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Component Description NBEC0286 IGNITION COIL & POWER TRANSISTOR NBEC0286S01 The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns SEF975Y ECM Terminals and Reference Value NBEC0675 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 Y/R Ignition signal No. 1 [Engine is running] I Warm-up condition I Idle speed 0 - 0.2V ★ SEF399T [Engine is running] I Warm-up condition I Engine speed is 2,500 rpm. 0.1 - 0.3V ★ SEF645T ★ : Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) On Board Diagnosis Logic NBEC0288 Malfunction is detected when the ignition signal in the primary cir- GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P1320 IGNITION SIGNAL Component Description EC-499 |