FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Scion
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2006
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xB L4-1.5L (1NZ-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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U Code Charts
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U0121
U0121
DTC U0121/94 CAN Communication Function Fault
Step 1:
INSPECTION PROCEDURE
