|
Read values
|
Unit
|
Min.
|
Max.
|
Value applicable
|
Description
|
Use
|
Battery Voltage
|
V
|
8
|
16
|
Ignition on or control module in delay period.
|
Voltage measured by control module.
|
Fault diagnosis and training.
|
Engine RPM
|
rpm
|
0
|
7000
|
Ignition on or control module in delay period and rotating crankshaft.
|
Pulses from crankshaft position sensor converted to crankshaft speed.
|
Fault diagnosis and training.
|
Pump RPM
|
rpm
|
0
|
4000
|
With rotating crankshaft.
|
Pulses from camshaft position sensor converted to pump speed.
|
Fault diagnosis and training.
|
Vehicle Speed
|
km/h
|
0
|
255
|
Ignition on or control module in delay period.
|
Shows vehicle speed measured by ABS wheel sensor in front right wheel.
|
Fault diagnosis. Cruise control is not operational; vehicle speed.
|
Airmass / Combustion
|
mg/comb
|
0
|
1500
|
Ignition on or control module in delay period.
|
Shows how big an air mass is available for combustion.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Mass Air Flow Sensor
|
V
|
0
|
15
|
Ignition on or control module in delay period.
|
Shows current voltage across sensor.
|
Fault diagnosis and training.
|
Requested Airmass / Combustion by EGR
|
mg/comb
|
0
|
1500
|
Ignition on or control module in delay period.
|
Shows calculation result in EGR function regarding how big an air mass is to be available for each combustion.
|
Fault diagnosis and training.
|
EGR Control Valve
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Shows current timing ratio with which the amplifier works.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
EGR Control Valve, Requested
|
%
|
0
|
200
|
Ignition on or control module in delay period.
|
Shows timing ratio the control module processor requests for the power amplifier.
|
Fault diagnosis and training.
|
EGR Feedback Signal
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Shows current timing ratio of feedback signal. During normal operation, the value is between 85.1% and 94.9%
|
Fault diagnosis and training.
|
Swirl Control Valve
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Shows current timing ratio with which the amplifier works.
|
Fault diagnosis and training.
|
Swirl Control Valve, Requested
|
%
|
0
|
200
|
Ignition on or control module in delay period.
|
Shows timing ratio the control module processor requests for the power amplifier.
|
Fault diagnosis and training.
|
Coolant Temperature
|
°C
|
-50
|
200
|
Ignition on or control module in delay period.
|
Voltage across NTC resistor converted to temperature.
|
Fault diagnosis and training.
|
Coolant Temperature Sensor
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across NTC resistor.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Engine Oil Temperature
|
°C
|
-50
|
200
|
Ignition on or control module in delay period.
|
Voltage across NTC resistor converted to temperature.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Oil Temperature Sensor
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across NTC resistor.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Charge Air Absolute Pressure
|
kPa
|
0
|
350
|
Ignition on or control module in delay period.
|
Actual boost pressure measured by the boost pressure sensor.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Charge Air Pressure Sensor
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across sensor.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Requested Charge Air Absolute Pressure
|
kPa
|
0
|
350
|
Ignition on or control module in delay period.
|
Control module's requested boost pressure.
|
Fault diagnosis and training.
|
Charge Air Control Valve
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Shows current timing ratio with which the amplifier works.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Charge Air Control Valve, Requested
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Shows timing ratio the control module processor requests for the power amplifier.
|
Fault diagnosis and training.
|
Intake Air Temperature
|
°C
|
-50
|
200
|
Ignition on or control module in delay period.
|
Voltage across NTC resistor converted to temperature.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Intake Air Temperature Sensor
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across sensor.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Atmosphere Absolute Pressure
|
kPa
|
0
|
350
|
Ignition on or control module in delay period.
|
Voltage across the sensor converted to pressure.
|
Fault diagnosis; in the event of a fault, the control module substitute value is shown; applies when engine is running. Training.
|
Atmosphere Pressure Sensor
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across sensor.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Actual Injection Quantity
|
mg/comb
|
0
|
120
|
Ignition on or control module in delay period.
|
Actual injected fuel mass, which mirrors the engine load.
|
Can be used in fault diagnosis of poor performance. Injected fuel quantity is proportional to engine torque. The read value can be used to check maximum injection quantity at full throttle and a certain engine speed compared to a car with correct performance.
|
Start of Pressure build-up cam ring, actual value
|
°
|
-40
|
50
|
Ignition on or control module in delay period.
|
Actual position of the pump control module for start of pressure build-up in relation to
cam ring's
bottom dead centre.
|
Training.
|
Fuel Temperature
|
°C
|
-50
|
200
|
Ignition on or control module in delay period.
|
Pump control module's bus message on fuel temperature.
|
Fault diagnosis and training.
|
Pedal Position
|
%
|
0
|
100
|
Ignition on or control module in delay period.
|
Voltage across pedal position sensor converted to a pedal position.
|
Fault diagnosis and training.
|
Pedal Position Sensor 1
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across pedal position sensor 1's potentiometer.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Pedal Position Sensor 2
|
V
|
0
|
5
|
Ignition on or control module in delay period.
|
Shows current voltage across pedal position sensor 2's potentiometer.
|
Fault diagnosis. In the event of a fault, the substitute value is shown in Tech 2; the engine must be started to access the actual value.
|
Misfire Cyl
|
|
0
|
4
|
Ignition on or control module in delay period.
|
Indicates which cylinder misfired most recently.
|
Fault diagnosis and training.
|
Idle
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Assumes value 1 during (calibrated?) idle.
|
Fault diagnosis and training.
|
Idle Switch
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows that the pedal position sensor is not actuated.
|
Fault diagnosis and training.
|
Accelerator Pedal
|
|
0
|
1
|
Ignition on or control module in delay period
|
Shows that the pedal position sensor is actuated
|
Fault diagnosis and training.
|
Cruise A
|
|
0
|
1
|
Ignition on or control module in delay period
|
Shows when B+ lies on the control module input.
|
Fault diagnosis and training.
|
Cruise B
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows when B+ lies on the control module input.
|
Fault diagnosis and training.
|
Cruise C
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows when B+ lies on the control module input.
|
Fault diagnosis and training.
|
Brake Light Switch
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows when B+ lies on the control module input.
|
Fault diagnosis and training.
|
Brake Switch. Cruise Control
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows when B+ is missing from the control module input.
|
Fault diagnosis and training.
|
Clutch Switch. Cruise Control
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows when B+ is missing from the control module input.
|
Fault diagnosis and training.
|
Ignition +15
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows that +15 is connected to the control module.
|
Fault diagnosis and training.
|
Main Relay
|
|
0
|
1
|
Ignition on or control module in delay period.
|
Shows that the main relay is active.
|
Fault diagnosis and training.
|
Warming-up cycle
|
|
0
|
1
|
|
|
|
Post-glow
|
|
0
|
1
|
Ignition on or control module in delay period.
|
See Technical description.
|
Fault diagnosis and training.
|
Start-up glow
|
|
0
|
1
|
Ignition on or control module in delay period.
|
See Technical description.
|
Fault diagnosis and training.
|
Start readiness glow
|
|
0
|
1
|
Ignition on or control module in delay period.
|
See Technical description.
|
Fault diagnosis and training.
|
Pre-glow
|
|
0
|
1
|
Ignition on or control module in delay period.
|
See Technical description.
|
Fault diagnosis and training.
|
Glow feedback
|
|
|
|
Ignition on or control module in delay period. See Technical description.
|
|
|
Switch in OFF position
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that the switch turned off cruise control.
|
Fault diagnosis.
|
Clutch Switch. Cruise Control
|
|
0
|
1
|
In same operating cycle with no reactivation of CC.
|
Shows that the brake switch to CC turned off cruise control.
|
Fault diagnosis and training.
|
Brake Switch. Cruise Control
|
|
0
|
1
|
In same operating cycle with no reactivation of CC.
|
Shows that the brake switch to CC turned off cruise control.
|
Fault diagnosis.
|
Deceleration Was Too High
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that heavy braking turned off cruise control (If the brake switch is not working).
|
Fault diagnosis.
|
Gear Was Disengaged
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that engine speed increased too quickly in relation to vehicle speed and cruise control was therefore turned off.
|
Fault diagnosis.
|
Trouble Code Detected
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that a DTC turned off cruise control.
|
Fault diagnosis.
|
Vehicle Speed Was Under 40 km/h (Lead from ABS / Bus from TC/ABS)
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that the brake switch to CC turned off cruise control.
|
Fault diagnosis.
|
Engine speed too high/low
|
|
|
|
In same operating cycle with no reactivation of CC.
|
Shows that engine speed was outside of the permitted limits.
|
Fault diagnosis.
|
