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DTC P1146 HO2S2 EC-427 [KA24DE] C D E F G H I J K L M A EC DTC Confirmation Procedure UBS00ELY NOTE: WITH CONSULT-II TESTING CONDITION: °C (32 to 86 °F). 1. Turn ignition switch ON and select “DATA MONITOR” mode with 2. Start engine and warm it up to the normal operating tempera- 3. Turn ignition switch OFF and wait at least 10 seconds. 4. Start engine and keep the engine speed between 3,500 and 5. Let engine idle for 1 minute. 6. Select “HO2S2 (B1) P1146” of “HO2S2” in “DTC WORK SUP- 7. Start engine and following the instruction of CONSULT-II. 8. Make sure that “OK” is displayed after touching “SELF-DIAG RESULTS”. EC-430, "Diagnostic Procedure" . If “CAN NOT BE DIAGNOSED” is displayed, perform the following. a. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle). b. Return to step 1. Overall Function Check UBS00DA6 Use this procedure to check the overall function of the heated oxygen sensor 2 circuit. During this check, a CAUTION: Always drive vehicle at a safe speed. WITH GST 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Start engine and keep engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load. 4. Let engine idle for 1 minute. SEF189Y PBIB0818E |