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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-487 . CIRCUIT OPERATION • The camshaft position sensor power is supplied from the MFI relay (terminal No. 1). • Terminal No. 1 of the camshaft position sensor is grounded with PCM (terminal No. 88). • A 5-volt voltage is applied on the camshaft posi- tion sensor output terminal (terminal No. 2) 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 PCM checks whether pulse signal is input while the engine is cranking. . DESCRIPTIONS OF MONITOR METHODS • Camshaft position sensor signal does not change. • Camshaft position sensor signal is not normal pattern. . 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) • Not applicable . AK200963 CAMSHAFT POSITION AB B-10(B) CONNECTOR: B-10 AK201039 MFI RELAY B-22X AB CONNECTOR: B-22X AK201038 CONNECTOR: D-134 AD PCM D-134(GR) AK201058 B-08(GR) AB CONNECTOR: B-08 |