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· System is
not in TECH 1 diagnostic mode
· Final stage
diagnosis in control unit:
Incorrect voltage condition at output Ter. F14 of
control unit (ignition signal EST- B) is recognised 6 times (short circuit to
ground)
Effects:
· The injectors
for cylinder pair 2- 3 are switched off
· Oxygen
sensor regulation is switched off, i.e. open oxygen sensor loop
· The engine
telltale is ON
If trouble
codes 63 and 64 are recognised simultaneously:
· Engine not running: The injectors
for cylinder pairs 1- 4 and 2- 3 are switched off
· Engine running: The
cylinder pair where the fault first occurred is switched off.
or:
· System is not
in TECH 1 diagnostic mode
· Final stage
diagnosis in control unit:
Incorrect voltage condition at output Ter. F14 of
control unit (circuit interruption)
· On ignition ON
the fault is recognised immediately
Effects:
· The injectors
for cylinder pairs 1- 4 and 2- 3 are switched off
· The engine does
not start.
· The engine
telltale is ON
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