· Engine not in operating condition:
deceleration fuel cutoff and full load
· Engine running at idle speed
Coolant temperature higher
than 31 °C / 88 °F
or
· Engine running in load range
Coolant temperature higher
than 31 °C / 88 °F
· Oxygen sensor control limit
"lean" attained for 10 s
· Controlled canister purge valve closed
· Following trouble codes not stored: 61
· Oxygen sensor heating is actuated for
5 s at 100 %
· After oxygen sensor heating phase has
elapsed, oxygen sensor voltage is lower than 60 mV
(short circuit to ground or
circuit interruption)
· Conditions must be fulfilled for at least
5 s
Effects:
· Oxygen sensor regulation and controlled
canister purge valve regulation are blocked
· The controlled canister purge valve is
actuated at a minimum value
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