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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-61 < SYSTEM DESCRIPTION > [HR12DE (TYPE 1)] C D E F G H I J K L M A EC N P O *: Although the state is indicated as “LOW” the cooling fan operates at high speeds. ACTIVE TEST MODE Test Item ALT DUTY % • Indicates the duty ratio of the power generation command value. The ratio is calculated by ECM BAT CUR SEN mV • The signal voltage of battery current sensor is displayed. A/F ADJ-B1 — • Indicates the correction of factor stored in ECM. The factor is calculated from the difference be- P/N POSI SW ON/OFF • Indicates [ON/OFF] condition from the park/neu- tral position (PNP) switch signal. INT/A TEMP SE ° C or ° F • The intake air temperature (determined by the signal voltage of the intake air temperature sen- AC PRESS SEN V • The signal voltage from the refrigerant pressure sensor is displayed. EGR TEMP SEN V • The signal voltage of EGR temperature sensor is displayed. FPCM Hi/Mid/Low/ Off • The control condition of the fuel pump control module (FPCM) (determined by ECM according THRTL STK CNT B1 — • The number of cloggings in the throttle valve closed position is displayed. HO2 S2 DIAG2 (B1) — NOTE: A/F SEN1 DIAG2 — NOTE: Monitored item Unit Description Remarks TEST ITEM CONDITION JUDGMENT CHECK ITEM (REMEDY) ENG COOLANT • Engine: Return to the original trouble condition • Change the engine coolant tem- perature using CONSULT-III. If trouble symptom disappears, see • Harness and connectors sensor • Fuel injector FUEL INJECTION • Engine: Return to the original trouble condition • Change the amount of fuel injec- tion using CONSULT-III. If trouble symptom disappears, see • Harness and connectors PURG VOL CONT/V • Engine: After warming up, run en- gine at 1,500 rpm. • Change the EVAP canister purge volume control solenoid valve Engine speed changes according • Harness and connectors |