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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-339 . CIRCUIT OPERATION • A voltage corresponding to the oxygen concen- tration in the exhaust gas is sent to the PCM (ter- • Terminal No. 2 of the left bank heated oxygen sensor (rear) is grounded with PCM (terminal No. . TECHNICAL DESCRIPTION • The output signal of the left bank heated oxygen sensor (front) is compensated by the output sig- • The PCM checks for an open circuit in the left bank heated oxygen sensor (rear) output line. . DESCRIPTIONS OF MONITOR METHODS stays low when air/fuel ratio is forced to be rich. . MONITOR EXECUTION . MONITOR EXECUTION CONDITIONS (Other Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Heated oxygen sensor heater (front) monitor • Heated oxygen sensor heater (rear) monitor • Air/fuel ratio feedback monitor AK201279 CONNECTOR: C-15 C-15(B) AD LEFT BANK AK201049 CONNECTOR: D-116 D-116 AC AK201052 E-112 AB CONNECTOR: E-112 AK201038AF CONNECTOR: D-135 PCM D-135(GR) AK201049 D-14 AB CONNECTOR: D-14 |