Skoda OCTAVIA MK1 Service Manual page 156

t Analysis of display group 000
Display group 000 (display values in decimals)
l Engine idling
Display fields
123456 7 8 9
Injection period
Throttle valve angle
Operating condition of the lambda control
Determine the injection time (additive
initialisation) by the lambda control.
Lambda probe voltage
drawn in air mass
Coolant temperature
Test voltage supply of engine control unit
Intake manifold temperature
In display field 7, the "operating condition of the lambda control" is shown as a decimal
1) number. The "operating condition of the lambda control" is shown itemised with a bit
pattern in the measured value block 099, in the display field 4 (8-digit display)
Analysis of display group 000
Displa Readout on
y field -V.A.G 1552 -
1 less than 84
→ Note
greater than
158 → Note
2 less than 98
→ Anchor.
10 Engine speed
(idling speed)
Possible cause of fault
t Intake air temperature sender faulty
Cables to intake air temperature sender
t
defective
AC generator defective, battery heavily
t
discharged
t Vehicle voltage heavily loaded just after
Displayed
specified value
23 to 27
2 to 4
4 to 12
see measured value block 099
0 to 100
0 to 50
14 to 30
170 to 211
98 to 147
84 to 158
156
Corresponds to
measured value
760 to 880 rpm
2 to 4.1 ms
1.9 to 5.7 ∠°
0 to +0.8 ms
0.0 to 1.0 V
76 through to 164
mg/h
80 to 110 °C
10 to 15 V
15 to 71 °C
→ Anchor.
Rectifying fault
Test intake air
– temperature sender
→ Chapter.
→ Note