REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine coolant temperature sensor removal/installation are shown below. Necessary Procedures After Parts Removed/Installed/Replaced
PROCEDURE 1. DRAIN ENGINE COOLANT Click here 2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE Click here
3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
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Toyota Avalon Service & Repair Manual > Sfi System: Readiness Monitor Drive Pattern
READINESS MONITOR DRIVE PATTERN PURPOSE OF READINESS TESTS The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities using DTCs (Diagnostic Trouble Codes). Since various components need to be monitored durin ...