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TROUBLE DIAGNOSIS EC-125 C D E F G H I J K L M A EC *: This item is the same as that of 1st trip freeze frame data. DATA MONITOR MODE × : Applicable S-FUEL TRM-B1 [%] ● “Short-term fuel trim” at the moment a malfunction is detected is displayed. ● The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel S-FUEL TRM-B2 [%] ENGINE SPEED ● The engine speed at the moment a malfunction is detected is displayed. VEHICL SPEED ● The vehicle speed at the moment a malfunction is detected is displayed. ABSOL TH-P/S [%] ● The throttle valve operating angle at the moment a malfunction is detected is displayed. B/FUEL SCHDL ● The base fuel schedule at the moment a malfunction is detected is displayed. INT/A TEMP SE ° C] or [ ° F] ● The intake air temperature at the moment a malfunction is detected is displayed. Freeze frame data item* Description Monitored item [Unit] ECM INPUT SIG- NALS MAIN SIG- NALS Description Remarks ENG SPEED [rpm] × × ● Indicates the engine speed computed from ● Accuracy becomes poor if engine ● If the signal is interrupted while the MAS A/F SE-B1 [V] × × ● The signal voltage of the mass air flow sensor ● When the engine is stopped, a certain B/FUEL SCHDL × ● “Base fuel schedule” indicates the fuel injec- A/F ALPHA-B1 [%] × ● The mean value of the air-fuel ratio feedback ● When the engine is stopped, a certain ● This data also includes the data for the A/F ALPHA-B2 [%] × COOLAN TEMP/S ° C] or [ ° F] × × ● The engine coolant temperature (determined ● When the engine coolant temperature A/F SEN1 (B1) [V] × × ● The A/F signal computed from the input sig- A/F SEN1 (B2) [V] × HO2S2 (B1) [V] × ● The signal voltage of the heated oxygen sen- HO2S2 (B2) [V] × HO2S2 MNTR(B1) × ● Display of heated oxygen sensor 2 signal: ● When the engine is stopped, a certain HO2S2 MNTR(B2) × VHCL SPEED SE × × ● The vehicle speed computed from the vehicle |