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MAIN POWER SUPPLY AND GROUND CIRCUIT EC-409 [YD (WITHOUT EURO-OBD)] C D E F G H I J K L M A EC MAIN POWER SUPPLY AND GROUND CIRCUIT PFP:24110 ECM Terminals and Reference Value EBS0153M Remarks: 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 and Pulse Signal) 1 B ECM ground [Engine is running] ● Idle speed Approximately 0V 105 G ECM relay (self-shutoff) [Ignition switch ON] ● For a few seconds after turning ignition Approximately 1.2V [Ignition switch OFF] ● More than a few seconds after turning igni- BATTERY VOLTAGE 107 W/R Ignition switch [Ignition switch ON] BATTERY VOLTAGE 113 G ECM relay (self-shutoff) [Ignition switch ON] ● For a few seconds after turning ignition Approximately 1.2V [Ignition switch OFF] ● More than a few seconds after turning igni- BATTERY VOLTAGE 114 B ECM ground [Engine is running] ● Idle speed Approximately 0V 119 120 R Power supply for ECM [Ignition switch ON] BATTERY VOLTAGE 121 W/L Power supply for ECM [Ignition switch OFF] BATTERY VOLTAGE |