Payload Byte | Bit | Information | Conversion | Range |
01 | 1-8 | Number of DTC's | | 0-255 |
21 | 3 | Fuel pump running | | 0-1 |
21 | 8 | Speed > 0km/h | | 0-1 |
23 | 2 | EGR on | | 0-1 |
23 | 3 | Tank ventilation on | | 0-1 |
26 | 1 | CEL on | | 0-1 |
32 | 1-8 | Battery voltage | A/10 | 0-25.5V |
33+34 | 1-16 | Engine RPM | ((A*256)+B)/4 | 0-16383rpm |
37 | 1-8 | Vehicle speed | A | 0-255km/h |
39 | 1-8 | Engine coolant temperature sensor | A * 0.01953125 | 0-5V |
40 | 1-8 | Engine coolant temperature | A - 40 | -40° - 215°C |
41 | 1-8 | Air intake temperature sensor | A * 0.01953125 | 0-5V |
42 | 1-8 | Air intake temperature | A - 40 | -40° - 215°C |
47 | 1-8 | Manifold air pressure sensor | A * 0.01953125 | 0-5V |
48 | 1-8 | Manifold air pressure | A | 0-255kPa |
49 | 1-8 | Accelerator pedal position sensor 1 | A * 0.01953125 | 0-5V |
50 | 1-8 | Accelerator pedal position sensor 2 | A * 0.01953125 | 0-5V |
53 | 1-8 | Throttle valve position sensor 1 | A * 0.01953125 | 0-5V |
54 | 1-8 | Throttle valve position sensor 2 | A * 0.01953125 | 0-5V |
56 | 1-8 | Throttle valve commanded position | A * 100/255 | 0-100% |
58 | 1-8 | EGR valve commanded position | A * 100/255 | 0-100% |
59 | 1-8 | EGR valve sensor | A * 0.01953125 | 0-5V |
61 | 1-8 | Tank ventilation commanded position | A * 100/255 | 0-100% |
67 | 1-8 | Ignition timing | A/2 - 64 | -64° - 63.5° |
83 | 1-8 | Short term fueltrim | 0.7812 * (A - 128) | -100 - 99.22% |
85 | 1-8 | O2 sensor 1 | A * 0.005 | 0 - 1.275V |
86 | 1-8 | O2 sensor 2 | A * 0.005 | 0 - 1.275V |
89 | 1-8 | Long term fueltrim | 0.7812 * (A - 128) | -100 - 99.22% |