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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-75 < FUNCTION DIAGNOSIS > [QR25DE] C D E F G H I J K L M A EC N P O ACTIVE TEST MODE Test Item A/F ADJ-B1 • Indicates the correction factor stored in ECM. BAT CUR SEN [mV] • The signal voltage of battery current sen- sor is displayed. ALT DUTY SIG • The control condition of the power gener- ation voltage variable control (determined I/P PULLY SPD • indicates the engine speed computed from the input speed sensor signal. Monitored item [Unit] ECM INPUT SIG- NALS MAIN SIG- NALS Description Remarks TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY) FUEL INJEC- • 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 IGNITION TIM- • Engine: Return to the original trouble condition • Timing light: Set CONSULT-III. If trouble symptom disappears, see • Perform Idle Air Volume Learning. POWER BAL- • Engine: After warming up, idle the engine. • A/C switch OFF (M/T) • Cut off each injector signal one at a time using CONSULT-III. Engine runs rough or dies. • Harness and connectors 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 sor • Fuel injector FUEL PUMP RE- • Ignition switch: ON (Engine stopped) • Turn the fuel pump relay ON and OFF using CONSULT-III and lis- Fuel pump relay makes the operat- • Harness and connectors PURG VOL • Engine: After warming up, run en- gine at 1,500 rpm. • Change the EVAP canister purge volume control solenoid valve Engine speed changes according to • Harness and connectors FUEL/T TEMP • Change the fuel tank temperature using CONSULT-III. |