Component Function Check

Without CONSULT-III 

1. Start engine and warm it up to the normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
4. Let engine idle for 1 minute.
5. Open engine hood.
6. Check the voltage between ECM harness connector and ground under the following condition.
   TERMINALS VOLTAGE REFERENCE
   
   

   DTC	ECM		Ground	Condition	Voltage
   	Connector	Terminal
   P0420	F102	76 [HO2S2 (bank 1)]	Ground	Keeping engine speed at 2500 rpm constant under no load	The voltage fluctuation cycle takes more than 5 seconds. 1 cycle: 0.6 - 1.0 → 0 - 0.3 → 0.6 - 1.0
   P0430		80 [HO2S2 (bank 2)]

Is the inspection result normal? 

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".