Bosch ETT 008.31, Repair Instructions

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20
4.4 Fine-tuning mode (switch S 60 at position 2, upper-range values, activation of temperature compensation and setting
appropriate version for country of use)
Procedure Display
Press button Press simultaneously Current measured Current setting value Function symbol in
value in display in engine-speed temperature dislpay window
window window
Select 1 x - - - - HC x x x x
E.An E.An E.An E.An E.An
Enter
o
HC x x x x
E.Ei E.Ei E.Ei E.Ei E.Ei
With the "Enter
o
" and "Test
u
" buttons, the current setting value can now be changed until the current
measured value matches the test-gas concentration.
Select 2 x - - - - CO x x x x
E.An E.An E.An E.An E.An
Enter
o
CO x x x x
E.Ei E.Ei E.Ei E.Ei E.Ei
With the "Enter
o
" and "Test
u
" buttons, the current setting value can now be changed until the current
measured value matches the test-gas concentration.
Select 3 x - - - - C0
2
x x x x
E.An E.An E.An E.An E.An
Enter
o
CO
2
x x x x
E.Ei E.Ei E.Ei E.Ei E.Ei
With the "Enter
o
" and "Test
u
" buttons, the current setting value can now be changed until the current
measured value matches the test-gas concentration.
Select 4 x - - - - HC + CO + CO
2
x x x x
tb.An tb.An tb.An tb.An tb.An
Enter
o
HC + CO + CO
2
x x x x
tb.Ei tb.Ei tb.Ei tb.Ei tb.Ei
When the entry is set to "
YE5 tb.Ei YE5 tb.Ei YE5 tb.Ei YE5 tb.Ei YE5 tb.Ei
", temperature compensation is activated.
Select 5 x - - - - Engine speed
U 13 U U 13 U U 13 U U 13 U U 13 U tY.An tY.An tY.An tY.An tY.An
Enter
o
Engine speed
U 13 U U 13 U U 13 U U 13 U U 13 U tY.Ei tY.Ei tY.Ei tY.Ei tY.Ei
For setting see Section 6.7