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

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VOLKSWAGEN<br />

Model: Lupo Polo 1,3 PololClassic/Estate GolfNentolBoralCabrio<br />

Beetle Passat Corrado (08192-95) Sharan<br />

CaddylPickup TransporterlCaravelle LT 2,5 SDl/lDl<br />

Engine management<br />

type<br />

5-digit<br />

01126<br />

EOBD type<br />

I I I<br />

- [ Engine RPM signal / Wiring, CKPlRPM sensor, instrument panel<br />

01163 I - I Backfire I<br />

01167 I - I<br />

01168<br />

01169<br />

01170<br />

01177<br />

01180<br />

-<br />

-<br />

-<br />

-<br />

-<br />

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

ldle speed control (ISC) actuatorlthrottle<br />

motor<br />

Probable cause<br />

Intake leak, wiring, ignition amplifier, injector(s)<br />

Accelerator cable adjustment, throttle valve,<br />

wiring, ISC actuatorlthrottle motor, basic setting<br />

not carried out<br />

Full throttle stop solenoid 1 Wiring, full throttle stop valve<br />

Idle speed boost solenoid<br />

Wiring, full throttle stop valve, idle speed boost<br />

solenoid<br />

Door contact switch, driver's<br />

Wiring, door contact switch<br />

Fuel injection timing sensor<br />

Wiring, fuel injection timing sensor<br />

Engine control module (ECM)- defective ECM<br />

EnginelAC electrical connection<br />

Wiring<br />

Mass air flow (MAF) sensorlthrottle position<br />

(TP) sensor - signal incompatibility<br />

Malfunction indicator lamp (MIL)- circuit<br />

malfunction<br />

Throttle valve sticking, ISC actuatorlthrottle motor<br />

stickinglmechanically damaged, incorrect throttle<br />

control unit, intake leak between<br />

MAF sensor <strong>and</strong> throttle valve, air filter blocked<br />

ECM incorrectly coded, wiring, MIL<br />

01193 1 - I Engine coolant heater relay 1, low output I Wiring, engine coolant heater relay<br />

01194 1 - Engine coolant heater relay 2, high output I Wiring, engine coolant heater relay<br />

01196 ( - I CAN data bus, TCM - incorrect signal I Wiring<br />

01204 1 - I Engine coolant temperature (ECT) sensor I Wiring, ECT sensor<br />

01208<br />

01209<br />

01235<br />

01237<br />

01242<br />

01243<br />

01247<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

I -<br />

Engine control module (ECM)- data<br />

changed<br />

Alternator speed signal<br />

Secondary air injection (AIR) solenoid<br />

Fuel shut-off solenoid<br />

Engine control module (ECM)- output<br />

stages<br />

Intake manifold air control solenoid<br />

Evaporative emission (EVAP) canister purge<br />

valve<br />

ECM<br />

Wiring, alternator<br />

Wiring, AIR solenoid<br />

Wiring, fuel shut-off solenoid<br />

Wiring, ECM controlled components<br />

01249 1 - I Injector 1 I Wiring, fuse, injector<br />

01250 1 - I Injector 2 I Wiring, fuse, injector<br />

01251 I - I Injector 3 I Wiring, fuse, injector<br />

-<br />

01252<br />

01253<br />

01254<br />

01257<br />

01259<br />

01262<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-- - -<br />

Injector 4<br />

Injector 5<br />

Injector 6<br />

Idle air control (IAC) valve<br />

Fuel pump relay<br />

Turbocharger (TC) wastegate regulating<br />

valve<br />

01 265 I - I Exhaust qas recirculation (EGR) solenoid I Wiring. EGR solenoid<br />

Wiring, intake manifold air control solenoid<br />

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

Wiring, fuse, injector<br />

Wiring, injector<br />

Wiring, injector<br />

Wiring, IAC valve<br />

Wiring, fuse, fuel pump relay<br />

Wiring, fuse, TC wastegate regulating valve<br />

01266 1 - ( Glow plug relay I Wiring, glow plug relay

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