PRE-RELEASE
Bus message, main instrument unit
| Bus message, main instrument unit |
For a further description of the car's bus system, see System overview, bus and diagnostics communication, petrol and System overview, bus and diagnostics communication, diesel .
| The MIU uses the following information: |
| Information | Value/Units | Off | The value depends on the following sensor input, signal or function |
|
LH direction indicators
|
ON/OFF
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DICE
|
Control module activates the output to the lamps. MIU lights the indicator lamp for the left hand direction indicators.
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RH direction indicators
|
ON/OFF
|
DICE
|
Control module activates the output to the lamps. MIU lights the indicator lamp for the right hand direction indicators.
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Rear fog light
|
ON/OFF
|
DICE
|
Control module activates the output to the lamps. MIU lights the indicator lamp for the rear fog light.
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Driver's door
|
OPEN/CLOSED
|
TWICE
|
Door contact. MIU lights the symbol for the driver's door.
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Passenger's door
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OPEN/CLOSED
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TWICE
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Door contact. MIU lights the symbol for the passenger door.
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LH rear door
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OPEN/CLOSED
|
TWICE
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Door contact. MIU lights the symbol for the left rear door.
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RH rear door
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OPEN/CLOSED
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TWICE
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Door contact. MIU lights the symbol for the right rear door.
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Boot lid
|
OPEN/CLOSED
|
TWICE
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Door contact. MIU lights the symbol for the tailgate.
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Steering wheel location
|
LHD/RHD
|
TWICE
|
Control module programming. MIU lights the symbol for the driver's door/passenger door.
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Info Disp Lamp
|
ON/OFF
|
SID
|
For text message. MIU lights the indicator lamp Info Display.
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Rheostat level
|
0-100 %
|
SID
|
Rheostat control module input. Rheostat level.
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Rheostat Night Panel
|
0-100 %
|
SID
|
Rheostat control module input reduced internally by a fixed value
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Night Panel
|
ON/OFF
|
SID
|
Button. MIU extinguishes the instrument and display lighting.
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Display lighting
|
0-100 %
|
SID
|
The rheostat control module input or light sensor, highest value. MIU uses the information to control the display lighting.
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Cabin light intensity
|
Lux
|
SID
|
Light sensor. MIU uses the value to control the intensity of the indicator lamps.
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Check Engine lamp
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ON/OFF
|
ECM
|
Internal diagnostics. MIU lights the CHECK ENGINE lamp.
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Shift Up lamp
|
ON/OFF
|
ECM
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Right front wheel speed (lead from ABS). MIU lights the Shift Up lamp.
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CRUISE Lamp
|
ON/OFF
|
ECM
|
Cruise control function. MIU lights the CRUISE lamp.
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Fuel Consumed Since Start
|
0-65535 ml
|
ECM
|
Fuel injection function. Used by SID for trip computer function, can be adjusted with offset in MIU.
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Engine speed
|
0-7000 rpm
|
ECM
|
Crankshaft position censor. MIU controls the tachometer.
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Coolant temperature
|
-40-215°C
|
ECM
|
Coolant temperature sensor. MIU controls the coolant temperature gauge.
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Turbo boost gauge
|
0-255, no units
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ECM (petrol engine)
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Current air mass per combustion.
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Selector lever position
|
P, R, N, D, 4, 3, L
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TCM
|
Selector sensor. MIU lights the current indicator lamp.
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CHECK GEARBOX Lamp
|
ON/OFF
|
TCM
|
Internal diagnostics. MIU lights the CHECK GEARBOX lamp.
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SPORT Lamp
|
ON/OFF
|
TCM
|
Button, oil temperature sensor and no limp-home or WINTER. MIU lights the SPORT lamp.
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WINTER Lamp
|
ON/OFF
|
TCM
|
Button, oil temperature sensor and no limp-home. MIU lights the WINTER lamp.
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Wheel speed LR
|
0-300 km/h
|
TC/ABS
|
Wheel speed sensor LR.
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Wheel speed RR
|
0-300 km/h
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TC/ABS
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Wheel speed sensor RR.
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ABS lamp
|
ON/OFF
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TC/ABS
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Internal diagnostics.
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TCS OFF lamp
|
ON/OFF
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TC/ABS
|
Switch, internal diagnostics.
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TCS lamp
|
ON/OFF
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TC/ABS
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Traction Control
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ESP OFF lamp
|
ON/OFF
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ESP
|
Switch, internal diagnostics.
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ESP lamp
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ON/OFF
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ESP
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ESP control
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Airbag lamp
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ON/OFF
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SRS
|
Internal diagnostics.
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Glow plug indicator lamp
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ON/OFF
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ECM (diesel)
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Glow plug function. Glow plug indicator lamp comes on when the glow plugs are active.
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Diagnostics communication
|
DICE/diagnostic tool
|
The control module must be powered and the bus leads intact. DICE/diagnostic tool.
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| The MIU sends the following information: |
| Information | Value/Units | Used by | The value depends on the following sensor input, signal or function |
|
Vehicle speed
|
km/h (mph)
|
ECM, DICE, SID, ACC, Audio, TWICE, SPA
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Left rear wheel speed (lead from ABS). The main instrument unit calculates the current vehicle speed from the wheel speed information, from the TC/ABS control module, and tyre programming.
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Acoustic warning
|
Acoustic information
|
SID
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Control module activation of central warning lamp or info display lamp
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Fuel level
|
litres
|
SID, ECM
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Fuel tank sensor, control module adjustment. MIU sends information on the current fuel level in the tank.
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Odometer reading
|
km (miles)
|
SID
|
Display value. Information on the distance travelled.
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Fuel Consumed Since Start
|
0-65535 ml
|
ECM
|
Bus from engine control module. The value is corrected by an adjustment factor in MIU. The factor can be adjusted by the diagnostic tool.
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STOP FOR FUEL
|
ON/OFF
|
SID
|
When the fuel level is below 3 litres, this signal is sent. MIU sends the text message to SID and the message is shown on the SID display (diesel cars only).
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Identification number
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TWICE
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Value created in MIU when immobilisation code is programmed in TWICE
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Diagnostics communication
|
DICE/diagnostic tool
|
The control module must be powered and the bus leads intact. DICE/diagnostic tool.
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