Corolla S Sedan L4-1.8L (1ZZ-FE) (2002)
Seat Belt Reminder Lamp: Pinout Values and Diagnostic Parameters
U1 UNLOCK WARNING SW
1 - 2 : Closed with the ignition key in cylinder
B8 BUCKLE SW
1 - 2 : Closed with the driver's seat belt in use
I11(A) INTEGRATION RELAY
9 - GROUND
: Approx. 12 volts with the ignition SW at ON position
7 - GROUND
: Always continuity
(A) 5 - GROUND: Continuity with the driver's seat belt in use
(A) 4 - GROUND: Continuity with the ignition key in cylinder
(A) 3 - GROUND: Always approx. 12 volts
8 - GROUND
: Continuity with the front LH door open