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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-131 . CIRCUIT OPERATION • 5-volt voltage is applied to the engine coolant temperature sensor output terminal (terminal No. • The engine coolant temperature sensor is a neg- ative temperature coefficient type of resistor. It • The engine coolant temperature sensor output voltage increases when the resistor increases . TECHNICAL DESCRIPTION • The engine coolant temperature sensor converts the engine coolant temperature to a voltage and • The ECM <M/T> or PCM <A/T> checks whether this voltage is within a specified range. . DESCRIPTIONS OF MONITOR METHODS does not change for specified period when °C (45°F). . MONITOR EXECUTION . MONITOR EXECUTION CONDITIONS (Other Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Volume airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor . AK300081 CONNECTOR: B-11 ENGINE AB B-11 (B) AK300244 CONNECTOR: C-55 <A/T> AG PCM C-55 (GR) AK300091 CONNECTOR: C-58 <M/T> ECM AC C-58 (GR) |