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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-125 < FUNCTION DIAGNOSIS > [VQ37VHR] C D E F G H I J K L M A EC N P O BATTERY VOLT V • The power supply voltage of ECM is displayed. ACCEL SEN 1 V • The accelerator pedal position sensor signal volt- age is displayed. • ACCEL SEN 2 signal is converted by ECM internally. Thus, they differs ACCEL SEN 2 TP SEN 1-B1 V • The throttle position sensor signal voltage is dis- played. • TP SEN 2-B1 signal is converted by ECM internally. Thus, they differs TP SEN 2-B1 FUEL T/TMP SE ° C or ° F • The fuel temperature (determined by the signal voltage of the fuel tank temperature sensor) is INT/A TEMP SE ° C or ° F • The intake air temperature (determined by the signal voltage of the intake air temperature sen- EVAP SYS PRES V • The signal voltage of EVAP control system pres- sure sensor is displayed. FUEL LEVEL SE V • The signal voltage of the fuel level sensor is dis- played. START SIGNAL ON/OFF • Indicates start signal status [ON/OFF] computed by the ECM according to the signals of engine • After starting the engine, [OFF] is dis- played regardless of the starter sig- CLSD THL POS ON/OFF • Indicates idle position [ON/OFF] computed by ECM according to the accelerator pedal position AIR COND SIG ON/OFF • Indicates [ON/OFF] condition of the air condition- er switch as determined by the air conditioner sig- P/N POSI SW ON/OFF • Indicates [ON/OFF] condition from the park/neu- tral position (PNP) switch signal. PW/ST SIGNAL ON/OFF • [ON/OFF] condition of the power steering system (determined by the signal voltage of the power LOAD SIGNAL ON/OFF • Indicates [ON/OFF] condition from the electrical load signal. IGNITION SW ON/OFF • Indicates [ON/OFF] condition from ignition switch signal. HEATER FAN SW ON/OFF • Indicates [ON/OFF] condition from the heater fan switch signal. BOOST VCUM SW ON/OFF • Always a certain value is displayed. BRAKE SW ON/OFF • Indicates [ON/OFF] condition from the stop lamp switch signal. INJ PULSE-B1 msec • Indicates the actual fuel injection pulse width compensated by ECM according to the input sig- • When the engine is stopped, a certain computed value is indicated. INJ PULSE-B2 IGN TIMING BTDC • Indicates the ignition timing computed by ECM according to the input signals. • When the engine is stopped, a certain value is indicated. CAL/LD VALUE % • “Calculated load value” indicates the value of the current air flow divided by peak air flow. MASS AIRFLOW g·m/s • Indicates the mass air flow computed by ECM ac- cording to the signal voltage of the mass air flow Monitored item Unit Description Remarks |