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Toyota Truck
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2003
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4 Runner 4WD V6-4.0L (1GR-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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C Code Charts
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C1257
C1257
DTC C1257 Power Supply Drive Circuit Malfunction
CIRCUIT DESCRIPTION
DTC Detecting Condition:
Wiring Diagram:
Step 1 - 3:
Step 4:
INSPECTION PROCEDURE
