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ECM Terminals and Reference Value NCEC0446 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- TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 21 B/P Fuel pump relay [Ignition switch “ON”] I For 1 second after turning ignition switch “ON” [Engine is running] 0 - 1V [Ignition switch “ON”] I More than 1 second after turning ignition switch BATTERY VOLTAGE FUEL PUMP QG16 I 18DE ECM Terminals and Reference Value EC-337 |