Celica Liftback L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1992)
Inspect Illumination
1. Connect the positive (+) lead from the battery to terminal A-18 and the negative (-) lead to terminal A-17.
2. Check that the illumination lights up.
If the illumination does not light up, test the bulb.
Indicators
1. Inspect air inlet indicator.
a. Connect the positive (+) lead from the battery to terminal A-1 and the negative (-) lead to terminal A-2.
b. Check that the FRESH and RECIRC indicators light up alternately each time the air inlet control switch button is pressed.
If operation is not as specified, replace the A/C control assembly.
2. Inspect mode indicator.
a. Connect the positive (+) lead from the battery to terminal A-1 and the negative (-) lead to terminal A-2.
b. Push each of the mode buttons in and check that their indicators light up.
If operation is not as specified, replace the A/C control assembly.
3. (with A/C) Inspect A/C indicator.
a. Connect the positive (+) lead from the battery to terminal A-1 and the negative (-) lead to terminal A-15.
b. Push the A/C switch button in and check that the indicator lights up.
If operation is not as specified, replace the A/C control assembly.
4. Inspect indicator light dimming operation.
a. Connect the positive (+) lead from the battery to terminal A-1 and the negative (-) lead to terminal A-2.
b. Connect the positive (+) lead from the battery to terminal A-3 and check that the indicators dim.