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Toyota Truck
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2006
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Highlander 4WD L4-2.4L (2AZ-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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Manufacturer Code Charts
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DTC 21
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Power Window Control System
Power Window Control System
DTC B1221/21 Power Window Switch Circuit on Driver Door
DESCRIPTION
DTC Detecting Condition:
This DTC is output when any switch of the multiplex network master switch is ON.
Step 1:
INSPECTION PROCEDURE