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Home >> Toyota >> 2007 >> Yaris L4-1.5L (1NZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection >> Air Conditioning Panel Assembly (For Hatchback)
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Air Conditioning Panel Assembly (For Hatchback)

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.




2. INSPECT HEATER CONTROL SUB-ASSEMBLY
a. Check the heater control 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.

b. Check the illumination operation.
1. Connect the positive (+) lead from the battery to terminal 2 (ILL+) and the negative (-) lead to terminal 1 (ILL-), then check that the bulb illuminates.

Standard: Bulb illuminates

If the result is not as specified, replace the bulb.




3. INSPECT NO. 3 HEATER CONTROL KNOB
a. Check the No. 3 heater control knob 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 No. 3 heater control knob.

b. Check the Rr.DEF indicator operation.
1. Connect the positive (+) lead from the battery to terminal 3 (IG) and the negative (-) lead to terminal 1 (E).
2. Push the Rr.DEF switch in and check that the indicator lights up.

Standard: Indicator lights up

If the result is not as specified, replace the No. 3 heater control knob.

c. Check the illumination operation.
1. Connect the positive (+) lead from the battery to terminal 5 (ILL+) and the negative (-) lead to terminal 4 (ILL-), then check that the bulb illuminates.

Standard: Bulb illuminates

If the result is not as specified, replace the bulb.
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