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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-453 . CIRCUIT OPERATION • The camshaft position sensor power is supplied from the ECM (terminal No. 9). • Terminal No. 2 of the camshaft position sensor is grounded with ECM (terminal No. 30). • A 5-volt voltage is applied on the camshaft posi- tion sensor output terminal (terminal No. 3) from . TECHNICAL DESCRIPTION • The camshaft position sensor functions to detect the top dead center position of the number 1 cyl- • When the engine is running, the camshaft posi- tion sensor outputs a pulse signal. • The ECM checks whether pulse signal is input while the engine is cranking. . DESCRIPTIONS OF MONITOR METHODS • Crankshaft position sensor signal does not change. • Crankshaft position sensor signal is not normal pattern. . 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 . AK700416 AB Camshaft Exhaust gas B-112 (GR) Connector: B-112 AK700401AB ECM B-10 (GR) Connector: B-10 |