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Enable Conditions ENABLE CONDITIONS Malfunction Threshold One of these conditions must be met for at least 2 seconds. No return signal "HIGH" is detected when the PCM output duty is less than 20%. Return signal does not change when the PCM output duty is more than 20% and less than 80%. No return signal "LOW" is detected when the PCM output duty is more than 80%. Driving Pattern Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan Diagnosis Details Conditions for illuminating the MIL When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the Conditions for clearing the MIL The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by DTC P0137 (161): ADVANCED DIAGNOSTICS DTC P0137: REAR SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S (BANK 1, DTC Type One drive cycle, MIL ON OBD Status PASSED/FAILED/NOT COMPLETED (STILL TESTING) Condition
State of the engine Running Other During rear A/F sensor heater operation
2007 Acura RL 2007 ENGINE PERFORMANCE Advanced Diagnostics - RL
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