xB L4-2.4L (2AZ-FE) (2009)
(a) Check the No. 3 heater control resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard resistance:
If the result is not as specified, replace the No. 3 heater control.
(b) Check the A/C indicator operation.
(1) Connect the positive (+) lead from the battery to terminal 2 (B) and the negative (-) lead to terminal 4 (AIND).
(2) Push the air conditioning switch in and check that the indicator lights up.
OK:
Indicator lights up
If the result is not as specified, replace the No. 3 heater control.
(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.
OK:
Bulb illuminates
If the result is not as specified, replace the bulb.