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1997
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LS 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Body and Frame
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Testing and Inspection
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Component Tests and General Diagnostics
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With Driving Position Memory
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Circuit Inspection
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ECU Power Source Circuit
ECU Power Source Circuit
CIRCUIT DESCRIPTION
This circuit provides power for ECU operation and is also the power source for the sensors.
WIRING DIAGRAM
INSPECTION PROCEDURE