OBD/OBDI/OBD1/ALDL
ALDL Adapter
Mitsuduino
Accel Enrichment
0x1D
0x01 == 0%
0xFF == 100%
y = 100(x/255)
%
Coolant Temp
0x07
0x01 == 307deg F
0xFF == -62deg F
y = -1.45x + 308
deg F
Engine Speed
0x21
0x01 == 31
0xFF == 7969
y = 31.25x
rpm
Fuel Trim High
0x0E
0x01 == 1%
0xFF == 199%
y = .78x
%
Fuel Trim Low 0x0C 0x01 == 1% 0xFF == 199% y = .78x %
Fuel Trim Middle
0x0D
0x01 == 1%
0xFF == 199%
y = .78x
%
Injector Pulse Width
0x29
0x01 == .256ms
0xFF == 65.3ms
y = .256x
ms
Oxygen Feedback Trim
0x0F
0x01 == 1%
0xFF == 199%
y = .78x
%
Oxygen Sensor
0x13
0x01 == .02v
0xFF == 4.98v
y = .0195x
v
Throttle Position
0x17
0x01 == 0%
0xFF == 100%
y = 100(x/255)
%
Air Flow Hz
0x1A
0x01 == 6Hz
0xFF == 1606Hz
y = 6.29x
Hz
Air Temperature
0x3A
0x01 == 356deg F
0xFF == -74deg F
y = -1.69x + 358
deg F
Air Volume
0x2C
0x01 == 1
0xFF == 255
y = x
Barometer
0x15
0x01 == 0bar
0xFF == 1.24bar
y = .00486x
bar
ISC Steps
0x16
0x01 == 1
0xFF == 255
y = x
Knock Sum
0x26
0x01 == 1
0xFF == 255
y = x
Timing Advance
0x06
0x01 == -9 deg
0xFF == 245 deg
y = x - 10
deg
Battery
0x14
0x01 == 0.1v
0xFF == 18.7v
y = .0733x
v
EGR Temperature
0x12
0x01 == 595deg F
0xFF == -94deg F
y = -2.7x + 597.7
deg F
TDC
0x02
0x04 (inverted)
Power Steering
0x02
0x08 (inverted)
AC Switch
0x02
0x10 (inverted)
Park/Neutral
0x02
0x20 (inverted)
Idle Switch
0x02
0x80 (inverted)
AC Clutch
0x00
0x20 (inverted)
| Sensor
|
Address
|
Data Min
|
Data Max
|
Function
|
Sample
|
MUT-III
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