Celica L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1990)
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5. Inspect indicator dimming operation.
a. Connect the positive (+) lead from the battery to terminal A-5 and the negative (-) lead to terminal C-10.
b. Connect the positive (+) lead from the battery to terminal A-6 and check that the mode indicator dims.
If operation is not as specified, replace the A/C control assembly.
SWITCHES
1. Inspect air inlet control switch continuity.
With Auto A/C.
Without Auto A/C.
If operation is not as specified, replace the A/C control assembly.
2. Inspect mode control switch continuity.
