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DTC P0139, P0159 HO2S2 EC-235 C D E F G H I J K L M A EC
2005 Pathfinder DTC Confirmation Procedure UBS00K74 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. Make sure that “COOLAN TEMP/S” indicates more than 70 ° C (158 ° F). If not, warm up engine and go to next step when “COOLAN ° C (158 ° F). 7. Select “HO2S2 (B1) P0139” or “HO2S2 (B2) P0159” of “HO2S2” in “DTC WORK SUPPORT” mode with 8. Start engine and following the instruction of CONSULT-II. NOTE: 9. Make sure that “OK” is displayed after touching “SELF-DIAG RESULTS”. EC-240, "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 UBS00K75 Use this procedure to check the overall function of the heated oxygen sensor 2 circuit. During this check, a 1st WITH GST 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. Set voltmeter probes between ECM terminal 74 [HO2S2 (B1) signal] or 55 [HO2S2 (B2) signal] and SEF174Y PBIB2374E |