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· Engine running
· Coolant temperature higher than 20 °C/68 °F
· Following trouble codes not
stored: 33, 34
· Only for control units up to Model Year 91: C 14
NZ The fault is recognized by the control unit if the oxygen sensor voltage
is greater than 750 mV for longer than 45 s.
· Only for control units as of Model Year 92: C 12
NZ, C 14 NZ
The fault is recognized by the
control unit if the oxygen sensor voltage is greater than 750 mV for longer
than 90 s.
If
trouble code 13 was recognized, the control unit takes 450 mV as replacement
voltage (oxygen sensor control switched off).
Note:
If the oxygen sensor is wrapped
in aluminium foil, remove the foil. Then delete trouble code. If trouble code
45 is set again, start trouble-shooting.
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