|
Display group overview
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
00
|
Read measured value block 0
|
1
|
=
|
Engine speed
|
|
General
|
1 2 3 4 5 6 7 8 9 10
|
2
|
=
|
Commencement of injection
|
|
vehicle inspection
|
|
3
|
=
|
Accelerator pedal position
|
|
|
|
4
|
=
|
Injection quantity
|
|
|
|
5
|
=
|
Intake manifold pressure (charge/boost pressure)
|
|
|
|
6
|
=
|
Atmospheric pressure (ambient air pressure)
|
|
|
|
7
|
=
|
Coolant temperature
|
|
|
|
8
|
=
|
Intake manifold temperature
|
|
|
|
9
|
=
|
Fuel temperature
|
|
|
|
10
|
=
|
Intake air mass
|
|
01
|
Read measured value block 1
|
1
|
=
|
Engine speed
|
|
Injection
quantity
|
1 2 3 4
|
2
|
=
|
Injection quantity
|
|
|
|
3
|
=
|
Voltage from modulating piston movement sender -G149
|
|
|
|
4
|
=
|
Coolant temperature
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
02
|
Read measured value block 2
|
1
|
=
|
Engine speed
|
|
Idling speed
|
1 2 3 4
|
2
|
=
|
Accelerator pedal position
|
|
|
|
3
|
=
|
Operating status:
|
|
|
|
|
|
X
|
|
|
X
|
|
|
1
|
Air conditioner signal on
|
|
|
|
|
|
X
|
|
|
1
|
|
|
X
|
Idling speed switch closed
|
|
|
|
|
|
1
|
|
|
X
|
|
|
X
|
Increased idling speed:
▪ because required by air conditioner 1)
▪ because acceleration and braking detected
▪ because additional heater is on
|
|
|
|
4
|
=
|
Coolant temperature
|
|
03
|
Read measured value block 3
|
1
|
=
|
Engine speed
|
|
Exhaust gas recirculation
|
1 2 3 4
|
2
|
=
|
Intake air mass (specified)
|
|
|
|
3
|
=
|
Intake air mass (actual)
|
|
|
|
4
|
=
|
Duty cycle (activation) of exhaust gas recirculation valve -N18
|
1) The idling speed is not increased with all control units. However, a "1" will appear if this condition is required by the air conditioner.
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
04
|
Read measured value block 4
|
1
|
=
|
Engine speed
|
|
Start of injection
|
1 2 3 4
|
2
|
=
|
Commencement of injection (specified)
|
|
|
|
3
|
=
|
Commencement of injection (actual)
|
|
|
|
4
|
=
|
Duty cycle (activation) of commencement of injection valve -N108
|
|
05
|
Read measured value block 5
|
1
|
=
|
Engine speed
|
|
Start conditions
|
1 2 3 4
|
2
|
=
|
Injection quantity for starting (recorded from last start)
|
|
|
|
3
|
=
|
Commencement of injection
|
|
|
|
4
|
=
|
Coolant temperature
|
|
06
|
Read measured value block 6
|
1
|
=
|
Road speed
|
|
Switch positions
|
1 2 3 4
|
2
|
=
|
Brake pedal monitoring:
Brake light switch and brake pedal switch are a combined component
|
|
|
|
|
|
X
|
|
|
X
|
|
|
1
|
Brake light switch -F closed
|
|
|
|
|
|
X
|
|
|
1
|
|
|
X
|
Brake pedal switch open
|
|
|
|
|
|
1
|
|
|
X
|
|
|
X
|
Clutch pedal switch -F36 open
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
06
|
Read measured value block 6
|
3
|
=
|
Cruise control system (CCS) operating inputs:
|
|
Switch positions
|
1 2 3 4
|
|
|
|
X
|
X
|
X
|
X
|
X
|
1
|
CCS on
|
|
|
|
|
|
|
X
|
X
|
X
|
X
|
1
|
X
|
CCS off with memory
|
|
|
|
|
|
|
X
|
X
|
X
|
1
|
X
|
X
|
Speed reduction
|
|
|
|
|
|
|
X
|
X
|
1
|
X
|
X
|
X
|
Resume/accelerate
|
|
|
|
|
|
|
X
|
1
|
X
|
X
|
X
|
X
|
Brake pedal depressed
|
|
|
|
|
|
|
1
|
X
|
X
|
X
|
X
|
X
|
Clutch pedal depressed
|
|
|
|
4
|
=
|
Operating status of cruise control system:
|
|
|
|
|
|
|
|
|
|
|
|
0
|
Control unit with CCS function
|
|
|
|
|
|
|
|
|
|
|
|
1
|
CCS off
|
|
|
|
|
|
|
|
|
|
|
|
2
|
Accelerate
|
|
|
|
|
|
|
|
|
|
|
|
4
|
Decelerate
|
|
|
|
|
|
|
|
|
|
|
|
8
|
Resume
|
|
|
|
|
|
|
|
|
|
|
1
|
6
|
Brake depressed
|
|
|
|
|
|
|
|
|
|
|
3
|
2
|
Maintain speed
|
|
|
|
|
|
|
|
|
|
|
6
|
4
|
(Ignore)
|
|
|
|
|
|
|
|
|
|
1
|
2
|
8
|
(Ignore)
|
|
|
|
|
|
|
|
|
|
2
|
5
|
5
|
Control unit without CCS function
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
07
|
Read measured value block 7
|
1
|
=
|
Fuel temperature
|
|
Temperatures
|
1 2 3 4
|
2
|
=
|
No display
|
|
|
|
3
|
=
|
Intake manifold temperature
|
|
|
|
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 (avoidance of 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
|
=
|
Voltage from modulating piston movement sender
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
10
|
Read measured value block 10
|
1
|
=
|
Intake air mass
|
|
Air quantities
|
1 2 3 4
|
2
|
=
|
Atmospheric pressure (ambient pressure)
|
|
|
|
3
|
=
|
Intake manifold pressure (charge pressure)
|
|
|
|
4
|
=
|
Accelerator pedal position
|
|
11
|
Read measured value block 11
|
1
|
=
|
Engine speed
|
|
Charge
pressure control
|
1 2 3 4
|
2
|
=
|
Charge pressure (specified)
|
|
|
|
3
|
=
|
Charge pressure (actual)
|
|
|
|
4
|
=
|
Duty cycle (activation) of charge pressure control solenoid -N75
|
|
12
|
Read measured value block 12
|
1
|
=
|
(Ignore)
|
|
Glow plug
system
|
1 2 3 4
|
2
|
=
|
Glow period (in seconds)
|
|
|
|
3
|
=
|
Supply voltage from control unit
|
|
|
|
4
|
=
|
Coolant temperature
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
13
|
Read measured value block 13
|
1
|
=
|
Difference between injection quantities for cylinders 4 and 3
|
|
Smooth
|
1 2 3 4
|
2
|
=
|
Difference between injection quantities for cylinders 2 and 3
|
|
idling control
|
|
3
|
=
|
Difference between injection quantities for cylinders 1 and 3
|
|
|
|
4
|
=
|
No display
|
|
14
|
Read measured value block 14
|
|
|
No display
|
|
(Unallocated)
|
|
|
|
|
|
15
|
Read measured value block 15
|
1
|
=
|
Engine speed
|
|
Fuel consumption
|
1 2 3 4
|
2
|
=
|
Injection quantity (actual)
|
|
|
|
3
|
=
|
Fuel consumption
|
|
|
|
4
|
=
|
Desired injection quantity (driver's requirement via accelerator pedal)
|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
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
|
|
|
|
|
X
|
X
|
1
|
X
|
X
|
X
|
X
|
X
|
Coolant temperature sender (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
|
=
|
Heater element activation
|
|
|
|
|
|
|
|
|
|
|
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 air temperature is 5 °C when the engine is started, the additional heater will switch off when the coolant temperature reaches 70 °C. If the air temperature is -10°C, the additional heater will not switch off until the coolant temperature reaches 80 °C.
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
17
|
Read measured value block 17
|
|
|
No display
|
|
(Unallocated)
|
|
|
|
|
|
18
|
Read measured value block 18
|
|
|
(Ignore)
|
|
|
1 2 3 4
|
|
|
|
|
19
|
Read measured value block 19
|
1
|
=
|
Lower stop value (voltage from modulating piston movement sender)
|
|
Quantity adjuster
|
1 2 3 4
|
2
|
=
|
Upper stop value (voltage from modulating piston movement sender)
|
|
|
|
3
|
=
|
No display
|
|
|
|
4
|
=
|
No display
|
| 
