Skoda OCTAVIA MK1 Service Manual page 214

Check the cable connection between the
2-pin plug of the intake air temperature
– sender and the engine contol unit for
interruption as well as for short-circuit to
positive and/or to earth according to
current flow diagram.
Contact at 2-pin plug
Specified value: max. 1.5 Ω.
If no fault was detected during the previous tests, replace the engine control unit
–
→ Chapter.
For vehicles 08.97 ►
Special tools and workshop equipment required
t Vehicle system tester -V.A.G 1552 - with cable -V.A.G 1551/3-
t Test box -V.A.G 1598/22-
t Handheld multimeter, e.g. -V.A.G 1526 A -
t Measuring tool set -V.A.G 1594 A -
t Cooling spray
Test sequence
Connect vehicle system tester -V.A.G 1552- and select address word 01 "Engine
–
electronics". Ignition switched on.
Select 08 for the function "read measured value block" and further select display group
–
005.
Functional test of the sender:
Read off the intake air temperature value
in display field 4.
Display
1
2
Test box -V.A.G 1598/22-
Reading measured value block 5
->
0 rpm 12 V
Cause
214
54
67
90°C 53°C
Continue test