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Home >> Lexus >> 2005 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection
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Control Assembly: Testing and Inspection

Driver's side:
INSPECT TRACTION CONTROL SWITCH (CLIMATE CONTROL SWITCH FRONT)







a. Measure the resistance between the terminals when the switch is operated.

HINT: As the dial is being turned, the resistance changes gradually.

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




b. Check that the climate control switch indicator illuminates.

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




c. Check that the climate control switch illuminates.

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

Passenger's side:
INSPECT TRACTION CONTROL SWITCH (CLIMATE CONTROL SWITCH FRONT)







a. Measure the resistance between the terminals when the switch is operated.

HINT: As the dial is being turned, the resistance changes gradually.

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




b. Check that the climate control switch indicator illuminates.

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




c. Check that the climate control switch illuminates.

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