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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-152 . 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 resistance increases . TECHNICAL DESCRIPTION • The engine coolant temperature sensor converts the engine coolant temperature to a voltage and • The PCM checks whether this voltage is within a specified range. . DESCRIPTIONS OF MONITOR METHODS Engine coolant temperature sensor output voltage is out of specified range. . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS 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) • Not applicable . AK303013 CONNECTORS: B-21, B-22 PCM AB AIR CLEANER B-22 (B) B-21 (B) |