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2003
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Celica GT L4-1.8L (1ZZ-FE)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Displaying & Reading Trouble Codes
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Without Scan Tool
Without Scan Tool
TOYOTA does not provide a procedure for Reading Trouble Codes Without a Scan Tool.