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944 Maintenance, Self-diagnosis
03
Error code 1133
Error code 1133 draws attention to an
error in
the area of the knock control in the DME
con-
trol unit. If this error code appears, the
DME
control unit must be replaced.
Error code 1134
This error code draws attention to an error in
the area of the Hall generator.
87/904
Possible errors:
Ground fault
Short to positive
Wire discontinuity
Testing the Hall generator signal
Using a suitable auxiliary æble, connect an os-
cilloscope to the diagnosis plug, pin 9 (square-
wave signal) and pin 2 (ground). If the Hall
gen-
erator signal is O.K., the following picture must
appear on the oscilloscope's screen.
Troubleshooting
Printed in Germany - XVI, 1987
03 - 27