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When doing this the engine must be idling.
-> Indicated on display:
Rapid data transfer HELP
Select function XX
- Press keys 0 and 8 for the function "Read measured value block" and confirm entry with Q key.
-> Indicated on display:
Read measured value block
Enter display group number XXX
- Press keys 0, 9 and 3 to select Display Group 93 and confirm entry with Q key.
-> Indicated on display:
Read measured value block 93
1 2 3 4
- Check display values for Hall senders.
Display zones
1
2
3
4
Display Group 93: Phase positions of Hall senders (Bank 1 and Bank 2) with engine idling
Display
xxx rpm
xx %
0 ± 6 ° crankshaft
0 ± 6 ° crankshaft
Indicates
Engine speed
Engine load
Phase position
Bank 1
Phase position
Bank 2
Range
min.: 550 rpm
max.: 6800 rpm
min.: 0 %
max.: 100 %
-20.3....14.8 °
crankshaft
-20.3....14.8 °
crankshaft
Specification
650...750 rpm
12...26 %
0 ± 6 °
crankshaft
0 ± 6 °
crankshaft
Note
If the readouts do not match the specifications, unbolt the
Hall sender and check whether the rotor ring is properly
mounted on the camshaft. If it is not properly mounted, the
retainer lug will be squashed flat when the securing bolt is
tightened.
- Also check the engine timing.
=> Engine, Mechanics; Repair group 13; Crankshaft group,
Removing and installing ribbed belt, Removing and instal‐
ling toothed belt Crankshaft group, Removing and installing
ribbed belt, Removing and installing toothed belt
Audi A8 1994 ➤
Motronic injection and ignition system (6-cylinder) - Edition 02.1999
1.11 - Testing Hall senders-G40and-G163
109
