Highlander 4WD V6-3.0L (1MZ-FE) (2003)
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Seat Back: Testing and Inspection
INSPECT FRONT SEAT BACK HEATER ASSEMBLY LH
a. Inspect the seat back heater assembly LH continuity.
If continuity is not as specified, replace the seat heater cushion assembly.
b. Inspect the seat cushion thermostat continuity.
1. Disconnect the seat back heater from the seat cushion heater.
2. Heat the thermostat with a light.
3. Inspect the seat cushion heater continuity between terminal, as shown.
If continuity is not as specified, replace the seat heater cushion heater assembly.
INSPECT FRONT SEAT BACK HEATER ASSEMBLY RH
