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DTC P1276, P1286 A/F SENSOR 1 EC-531 C D E F G H I J K L M A EC Revision: 2005 August 2005 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 ABS00A73 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. TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 57 P A/F sensor 1 (Bank 2) [Engine is running] ● Warm-up condition ● Idle speed Approximately 2.6V 58 SB Approximately 2.3V 76 G/Y Approximately 3.1V 77 LG Approximately 2.3V PBIB1835E |