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Toyota Truck
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2007
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Highlander 4WD V6-3.3L (3MZ-FE) Hybrid
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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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U Code Charts
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U0424
U0424
DTC U0424-537 Invalid Data Received from HVAC Control Module
DESCRIPTION
DTC Detection Condition:
If there is a malfunction in the A/C amplifier assembly, DTC U0424-537 will be output.
Step 1:
INSPECTION PROCEDURE