Celica L4-1998cc 2.0L DOHC (3S-GE) (1986)
Air Conditioning Switch: Testing and Inspection
1. Disconnect negative cable from battery.
2. Remove center cluster.
3. Disconnect A/C switch connector.
4. (with Heater)Check A/C switch for continuity. Using an ohmmeter, check continuity between the terminals for each switch position as shown in
the table.
If there is no continuity as specified, replace the A/C switch.
(with out Heater) Using an ohmmeter, check resistance between the terminals 2 and 3 for each lever position as shown in the table.
5. Connect A/C switch connector.
6. Install center cluster.
7. Connect negative cable to battery.