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PRECAUTIONS EC9-11 < PRECAUTION > [R9M] C D E F G H I J K L M A EC9 N P O When performing an inspection and its related work with the engine at idle, always turn the stop/start On Board Diagnostic (OBD) System of Engine INFOID:0000000010308915 The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver of CAUTION: • Be sure to turn the ignition switch OFF and disconnect the negative battery cable before any repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will • Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will cause the MI to light up due to the open circuit. (Be sure the connector is free from water, grease, • Certain systems and components, especially those related to OBD, may use a new style slide-lock- ing type harness connector. For description and how to disconnect, refer to . • Be sure to route and secure the harnesses properly after work. The interference of the harness with a bracket, etc. may cause the MI to light up due to the short circuit. • Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube may cause the MI to light up due to the malfunction of the fuel injection system, etc. • Be sure to erase the unnecessary malfunction information (repairs completed) from the ECM before returning the vehicle to the customer. |