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P0137, P0157 HO2S2 EC-615 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O P0137, P0157 HO2S2 Component Description INFOID:0000000005273587 The heated oxygen sensor 2, after three way catalyst (manifold), On Board Diagnosis Logic INFOID:0000000005273588 The heated oxygen sensor 2 has a much longer switching time DTC Confirmation Procedure INFOID:0000000005273589 NOTE: 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. WITH CONSULT-III TESTING CONDITION: ° C (32 to 86 ° F). 1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III. 2. Start engine and warm it up to the normal operating temperature. 3. Turn ignition switch OFF and wait at least 10 seconds. 4. Turn ignition switch ON. 5. Turn ignition switch OFF and wait at least 10 seconds. 6. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load. SEF327R SEF259VA DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0137 Heated oxygen sensor 2 The maximum voltage from the sensor is not • Harness or connectors (The sensor circuit is open or shorted) • Heated oxygen sensor 2 P0157 |