Exhaust By-Pass Valve Not Working Correctly - Ducati Diavel Workshop Manual

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BBS and DB faults

PIN numbering of wiring harness side BBS unit connection.

Exhaust By-pass valve not working correctly

DDS: EXVL diagnosis -> Position error, Potentiometer, Short circuit to ground or open circuit (S.C. GND or C.O.),

Potentiometer short circuited to Vdc (Potentiometer S.C Vdc).

Dashboard: the error "EXVL" (exhaust bypass valve) is shown on the service display. The EOBD warning light activates.

Wiring diagram

M exhaust bypass valve motor with potentiometer S for position detection, BBS BBS unit connection. 10 BBS black/blue –

Bk/B, 15 BBS brown/red – Bn/R, 4 BBS yellow/blue – Y/B, 18 BBS black/orange – Bk/O, 19 BBS black/white – Bk/W.

Location of connections and components

Exhaust bypass valve connection.

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Diavel carbon