Celica 2WD L4-2.0L (3S-FE) (1988)
4. Inspect blower switch continuity, if continuity is not as specified in illustration, replace the heater controls.
5. Inspect the air vent mode switch continuity between terminals.
If continuity is not as specified, replace heater control.
6. Inspect Recirc/Fresh control switch operation.
a. With the positive (+) battery lead connected to terminal A2 and the negative (-) battery lead connected to terminal A16, check that the
RECIRC indicator light comes on.