Highlander 4WD V6-3.3L (3MZ-FE) (2004)
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If the result is not as specified, replace the seat heater switch.
b. Push the seat heater switch ON and check that the seat heater switch indicator illuminates.
If the result is not as specified, replace the switch or bulb.
c. Check that the seat heater switch indicator illuminates
If the result is not as specified, replace the switch or bulb.
3. INSPECT SEAT HEATER RELAY
a. Check the resistance of the relay.
If the result is not as specified, replace the relay.
