l
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled
seat control
unit connectorTerminal
B283
(driver side)
B293
(passenger
side)15
GroundClimate
controlled
seat switchHEAT0 - Battery
voltage
Other than above. 0
16Climate
controlled
seat switchCOOL0 - Battery
voltage
Other than above. 0
PIIB6082E

CLIMATE CONTROLLED SEAT
SE-137
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2006 January2006 M35/M45
2. CHECK SEATBACK THERMAL ELECTRIC DEVICE 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 >> Check the condition of the harness and the connector.
NG >> Repair or replace harness between climate controlled seat control unit and seatback thermal elec-
tric device.
Seat Cushion Thermal Electric Device Sensor Circuit InspectionNIS0027W
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.
AB
Continuity Climate
controlled seat
control unit
connectorTerminalSeatback thermal
electric device
connectorTerminal
B283
(driver side)
B293
(passenger side)15 B285
(driver side)
B295
(passenger side)4
Ye s
16 6
A
GroundContinuity
Climate controlled seat
control unit connectorTerminal
B283 (driver side)
B293 (passenger side)15
No
16
PIIB6083E
Terminal
ConditionVoltage (V)
(Approx.) (+)
(–) Climate
controlled seat
control unit
connectorTe r m i n a l
B283
(driver side)
B293
(passenger side)22 GroundBlower motor
operated0.5 - 4
PIIB6084E