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EGR VOLUME CONTROL SYSTEM EC-621 [YD (WITHOUT EURO-OBD)] C D E F G H I J K L M A EC ECM Terminals and Reference Value EBS015CL 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- MONITOR ITEM CONDITION SPECIFICATION EGR VOL CON/V ● Engine: After warming up ● Air conditioner switch: OFF ● Shift lever: Neutral position ● No-load After one minute at idle More than 10 steps Revving engine from idle to 3,600 0 step TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 25 GY EGR volume control valve [Engine is running] ● Warm-up condition ● Idle speed 0.1 - 14V 105 113 G ECM relay (self-shutoff) [Ignition switch ON] ● For a few seconds after turning ignition Approximately 1.2V [Ignition switch OFF] ● A few seconds passed after turning ignition BATTERY VOLTAGE 119 120 R Power supply for ECM [Ignition switch ON] BATTERY VOLTAGE |