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Rear Panel Switch Operation not Accepted [12/2019 - 10/2022]: Description

If the air conditioning system cannot be operated using the No. 2 air conditioning control assembly, the following factors may be the cause.

Symptom Factor
Air conditioning system cannot be operated using No. 2 air conditioning control assembly
  1. (With the exception of the switch indicators, no inputs are reflected when other switches operated)
  • LIN communication malfunction between air conditioning amplifier assembly and No. 2 air conditioning control assembly
  • Short to +B or ground in air conditioning amplifier assembly circuit
  • Air conditioning amplifier assembly malfunction
  • No. 2 air conditioning control assembly malfunction
  • Harness or connector
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