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Toyota
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1999
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Celica ST Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI
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Repair and Diagnosis
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Cruise Control
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Testing and Inspection
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Component Tests and General Diagnostics
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ECU Power Source Circuit
ECU Power Source Circuit
CIRCUIT DESCRIPTION
The ECU power source supplies power to the actuator and sensors, etc. when terminal GND and the
cruise control ECU
case are grounded.
WIRING DIAGRAM
Step 1:
Step 2:
Step 3:
INSPECTION PROCEDURE