Seat Temperature Element: Testing and Inspection

INSPECTION

1. INSPECT SEAT HEATER SWITCH







a. Inspect the seat heater switch continuity.
If continuity is not as specified, replace the seat heater switch.




b. Inspect seat heater switch indicator.
1. Connect the positive (+) lead from the battery to terminal 7 and the negative (-) lead to terminal 6.
2. Turn the driver's side and passenger's side heater switch ON and check that the each indicators light UP.
If the operation is not as specified, replace the seat heater switch.







c. Inspect the seat heater switch resistance.
If the resistance value is not as specified, replace the seat heater switch.







2. INSPECT FRONT SEAT BACK HEATER ASSEMBLY
a. Inspect the seat back heater assembly LH and RH continuity.
If continuity is not as specified, replace the front seat back cover assembly.







3. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY

a. Inspect the seat cushion heater assembly LH and RH continuity.
If continuity is not as specified, replace the front seat cushion cover 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 terminals, as shown.
If continuity is not as specified, replace the seat cushion cover assembly.







4. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY
a. Disconnect the 3 connectors.
b. Inspect the seat heater control.
If the value is not as specified, replace the seat heater control.