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TROUBLE DIAGNOSIS EC-117 C D E F G H I J K L M A EC NOTE: DATA MONITOR (SPEC) MODE NOTE: ● Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically. Voltage ● Voltage, frequency, duty cycle or pulse ● Only “#” is displayed if item is ● Figures with “#”s are temporary Frequency DUTY-HI DUTY-LOW PLS WIDTH-HI PLS WIDTH-LOW CAN COMM × ● Indicates the communication condition ● These items are not displayed in CAN CIRC 1 × CAN CIRC 2 × CAN CIRC 3 × CAN CIRC 4 × CAN CIRC 5 × CAN CIRC 6 × CAN CIRC 7 × Monitored item [Unit] ECM INPUT SIG- NALS MAIN SIG- NALS CAN DIAG PORT MNTR Description Remarks Monitored item [Unit] ECM INPUT SIG- NALS MAIN SIG- NALS Description Remarks ENG SPEED [rpm] × × ● Indicates the engine speed computed MAS A/F SE-B1 [V] × × ● The signal voltage of the mass air flow ● When engine is running specification B/FUEL SCHDL ● “Base fuel schedule” indicates the fuel ● When engine is running specification A/F ALPHA-B1 [%] × ● The mean value of the air-fuel ratio feed- ● When engine is running specification ● This data also includes the data for the |