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Test No. 18: Driver Or Passenger Seat Heater Does Not Operate

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check suspect seat heater switch. See SEAT HEATER SWITCH  under COMPONENT TESTS. If seat heater switch is okay, go to next step.
  2. Check suspect seat heater elements. See SEAT HEATER ELEMENTS  under COMPONENT TESTS. If seat heater elements are okay, go to next step.
  3. Check wiring harnesses and connectors between seat heater switch and seat heater elements. See POWER SEATS in SYSTEM WIRING DIAGRAMS article. Repair wiring harnesses and connectors as necessary. After repairs have been made, perform confirmation test. See CONFIRMATION TEST .
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