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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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hkT'<br />

LAND ROVER Model:<br />

Engine managementltransmission<br />

Freel<strong>and</strong>er 1,8 Freel<strong>and</strong>er 2,OD Turbo Freel<strong>and</strong>er 2,O TD4 Freel<strong>and</strong>er 2,5<br />

Discovery 2,5 TD5 Discovery 4,O Range Rover 3,O TD6 Range Rover 4,014,414,6<br />

EOBD<br />

t~ pe<br />

PI171<br />

1<br />

<strong>Fault</strong> location<br />

System too lean, bank 1<br />

Probable cause<br />

lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT<br />

sensor<br />

PI172 1 System too rich, bank 1 & 2 lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT<br />

sensor<br />

PI173 Downstream fuel trim (FT), bank 2 - lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT<br />

malfunction<br />

sensor<br />

PI174 / System too lean, bank 2<br />

PI188<br />

PI189<br />

Fuel trim (FT), bank 1 - adaptation<br />

Fuel trim (FT), bank 2 - adaptation<br />

PI230 I Fuel pump relay - open circuit I Wiring, relay<br />

PI231 I Fuel pump relay - short circuit to positive 1 Wiring, relay<br />

PI231<br />

PI232<br />

Fuel pump - high speed<br />

Fuel pump relay - short circuit to earth<br />

lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT<br />

sensor<br />

lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT<br />

sensor<br />

lntakelfuel system, injectors, H02S, MAFNAF sensor, ECT sensor<br />

Wiring, supply voltage, earth connection, fuel pump, ECM<br />

Wiring, relay<br />

PI232 El I Fuel pump - circuit malfunction I Wiring, supply voltage, earth connection, fuel pump, ECM<br />

PI235 1 Fuel pump - rangelperformance problem I Wiring, fuel pump, ECM<br />

PI244 1 Alternator, load input - voltage low I Wiring short to earth, alternator, ECM<br />

PI 245<br />

PI 246<br />

Alternator, load input - voltage high<br />

Alternator, load input - circuit malfunction<br />

PI260 1 Engine disabled by PATS I lncorrectldamaged key,wiring, immobilizer defective, ECM<br />

PI270<br />

PI 287<br />

Engine speed (RPM)- rangelperformance<br />

problem<br />

Engine fuel dem<strong>and</strong> - range/performance<br />

problem<br />

Wiring short to earth, battery was disconnected, alternator, ECM<br />

Wiring, earth connection, alternator, ECM<br />

Engine over revved in neutral, wheel slippage<br />

lntakelexhaust leak, intake blocked, MAFNAF sensor, fuel<br />

pressurelpump, injector@), EGR system, EVAP canister purge<br />

valve. H02S<br />

PI288 Cylinder head temperature - range1 I Wiring, cooling system fault, ECM<br />

performance problem<br />

PI289 1 Cylinder head temperature -voltage high 1 Wiring, cooling system fault, ECM<br />

PI290 I Cylinder head temperature -voltage low I Wiring, cooling system fault, ECM<br />

PI299 1 Cylinder head temperature - protection active I Wiring, cooling system fault, ECM<br />

PI 300<br />

R<strong>and</strong>omlmultiple cylinder@) - misfire<br />

detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

PI 301 I Cylinder 1 - misfire detected Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

PI 302 Cylinder 2 - misfire detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

PI 303 Cylinder 3 - misfire detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

PI 304 Cylinder 4 - misfire detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

PI 305 Cylinder 5 - misfire detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM<br />

I<br />

PI 306 Cylinder 6 - misfire detected<br />

Engine mechanical fault, wiring, ignitionlfuel system, injector,<br />

ECTIMAF sensor, ECM

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