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Fault code description for purge control valve, ME - AD07.61-P-4000-19L

    Purge control valve, voltage supply
1 Fault code
(USA ONLY Readout on generic scan tool)
P2026 (P0443)
2 Fault storage after expiry of test duration and fault
Actuation of the engine diagnosis indicator lamp (EURO3/4)
or CHECK ENGINE (MIL) malfunction indicator lamp USA ONLY
following two successive driving cycles with faults
3 Checking frequency Continuous
4 Checked signal or status Voltage and current at purge control valve
5 Fault setting conditions  Voltage lower than 4 volts
Limit values Current higher than 4.2 amps
Short circuit to ground
Short circuit to+12 V
Open circuit in wiring
No voltage on the purge control valve,
Approx. 4 to 8 V on under no load output of the ME control unit
approx. 1 seconds
Checking duration
6 IMPORTANT Actuation of the purge control valve is checked for to detect a line discontinuity and short-circuit (to ground or battery voltage). A short circuit to ground and a line discontinuity will be recognized when the output stages are locked, while a short circuit to the battery voltage is recognized when the output stages are conducting.
The output stage is immediately no longer activated when a fault arises.
USA ONLY If the purge control valve does not close (jams), the fault purge system has a gross leak will be stored.