|
Display group overview
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Display group no.
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Indicated on display
|
Designation
|
|
00
|
Read measured value block 0
|
1
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=
|
Engine speed
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|
General
|
1 2 3 4 5 6 7 8 9 10
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2
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=
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Commencement of injection
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|
Vehicle
|
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3
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=
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Accelerator pedal position
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inspection
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4
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=
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Injection quantity
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|
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5
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=
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Intake manifold pressure (boost pressure)
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6
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=
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Atmospheric pressure (ambient air pressure)
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7
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=
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Coolant temperature
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8
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=
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Intake manifold temperature
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9
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=
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Fuel temperature
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|
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10
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=
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Intake air mass
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01
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Read measured value block 1
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1
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=
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Engine speed
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Injection
|
1 2 3 4
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2
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=
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Injection quantity
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|
quantity
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3
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=
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Voltage from modulating piston movement sender -G149
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|
|
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4
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=
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Coolant temperature
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Display group no.
|
Indicated on display
|
Designation
|
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02
|
Read measured value block 2
|
1
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=
|
Engine speed
|
|
Idling
|
1 2 3 4
|
2
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=
|
Accelerator pedal position
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speed
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3
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=
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Operating status:
|
|
|
|
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|
X
|
|
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X
|
|
|
1
|
Air conditioner signal on
|
|
|
|
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X
|
|
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1
|
|
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X
|
Idling speed switch closed
|
|
|
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1
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X
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|
|
X
|
Increased idling speed:
▪ due to request from air conditioner 1)
▪ because acceleration and braking detected
▪ because sheathed-element additional heater is on
|
|
|
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4
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=
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Coolant temperature
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03
|
Read measured value block 3
|
1
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=
|
Engine speed
|
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Exhaust gas
|
1 2 3 4
|
2
|
=
|
Intake air mass (specified)
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recirculation
|
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3
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=
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Intake air mass (actual)
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|
|
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4
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=
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Duty cycle (actuation) of exhaust gas recirculation valve -N18
|
1) The idling speed is not increased in all control units. However, a "1" will appear in spite of this if the air conditioner request is received.
|
Display group no.
|
Indicated on display
|
Designation
|
|
04
|
Read measured value block 4
|
1
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=
|
Engine speed
|
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Injection
|
1 2 3 4
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2
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=
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Injection start (specified)
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|
start
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3
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=
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Start of injection (actual)
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|
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4
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=
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Duty cycle (actuation) of injection start valve -N108
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05
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Read measured value block 5
|
1
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=
|
Engine speed
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Start
|
1 2 3 4
|
2
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=
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Injection quantity for starting (stored from last start)
|
|
conditions
|
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3
|
=
|
Commencement of injection
|
|
|
|
4
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=
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Coolant temperature
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|
06
|
Read measured value block 6
|
1
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=
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Vehicle speed
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|
Switch
|
1 2 3 4
|
2
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=
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Brake pedal monitoring:
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positions
|
|
|
|
X
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|
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X
|
|
|
1
|
Brake light switch -F closed
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|
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X
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1
|
|
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X
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Brake pedal switch -F47 open
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1
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X
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X
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Clutch pedal switch -F36 open
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Display group no.
|
Indicated on display
|
Designation
|
|
06
|
Read measured value block 6
|
3
|
=
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Cruise control system (CCS) control unit:
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Switch
|
1 2 3 4
|
|
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X
|
X
|
X
|
X
|
X
|
1
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CCS on
|
|
positions
|
|
|
|
|
X
|
X
|
X
|
X
|
1
|
X
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CCS off, with memory
|
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|
|
|
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X
|
X
|
X
|
1
|
X
|
X
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Speed reduction
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|
|
|
|
|
|
X
|
X
|
1
|
X
|
X
|
X
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Resume/accelerate
|
|
|
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X
|
1
|
X
|
X
|
X
|
X
|
Brake pedal depressed
|
|
|
|
|
|
|
1
|
X
|
X
|
X
|
X
|
X
|
Clutch pedal depressed
|
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4
|
=
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Operating status of the cruise control system:
|
|
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0
|
Control unit with CCS function
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1
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CCS switched off
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2
|
Accelerate
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|
|
|
|
|
|
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4
|
Decelerate
|
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|
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8
|
Reactivation
|
|
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|
1
|
6
|
Brake depressed
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3
|
2
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Maintain speed
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6
|
4
|
Ignore
|
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|
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1
|
2
|
8
|
Ignore
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2
|
5
|
5
|
Control unit without CCS function
|
|
Display group no.
|
Indicated on display
|
Designation
|
|
07
|
Read measured value block 7
|
1
|
=
|
Fuel temperature
|
|
Temperatures
|
1 2 3 4
|
2
|
=
|
No display
|
|
|
|
3
|
=
|
Intake manifold temperature
|
|
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|
4
|
=
|
Coolant temperature
|
|
08
|
Read measured value block 8
|
1
|
=
|
Engine speed
|
|
Injection
|
1 2 3 4
|
2
|
=
|
Desired injection quantity (driver's requirement via accelerator pedal)
|
|
quantity limitation
|
|
3
|
=
|
Injection quantity limitation via engine speed (torque limitation)
|
|
|
|
4
|
=
|
Injection quantity limitation based on intake air mass (avoid exhaust smoke)
|
|
09
|
Read measured value block 9
|
1
|
=
|
Engine speed
|
|
Injection
|
1 2 3 4
|
2
|
=
|
Injection quantity (cruise control system activated)
|
|
quantity limitation
|
|
3
|
=
|
Injection quantity limitation by automatic gearbox during gear change
|
|
|
|
4
|
=
|
Emergency quantity (modulating piston movement sender voltage)
|
|
Display group no.
|
Indicated on display
|
Designation
|
|
10
|
Read measured value block 10
|
1
|
=
|
Intake air mass
|
|
Air values
|
1 2 3 4
|
2
|
=
|
Atmospheric pressure (ambient air pressure)
|
|
|
|
3
|
=
|
Intake manifold pressure (boost pressure)
|
|
|
|
4
|
=
|
Accelerator pedal position
|
|
11
|
Read measured value block 11
|
1
|
=
|
Engine speed
|
|
Boost pressure
|
1 2 3 4
|
2
|
=
|
Boost pressure (specified)
|
|
control.
|
|
3
|
=
|
Boost pressure (actual)
|
|
|
|
4
|
=
|
Duty cycle (actuation) of boost pressure control solenoid valve N75
|
|
12
|
Read measured value block 12
|
1
|
=
|
Ignore display
|
|
Glow plug system
|
1 2 3 4
|
2
|
=
|
Glow period (in seconds)
|
|
|
|
3
|
=
|
Supply voltage from control unit
|
|
|
|
4
|
=
|
Coolant temperature
|
|
Display group no.
|
Indicated on display
|
Designation
|
|
13
|
Read measured value block 13
|
1
|
=
|
Idling difference between injection quantities for cylinders 3 and 2
|
|
Idling speed smooth running
|
1 2 3 4
|
2
|
=
|
Idling difference between injection quantities for cylinders 3 and 2
|
|
control
|
|
3
|
=
|
Idling difference between injection quantities for cylinders 3 and 2
|
|
|
|
4
|
=
|
No display
|
|
14
|
Read measured value block 14
|
|
|
No display
|
|
Not used
|
|
|
|
|
|
15
|
Read measured value block 15
|
1
|
=
|
Engine speed
|
|
Fuel
|
1 2 3 4
|
2
|
=
|
Injection quantity (actual)
|
|
consumption
|
|
3
|
=
|
Fuel consumption
|
|
|
|
4
|
=
|
Desired injection quantity (driver's requirement via accelerator pedal)
|
|
Display group no.
|
Indicated on display
|
Designation
|
|
16
|
Read measured value block 16
|
1
|
=
|
Alternator load
|
|
Additional heater
|
1 2 3 4
|
2
|
=
|
Additional heater switched off because:
|
|
|
|
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
1
|
Coolant temperature above 70 °C...80 °C1) or intake air temperature above 5 °C
|
|
|
|
|
X
|
X
|
X
|
X
|
X
|
X
|
1
|
X
|
Alternator defective
|
|
|
|
|
X
|
X
|
X
|
X
|
X
|
1
|
X
|
X
|
Battery voltage less than 9 V
|
|
|
|
|
X
|
X
|
X
|
X
|
1
|
X
|
X
|
X
|
Engine speed less than 800 rpm
|
|
|
|
|
X
|
X
|
X
|
1
|
X
|
X
|
X
|
X
|
Engine started within the last 10 seconds
|
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|
|
|
X
|
X
|
1
|
X
|
X
|
X
|
X
|
X
|
Sensor for coolant temperature (G62) or
Intake manifold temperature sender (G72) defective
|
|
|
|
|
X
|
1
|
X
|
X
|
X
|
X
|
X
|
X
|
Ignore
|
|
|
|
|
1
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
Ignore
|
|
|
|
3
|
=
|
Actuation of heating elements
|
|
|
|
|
|
|
|
|
|
|
X
|
1
|
Low heating output relay (J359) on
|
|
|
|
|
|
|
|
|
|
|
1
|
X
|
High heating output relay (J360) on
|
|
|
|
4
|
=
|
Supply voltage from control unit
|
1) If the intake temperature is 5 °C when the engine is started, the additional heater is switched off when a coolant temperature of 70 °C is reached. However, if the air temperature is -10 °C, the heater is not switched off until the coolant temperature reaches 80 °C.
|
Display group no.
|
Indicated on display
|
Designation
|
|
17
|
Read measured value block 17
|
|
|
No display
|
|
Not used
|
|
|
|
|
|
18
|
Read measured value block 18
|
|
|
Ignore
|
|
|
1 2 3 4
|
|
|
|
|
19
|
Read measured value block 19
|
1
|
=
|
Lower stop value (voltage from sensor for modulating piston movement)
|
|
Quantity
|
1 2 3 4
|
2
|
=
|
Upper stop value (voltage from modulating piston movement sender)
|
|
adjuster
|
|
3
|
=
|
No display
|
|
|
|
4
|
=
|
No display
|
|
