Overdrive Switch, A/T Locations | Celica 2WD L4-20L (3S-FE) (1988)
Overdrive Switch: Testing and Inspection
OD MAIN SWITCH INSPECTION
a. Remove the console box.
b. Using an ohmmeter, measure the resistance between terminals 1 and 3.
Switch "ON" - Resistance: infinity ohms.
Switch "OFF" - Resistance: 0 ohms.