Highlander 2WD L4-2.4L (2AZ-FE) (2001)
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Seat Heater: Component Tests and General Diagnostics
INSPECTION
1. INSPECT SEAT HEATER (FRONT) SWITCH
a. Inspect the seat heater switch LH continuity.
If continuity is not as specified, replace the seat heater switch.
b. Inspect the seat heater switch RH continuity.
If continuity is not as specified, replace the seat heater switch.
2. INSPECT SEAT HEATER RELAY