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DTC P0101 MAF SENSOR EC-159 C D E F G H I J K L M A EC Revision: 2004 November 2004 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 ABS004C9 1. INSPECTION START Which malfunction (A or B) is duplicated? A or B A >> GO TO 3. B >> GO TO 2. 2. CHECK INTAKE SYSTEM Check the following for connection. ● Air duct ● Vacuum hoses ● Intake air passage between air duct and intake manifold OK or NG OK >> GO TO 3. NG >> Reconnect the parts. TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 51 G/W Mass air flow sensor [Engine is running] ● Warm-up condition ● Idle speed 1.1 - 1.5V [Engine is running] ● Warm-up condition ● Engine speed is 2,500 rpm. 1.6 - 2.4V 67 B Sensor ground [Engine is running] ● Warm-up condition ● Idle speed Approximately 0V 111 W/B ECM relay [Engine is running] ● For a few seconds after turning ignition 0 - 1.5V [Ignition switch: OFF] ● A few seconds passed after turning ignition BATTERY VOLTAGE 119 120 R/B Power supply for ECM [Ignition switch: ON] BATTERY VOLTAGE |