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

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1 I,,,,,,,,,,<br />

758 /<strong>Autodata</strong><br />

F e management<br />

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

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

CaddylPickup TransporterlCaravelle LT 2,5 SDllTDl<br />

vAG 1 EOBD type<br />

5-digit<br />

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

Probable cause<br />

CAN data bus, instrumentation - implausible<br />

ECT signal<br />

Intake manifold air control solenoid - short to<br />

~ositive<br />

Intake manifold air control solenoid - open<br />

circuitlshort to earth<br />

Heated oxygen sensor (H02S) 2,<br />

bank 1 & 2 - interchanged<br />

CAN data bus, ABS - defective<br />

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

Wiring, matching resistor in ECM<br />

Wiring short to positive, intake manifold air<br />

control solenoid<br />

Wiring open circuitlshort to earth, intake manifold<br />

air control solenoid<br />

H02S 2 on bank 1 8 2 incorrectly installed<br />

ABS trouble code(s) stored, wiring, matching<br />

resistor in ECM<br />

I ECM<br />

<strong>Trouble</strong> code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code if<br />

engine starts.<br />

Located at rear of exhaust camshaft.<br />

Throttle control unit incorporates the following components: TP sensor, CTP switch (if fitted), ISC actuator/position sensor or throttle<br />

motorlposition sensor.<br />

May also produce HT voltage for cylinder 4.<br />

May also produce HT voltage for cylinder 3.<br />

Incorporates heated oxygen sensor (H02S) 2.

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