Page 4360 of 4647

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
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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
Page 4362 of 4647

HEATED SEAT
SE-163
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2007 April2007 M35/M45
2. CHECK REAR SEAT HEATER HARNESS
1. Turn ignition switch OFF.
2. Disconnect rear seat cushion heater and rear seatback heater connector.
3. Check continuity between rear seat cushion heater connector
and rear seatback heater connector.
4. Check continuity between rear seat cushion heater connector
and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace or replace harness rear seat cushion heater and rear seatback heater.
3. CHECK REAR SEAT HEATER GROUND CIRCUIT
Check continuity between rear seatback heater connector and
ground.
OK or NG
OK >> Replace rear seatback heater.
NG >> Replace or replace harness rear seatback heater and
ground.
AB
Continuity
Rear seat cushion
heater connectorTerminalRear seatback
heater connectorTerminal
B309 (LH)
B359 (RH)3 B310 (LH)
B360 (RH)1Yes
A
GroundContinuity
Rear seat cushion
heater connectorTerminal
B309 (LH)
B359 (RH)3No
PIIB6013E
Terminal
Continuity
Rear seatback
heater connectorTerminal
Ground
B310 (LH)
B360 (RH)2Yes
PIIB6014E