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PART REPLACED ENGINE OPERATION LEARNING VALUE RESET*1 IDLE LEARNING*2 Spark plug Ignition coil assembly EGR valve assembly Air leaks from intake system Gas leaks from exhaust system The items in the list above do not apply. - - Knock sensor*4 - - - ○: Necessary. NOTICE: Engine learned values cannot be reset by disconnecting the battery negative (-) terminal or removing the EFI NO. 1 and ETCS fuses. *1: Learning Value Reset Connect the Techstream to the DLC3. a. Turn the ignition switch to ON. b. Turn the Techstream on. c. Enter the following menus: Powertrain / Engine and ECT / Utility / Learning Value Reset. d. Confirm the following conditions as instructed on the screen. - Ignition switch ON - Engine stopped - Battery voltage is higher than 9 V e. After confirming, select "Next" and initialize the learned value. HINT: If a message indicating learned value initialization failure is displayed on the screen, confirm the execution conditions, and perform learned value initialization again. f. #1, A/F Learn Value High #1, A/F Learn Value Idle #2, A/F Learn Value Low #2, A/F Learn Value Mid1 #2, A/F Learn Value Mid2 #2 and A/F Learn Value High #2) in the Data List. If 0 is displayed for all the air fuel ratio learned values, initialization has completed correctly. other than 0 is displayed, replace the ECM. g. *2: Idle Learning Turn the ignition switch off and wait for at least 30 seconds. a. Start the engine and warm it up until the engine coolant temperature is 80°C (176°F) or higher. HINT: Learning starts when the engine coolant temperature is 80°C (176°F) or higher. b. 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZA... |