⚠️ In order to access ECU LEDs, the ECU lid must be removed first.
- ECU Compartment lid removal
Normal ECU LED’s status
When the vehicle is powered - LEDs from #2 to #5 must glow, #1 LED must be off.
That indicates that ECU powers up properly.
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LEDs definitions:
- LED #1 -> ERR - indicates an ECU error and normally must be off.
- LED #2 -> MCU - indicates a response from the MCU.
- LED #3 -> 3V3 - indicates 3V3 supply line status.
- LED #4 -> 5V - indicates 5V supply line status.
- LED #5 -> 12V - indicates 12V supply line status.
LED #2 states
Before vehicle is started, the LED #2 must glow constantly.
After vehicle is started - LED #2 must start blinking.