![]() ![]() A good understanding of what each one is telling you will speed up your fault finding process dramatically. Most experienced MicroTech tuners will find themselves using the diagnostic LED’s on a regular basis. It’s telling you that there is a problem with one of the “signals” going to the ECU. Note 1) RS: PR: Reset by turning CNC power OFF, AR: Reset by turning servo driver power OFF, : This is a warning display, and the servo does not turn OFF. The red LED “DOES NOT” mean the ECU is faulty and you need to send it in to be repaired (this is a very common assumption). If alarm persists, call VAD Emergency Number (734) 477-6722 Low 1.battery power input is low, with less than 15 minutes remaining Change batteries or go to Mobile Power Unit. Promptly connect the disconnected power cable to power source. When the ECU recognizes a sensor error, that error will be logged to the ECU & can be viewed on the “error check” screen using the handset or laptop software (this is located on screen 33). Alarm means: Steps to resolve alarm: Advisory One of the two power cables is not receiving power. Water Temp, Air Temp, TPS, MAP, Battery Voltage & Home, Reference & RPM input (the last 3x inputs all come from the crank sensor). There are 8x different inputs that can trigger an error. The red LED flashes when there is a input error to the ECU. When this occurs, generally there will be a fault with the wiring to the crank sensor or a problem with the sensor itself. High fuel level alarms are required by government regulations to prevent the overfilling of a fuel tank. If the orange LED isn’t flashing, the ECU has no idea the engine is turning over, so there will be no spark or injector pulse (& without either of those not much is going to happen) The orange LED is most commonly used to help diagnose problems with an engine that won’t start. The orange LED will flash each time the ECU receives a home signal from the crank sensor. It illuminates when the ECU is powered “on”. norwegen Estatica tv gif, Red alarm light on modem, Straits quay marina mall. The green LED serves the most basic function of the 3. ![]()
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