Yaris L4-1.5L (1NZ-FE) (2007)
Control Assembly: Testing and Inspection
Air Conditioning Panel Assembly (For Sedan)
INSPECTION
1. INSPECT HEATER CONTROL BASE SUB-ASSEMBLY
a. Check the heater control base resistance.
1. Using an ohmmeter, measure the resistance and check the results in accordance with the values in the table given.
If the result is not as specified, replace the heater control base.
b. Check the A/C indicator operation.
1. Connect the positive (+) lead from the battery to terminal 2 (L) and the negative (-) lead to terminal (E).
2. Push the A/C switch in and check that the indicator lights up.
Standard: Indicator lights up
If the result is not as specified, replace the heater control base.
c. Check the illumination operation.
1. Connect the positive (+) lead from the battery to terminal 5 (ILL+) and the negative (-) lead to terminal 6 (ILL-), then check that the bulb
illuminates.
Standard: Bulb illuminates
If the result is not as specified, replace the bulb.