Supra L6-2997cc 3.0L DOHC MFI (1998)
Seat Heater Switch: Testing and Inspection
INSPECT SEAT HEATER SWITCH CONTINUITY
If continuity is not as specified, replace the switch or bulb.
INSPECT SEAT HEATER SWITCH INDICATOR
a. Connect the positive (+) lead from the battery to terminal 2 and 6 and the negative (-) lead to terminal 1
b. Push the switches, check that the indicator lights up.
If operation is not as specified, replace the switch and inspect the circuits connected to other parts.