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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-649 TECHNICAL DESCRIPTION • The accelerator pedal position sensor (sub) out- puts voltage which corresponds to the accelera- • The ECM checks whether the voltage is within a specified range. . DESCRIPTIONS OF MONITOR METHODS Accelerator pedal position sensor (sub) output volt- age 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 . DTC SET CONDITIONS . Check Condition • Ignition switch is "ON" position. Judgement Criterion • Accelerator pedal position sensor (sub) output voltage is 0.2 volt or less for 0.3 second. . FAIL-SAFE AND BACKUP FUNCTION • Throttle opening degree is restricted. position if accelerator pedal position sensor . OBD-II DRIVE CYCLE PATTERN None. . TROUBLESHOOTING HINTS (The most • Accelerator pedal position sensor failed. sor (sub) circuit, harness damage or connector • ECM failed. AK800588 Good Malfunction End No No Output voltage <= 0.2V Start Yes Yes Continuous failure for 0.3sec |