Electronic Control Unit ECU Training- Automotive Appreciation 5. technicaltraining1. • Checking for Power and Ground at an ECM. Как найти и исправить электрические проблемы в вашем автомобиле (Ground Fault).Feb 28, 2013 · It should be about 4.5V (3.5V for a 1990 ECU). Measure the voltage on pin 1 of the car's diagnostic connector (connects to the V2 cable's pin with the green wire). It should be pulsing, indicating diagnostic info. Check that pin 12 of the car's diagnostic connector (connects to the V2 cable's pin with the black wire) has continuity to ground.
Jul 08, 2019 · How to Check N-Channel Mosfets. 1) Set the DMM to the diode range. 2) Keep the mosfet on a dry wooden table on its metal tab, with the printed side facing you and leads pointed towards you. 3) With a screwdriver or meter probe, short the gate and drain pins of the mosfet. This will initially keep the internal capacitance of the device ... 16 E2 Sensor Ground c17 PSW Throttle Position Sensor 18 VC 19 IDL Throttle Position Sensor (Signals ECU throttle position is at idle) 20 G2 Distributor 21 NE Part of the IIA (Intergrated Ignition Assembly) (RPM) 22 E21 Sensor Ground 23 KNK Knock Sensor 24 E1 Computer Ground 25 #20 Injector Pulse 2 & 4 26 E02 Computer Ground
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