Volkswagen Passat 1995 Official Factory Repair Manual page 1740

On Board Diagnostic (OBD II)
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On Board Diagnostic (OBD II)
Function
The Motronic Engine Control Module (ECM) -
J220- for the fuel injection and ignition system is
equipped with a Diagnostic Trouble Code (DTC)
memory.
If malfunctions occur in the sensors and
components being monitored, they will be stored
in the DTC memory together with an indication of
the type of malfunction.
The stored malfunctions are displayed after
initiating the malfunction display
After malfunctions have been eliminated, DTC
memory must be erased (
the repair must be verified via the appropriate
display group Page 01-33
creating.
The readiness code must be created again after
every time the DTC memory is erased and when
the voltage supply to ECM -J220- is interrupted
Page 01-33 .
Page 1 of 6
Page 01-12 .
Page 01-29 ) and
, Readiness code,
12/6/2004
01-1