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2003
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LX 470 V8-4.7L (2UZ-FE)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Heating and Air Conditioning
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DTC 21
DTC 21
DTC 21 - Solar Sensor Circuit
CIRCUIT DESCRIPTION
Detection Item:
A photo diode in the solar sensor detects solar radiation and sends signals to the A/C amplifier.
Wiring Diagram:
Step 1:
Step 2 - 3:
INSPECTION PROCEDURE