· Oxygen
sensor voltage is in the range 350 mV to 550 mV
(circuit interruption, oxygen
sensor defect)
· Condition
must be fulfilled for at least 2.5 s
Condition for approval of
fault storage:
The fault is stored and the
replacement value called up if the following conditions are fulfilled
consecutively:
1.) Coolant temperature higher
than 70 °C / 158 °F
2.) Condition 1.) fulfilled for
3 min
3.) Load signal greater than
1.7 ms
4.) After conditions 1.) to 3.)
are fulfilled, waiting period of 5.1 s elapsed
5.) Trouble codes 73 and 74 not
recognized
Replacement values:
· 450 mV
(oxygen sensor control switched off)
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