Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 36 72 20twy pstr4000
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72-58
SEAT - SEAT HEATER SYSTEM
720IV-01
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symp-
toms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by
checking the suspected areas in the order they are listed. Replace parts as necessary.
Symptom Suspected Area See Page
1. S-HTR fuse 68-1
2. ECU-IG fuse 68-1
3. IG1 relay 68-1
4. Front seat cushion heater assy LH 72-60
5. Front seat cushion heater assy RH 72-60
Seat heaters do not operate
6. Front seatback heater assy LH 72-60
(Seat does not warmed up)
7. Front seatback heater assy RH 72-60
8. Seat heater switch LH 72-60
9. Seat heater switch RH 72-60
10. Seat heater control
11. Wire harness
1. Seat heater switch LH 72-60
2. Seat heater switch RH 72-60
Temperature of seat heater cannot be adjusted
3. Seat heater control
4. Wire harness
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3304
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