Page 1697 of 2234
B70879Hook
±
SEAT REAR SEAT ASSY (UNITED FIXED)
72±33
AVENSIS REPAIR MANUAL (RM1018E)
10. INSTALL REAR SEAT CUSHION ASSY
(a) Place the 2 hooks in the body firmly.
(b) Insert the frame into the 2 hooks.
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Page 1698 of 2234
720JF±01
B67299
LHD Models
RHD ModelsInstrument Panel J/B Assy
SEAT HTR Relay
S±HTR Fuse
Instrument Panel J/B Assy
SEAT HTR Relay
S±HTR Fuse
72±34
±
SEAT SEAT HEATER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
SEAT HEATER SYSTEM
LOCATION
http://vnx.su
Page 1699 of 2234
B67826
Front Seat Cushion Heater Assy RHFront Seatback Heater Assy RH
Seat Heater Switch
Seat Heater Control Sub±
Assy RH
Front Seatback Heater Assy LHSeat Heater Control Sub±
Assy LH
Front Seat Cushion Heater Assy LH
±
SEAT SEAT HEATER SYSTEM
72±35
AVENSIS REPAIR MANUAL (RM1018E)
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Page 1700 of 2234
720JG±01
72±36
±
SEATSEAT HEATER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee Page
Seat heaters do not operate
(Seat is not warmed up)
1. SEAT HTR relay
2. S±HTR fuse
3. Seat heater switch
4. Seat heater control sub±assy LH
5. Seat heater control sub±assy RH
6. Front seat cushion heater assy LH
7. Front seat cushion heater assy RH
8. Front seatback heater assy LH
9. Front seatback heater assy RH
10.Wire harness72±34
72±37
72±34
72±34
72±37
72±34
72±34
72±34
72±37
72±34
72±37
72±34
72±37
72±34
72±37
Temperature of seat heater cannot be adjusted
1. Seat heater switch
2. Seat heater control sub±assy LH
3. Seat heater control sub±assy RH
4. Wire harness72±34
72±37
72±34
72±34
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Page 1701 of 2234
720JH±01
\b\b
B70589
A B
12 12345
(k )
65
18
0
0
0.42 ± 0.28 4.08 ± 2.72
ON
OFF
65
B70591
12 12345
A
B
±
SEAT SEAT HEATER SYSTEM
72±37
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. LH side:
INSPECT SEAT HEATER SWITCH
(a) Check the seat heater switch resistance.
Tester ConnectionSwitch PositionSpecified Condition
OFF10 k or higher
B±2 ± B±4ON
(Minimum ± Maximum)Below 1
OFF10 kor higher
B±2 ± B±3ON
(Minimum ± Maximum)Refer to illustration
If the continuity is not as specified, replace the switch.
(b) Turn the seat heater switch ON and check the seat heater switch indicator illuminates.
Tester ConnectionSpecified Condition
Battery positive voltage B±2
Battery negative voltage B±5Illuminates
If the result is not as specified, replace the switch.
(c) Check the seat heater switch illuminates.
Tester ConnectionSpecified Condition
Battery positive voltage B±1
Battery negative voltage B±5Illuminates
If the result is not as specified, replace the switch or bulb.
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Page 1702 of 2234
\b\b
B70880
12 12345
(k )
65
18
0
0
0.42 ± 0.28 4.08 ± 2.72
ON
OFF 65
AB
B70881
12
12345
A
B
72±38
±
SEAT SEAT HEATER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2. RH side: INSPECT SEAT HEATER SWITCH
(a) Check the seat heater switch resistance.
Tester ConnectionSwitch PositionSpecified Condition
OFF10 k or higher
B±2 ± A±1ON
(Minimum ± Maximum)Below 1
OFF10 kor higher
B±2 ± A±2ON
(Minimum ± Maximum)Refer to illustration
If the continuity is not as specified, replace the switch.
(b) Turn the seat heater switch ON and check the seat heater switch indicator illuminates.
Tester ConnectionSpecified Condition
Battery positive voltage B±2
Battery negative voltage B±5Illuminates
If the result is not as specified, replace the switch.
(c) Check the seat heater switch indicator illuminates.
Tester ConnectionSpecified Condition
Battery positive voltage B±1
Battery negative voltage B±5Illuminates
If the result is not as specified, replace the switch or bulb.
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Page 1703 of 2234

B70436
12
B70436
12
12
B68349
A B
12
B68349
AB
B68374
2 1
5
3
±
SEAT SEAT HEATER SYSTEM
72±39
AVENSIS REPAIR MANUAL (RM1018E)
3. INSPECT SEPARATE TYPE FRONT SEATBACK COV-
ER LH
(a) Check the resistance of the seatback heater.
Tester ConnectionSpecified Condition
1 ± 2Below 1
If the result is not as specified, replace the seatback cover.
4. INSPECT SEPARATE TYPE FRONT SEATBACK COV-
ER RH
(a) Check the resistance of the seatback heater.
Tester ConnectionSpecified Condition
1 ± 2Below 1
If the result is not as specified, replace the seatback cover.
5. INSPECT SEPARATE TYPE FRONT SEAT CUSHION
COVER LH
(a) Check the resistance of the seat cushion heater.
Tester ConnectionSpecified Condition
A±1 ± B±1
A±2 ± A±3Below 1
A±4 ± B±2
If the result is not as specified, replace the seat cushion cover.
6. INSPECT SEPARATE TYPE FRONT SEAT CUSHION
COVER RH
(a) Check the resistance of the seat cushion heater.
Tester ConnectionSpecified Condition
A±1 ± B±1
A±2 ± A±3Below 1
A±4 ± B±2
If the result is not as specified, replace the seat cushion cover.
7. INSPECT RELAY (SEAT HTR)
(a) Check the resistance of the relay.
Standard:
Tester ConnectionSpecified Condition
10 k or higher
3 ± 5Below 1
(When battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay.
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Page 1704 of 2234
73092±02
B68827
Fuel Lid Lock Control Assy
Fuel Lid Opener Switch
±
THEFT DETERRENT & DOOR LOCK FUEL LID OPENER SYSTEM
73±27
AVENSIS REPAIR MANUAL (RM1018E)
FUEL LID OPENER SYSTEM
LOCATION
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