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DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-1025 [VK45DE] C D E F G H I J K L M A EC 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- : Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 2 SB A/F sensor 1 heater [Engine is running] ● Warm-up condition ● Idle speed Approximately 5V 16 W/L A/F sensor 1 (bank 1) [Engine is running] ● Warm-up condition ● Idle speed Approximately 3.1V 35 GR/L Approximately 2.6V 56 LG/B Approximately 2.3V 75 Y Approximately 2.3V 21 W/B Fuel injector No. 5 [Engine is running] ● Warm-up condition ● Idle speed NOTE: BATTERY VOLTAGE (11 - 14V) [Engine is running] ● Warm-up condition ● Engine speed: 2,000 rpm BATTERY VOLTAGE (11 - 14V) PBIB1584E PBIB0042E PBIB0043E |