Avalon XLS V6-3.0L (1MZ-FE) (1998)
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Control Assembly: Testing and Inspection
Upper Panel
1. Manual A/C:
INSPECT A/C INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2.
b. Push the A/C button in and check that the A/C indicator lights up.
If operation is not as specified, replace the heater control assembly.
c. Connect the positive (+) lead from the battery to terminal 8 and negative (-) lead to terminal 10, then check that the indicator dimes.
If operation is not as specified, replace the heater control assembly.
2. Auto A/C:
INSPECT A/C INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 9 and negative (-) lead to terminal 2.
b. Check that the A/C indicator lights up.
If operation is not as specified, replace the heater control assembly.
3. Manual A/C:
INSPECT AIR INLET INDICATORS OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminals 6 and 7.
b. Check 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 heater control assembly.
