-
‒ Observe Lambda regulation in display zone 1. The display must fluctuate at least 2 % in the range
-10.0...10.0 %
-
‒ Check Lambda probe voltage in display zone 2. The voltage must
fluctuate at least 20 times per minute
in range of
0... 1.0 V.
If the display in display zone 2 remains constantly at a value:
-
‒ Continue check according to following table.
|
---|
Display
|
Cause
|
Continuation of check
|
Between 0.400...
0.500 V
|
Open circuit
|
=> Page 24-99
checking Lambda probe wiring
|
1.105 V
|
Short to positive
|
|
0.000 V
|
Short to earth
|
|
If the Lambda regulation in display zone 1 does not fluctuate as stated:
-
‒ Press ⇒key.
-
‒ Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
-
‒ Carry out road test and burn Lambda probes clean and repeat check.
Observe the valid safety precautions when carrying out a road test => Page 24-29
.
If the the specifications in display zone 1 are not obtained even after a test drive, or the value does not fluctuate by at least 2 %:
-
‒ Replace Lambda probe before catalyst (G39).
|