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A/C Switch Indicator does not Turn On [11/2023 - ]: Description

If none of the switch indicators on the air conditioning control assembly illuminate, the following factors may be the cause.

Malfunction Status Factor
A/C switch indicator does not illuminate
  • Air conditioning amplifier assembly malfunction
  • Air conditioning control assembly malfunction
  • A/C switch malfunction
  • A/C switch indicator malfunction (including when indicator turned off without switch operation)
  • Servo motor initialization (incomplete)
  • Mechanical locking of damper and damper link
  • Refrigerant pressure is extremely low
  • Low detected ambient temperature (including thermistor assembly malfunction)
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