Diesel Data: Automotive Repair

Seat Temperature Switch: Testing and Inspection

Seat Heater Switch Inspection (If Equipped)

With seat heater switch (1) pressed, measure seat heater switch resistance at auto A/C panel connector between the following terminals: "12" and "21" for driver seat; "12" and "16" for passenger seat.
If check result is not as specified, replace auto A/C panel.

Seat heater switch standard resistance
: 6.6 - 8 M Ohms at 20 °C (68 °F)