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

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I<br />

Model: XJ6 3,214,O Sovereign 3,214,O XJR 4,O XJ12 6,O<br />

Engine management<br />

EOBD<br />

type<br />

P1441<br />

P 1443<br />

P1506<br />

P1507<br />

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

Exhaust gas recirculation (EGR) solenoid<br />

Evaporative emission (EVAP) canister<br />

purge valve - open<br />

Evaporative emission (EVAP) canister<br />

purge valve<br />

Evaporative emission (EVAP) canister<br />

purge valve - circuit malfunction<br />

Evaporative emission (EVAP) canister<br />

purge valve<br />

Idle air control (IAC) valve - rpm lower<br />

than expected<br />

Idle air control (IAC) valve - rpm higher<br />

than ex~ected<br />

Idle air control (IAC) valve - circuit<br />

malfunction<br />

Idle air control (IAC) valve - circuit<br />

malfunction<br />

Closed throttle position (CTP) switch -<br />

low input<br />

Closed throttle position (CTP) switch -<br />

high input<br />

ParWneutral position (PNP) switch - high<br />

load neutralldrive<br />

ParWneutral position (PNP) switch - gear<br />

change neutralldrive<br />

ParWneutral position (PNP)<br />

switch - cranking neutralldr~ve<br />

Engine control module (ECM) -<br />

MIL circuit<br />

Engine control module (ECM)<br />

Enqine control module (ECM)<br />

P1622 1 Engine control module (ECM) I ECM<br />

Probable cause<br />

--<br />

wiring, EGR solenoid, EGR temperaturesensor, EGR solenoid<br />

Wiring, EVAP canister purge valve, ECM<br />

Wiring, EVAP canister purge valve, hose connection(s)<br />

Wiring, EVAP canister purge valve, ECM<br />

Wiring, EVAP canister purge valve, hose connection(s)<br />

Wiring, intake blocked, MAP sensor, IAC valve, fuel pressure,<br />

ECM<br />

Wiring, intake air leak, throttle valve sticking, MAP sensor, ECM<br />

Wiring open circuit, IAC valve, ECM<br />

Wiring short circuit, IAC valve, ECM<br />

Wiring, CTP switch, ECM<br />

Wiring, CTP switch, ECM<br />

Wiring, PNP switch<br />

Wiring, PNP switch<br />

Wiring, PNP switch<br />

Wiring, MIL, ECM<br />

ECM<br />

ECM<br />

Pl 641 I Fuel pump relay f - malfunction ( Wiring, fuel pump relay<br />

P1646<br />

P1775<br />

Fuel pump relay 2 - malfunction<br />

Engine control module (ECM) -<br />

TCM signal<br />

Engine control module (ECM) -<br />

TCM retard signal<br />

Engine control module (ECM) -<br />

TCM retard signal<br />

Wiring, fuel pump relay<br />

Wiring, ECM<br />

Wiring, ECM

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