Component Tests and General Diagnostics

INSPECTION







1. LH side:
INSPECT SEAT HEATER (FRONT) SWITCH
a. Check the resistance between the terminals when the switch is operated.
If the result is not as specified, replace the switch.




b. Push the seat heater switch ON and check the seat heater switch indicator illuminates.
If the result is not as specified, replace the switch.







c. Check the seat heater switch indictor illuminates.
If the result is not as specified, replace the switch or bulb.







2. RH side:
INSPECT SEAT HEATER (FRONT) SWITCH
a. Check the resistance between the terminals when the switch is operated.
If the result is not as specified, replace the switch.




b. Push the seat heater switch ON and check the seat heater switch indicator illuminates.
If the result is not as specified, replace the switch.







c. Check the seat heater switch indictor illuminates.
If the result is not as specified, replace the switch or bulb.







3. INSPECT SEPARATE TYPE FRONT SEATBACK COVER LH
a. Check the resistance of the seatback heater.
If the result is not as specified, replace the seatback cover.







4. INSPECT SEPARATE TYPE FRONT SEATBACK COVER RH
a. Check the resistance of the seatback heater.
If the result is not as specified, replace the seatback cover.







5. INSPECT SEPARATE TYPE FRONT SEAT CUSHION COVER LH
a. Check the resistance of the seat cushion heater.
If the result is not as specified, replace the seat cushion cover.







6. INSPECT SEPARATE TYPE FRONT SEAT CUSHION COVER RH
a. Check the resistance of the seat cushion heater.
If the result is not as specified, replace the seat cushion cover.







7. INSPECT RELAY (IG1)
a. Check the resistance of the IG1 relay.
If the result is not as specified, replace the relay.