Component Tests and General Diagnostics

1. INSPECT FRONT SEAT CUSHION HEATER ASSY RH
a. Inspect the seat cushion thermostat continuity.
1. Disconnect the seat back heater from the seat cushion heater.
2. Heat the temperature sensor and thermostat with a light.
3. Inspect the seat cushion heater continuity between terminals, as shown.
If continuity is not as specified, replace the seat heater cushion heater assembly.




2. INSPECT FRONT SEAT CUSHION HEATER ASSY LH
a. Inspect the seat cushion thermostat continuity.
1. Disconnect the seat back heater from the seat cushion heater.
2. Heat the temperature sensor and thermostat with a light.
3. Inspect the seat cushion heater continuity between terminals, as shown.
If continuity is not as specified, replace the seat heater cushion heater assembly.







3. INSPECT FRONT SEAT BACK HEATER ASSY RH
a. Inspect the seat back heater assembly RH continuity.
If continuity is not as specified, replace the seat heater cushion assembly.







4. INSPECT FRONT SEAT BACK HEATER ASSY LH
a. Inspect the seat back heater assembly LH continuity.
If continuity is not as specified, replace the seat heater cushion assembly.