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Operation
| Button | Action |
|---|---|
| LEFT / RIGHT | Previous / next menu |
| UP / DOWN | Previous / next screen within the current menu |
| SELECT | Context action (varies per menu — see below) |
Menu order: Cockpit → Experimental → Debug → DTC → Settings
Pixel-doubled big font, portrait 64×128. All fields update at ~177 ms intervals. SELECT has no action.
130 speed (km/h)
2200 RPM
99 O oil temp (°C) ← -WARN- at ≥ 100
99 C coolant (°C) ← -WARN- at ≥ 100
33 L fuel level (L)
20AIR ambient (°C)
Screen 0:
120 speed (km/h)
1200 RPM
99 O oil temp ← -WARN- at ≥ 100
99 C coolant ← -WARN- at ≥ 100
20% engine load
5.5T throttle body angle
12V battery voltage
5% lambda
Screen 1 (error bits, small font):
TBa: xxxxx STa: xxxxx
mb: xxxx
bits:
xxxxxxxx
For addresses without a dedicated layout (0x03, 0x08, 0x19, 0x46) the cockpit screen shows the address and "no data". Use the Experimental screen to browse raw measurement groups for those ECUs.
Shows raw measurement group values. SELECT toggles between measurement slots 0/1 and 2/3.
Internal diagnostic readouts (only present in uno_debug builds with OBD_EXPERIMENTAL_SCREENS defined).
| Screen | SELECT action |
|---|---|
| DTC screen 0 | Read fault codes from ECU |
| DTC screen 1 | Clear fault codes on ECU |
After reading, the count of stored DTCs is shown briefly. After clearing, a confirmation overlay appears.
Caution: Do not clear DTCs on address
0x15(airbag) if an electrical fault is present — on some affected ECUs this can deploy the airbag.
| Screen | SELECT action |
|---|---|
| Settings screen 0 | Exit ECU session and return to setup |
| Settings screen 1 | Cycle KWP mode: ACK → GROUP → SENSOR |
| Mode | Behaviour |
|---|---|
| ACK | Keepalive only — no sensor data |
| GROUP | Read measurement groups (most data) |
| SENSOR | Full sensor read (slower, more detailed) |