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DTC P0137, P0157 HO2S2 EC-277 C D E F G H I J K L M A EC Revision: 2006 July 2007 Murano Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- Diagnostic Procedure NBS0038E 1. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten two ground screws on the body. OK or NG OK >> GO TO 2. NG >> Repair or replace ground connections. TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 6 L/R Heated oxygen sensor 2 [Engine is running] ● Engine speed: Below 3,600 rpm after the – Engine: After warming up – Keeping the engine speed between 3,500 0 - 1.0V [Ignition switch: ON] ● Engine stopped [Engine is running] ● Engine speed: Above 3,600 rpm BATTERY VOLTAGE 55 W Heated oxygen sensor 2 [Engine is running] ● Revving engine from idle to 3,000 rpm – Engine: After warming up – Keeping the engine speed between 3,500 0 - Approximately 1.0V 78 B Sensor ground [Engine is running] ● Warm-up condition ● Idle speed Approximately 0V PBIB1835E |