Celica GT-S L4-1.8L (2ZZ-GE) (2000)
Key Reminder Switch: Pinout Values and Diagnostic Parameters
B8 BUCKLE SW LH
1-2
: Opened with the driver's seat belt in use
D3 DOOR COURTESY SW LH
1-GROUND: Closed with the LH door open
U1 UNLOCK WARNING SW
2-1
: Closed with the ignition key in the cylinder