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Home >> Lexus >> 1995 >> SC 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Heating and Air Conditioning >> DTC 21

DTC 21








A photo diode in the solar sensor detects solar radiation and sends signals to the air conditioning control assembly.

Diagnostic Chart:




Wiring Diagram:






Inspection Procedure - Step 1:




Step 2:




Step 3:




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