Supra Liftback L6-2997cc 3.0L DOHC MFI Twin-Turbo (1997)
Door/Trunk Ajar Indicator/Lamp: Testing and Inspection
INSPECT OPEN DOOR WARNING LIGHT
Disconnect the connector from the door courtesy switch, ground terminal 1 on the wire harness side connector and check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire harness.