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TROUBLE DIAGNOSIS EC-131 C D E F G H I J K L M A EC
2005 Pathfinder DATA MONITOR MODE × : Applicable Monitored item [Unit] ECM INPUT SIG- NALS MAIN SIG- NALS Description Remarks ENG SPEED [rpm] × × ● Indicates the engine speed computed from the ● 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 cer- B/FUEL SCHDL × ● Base fuel schedule indicates the fuel injection A/F ALPHA-B1 [%] × ● The mean value of the air-fuel ratio feedback ● When the engine is stopped, a cer- ● This data also includes the data for A/F ALPHA-B2 [%] × COOLAN TEMP/S ° C] or [ ° F] × × ● The engine coolant temperature (determined ● When the engine coolant tempera- A/F SEN1 (B1) [V] × × ● The A/F signal computed from the input signal 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 cer- HO2S2 MNTR (B2) × VHCL SPEED SE × × ● The vehicle speed computed from the vehicle BATTERY VOLT [V] × × ● The power supply voltage of ECM is dis- ACCEL SEN 1 [V] × × ● The accelerator pedal position sensor signal ● ACCEL SEN 2 signal is converted by ACCEL SEN 2 [V] × THRTL SEN 1 [V] × × ● The throttle position sensor signal voltage is ● THRTL SEN 2 signal is converted by THRTL SEN 2 [V] × FUEL T/TMP SE ° C] or [ ° F] × ● The fuel temperature (determined by the sig- INT/A TEMP SE ° C] or [ ° F] × × ● The intake air temperature (determined by the EVAP SYS PRES × ● The signal voltage of EVAP control system FUEL LEVEL SE × ● The signal voltage of the fuel level sensor is |