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Trouble Godes - diagramas.diagram...

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

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

CaddylPickup TransporterlCaravelle LT 2,5 SDlITDl<br />

VAG type<br />

5-digit<br />

18312<br />

/Autodata<br />

EOBD type Fault location Probable cause<br />

Engine coolant hydraulic blower motor<br />

solenoid - open circuit/short to earth<br />

Charge air coolant pump relay - short to<br />

positive<br />

Charge air coolant pump relay - open circuit/<br />

short to earth<br />

Data bus, ECM 112 - defective<br />

Data bus, ECM 112 - software version<br />

monitoring<br />

Data bus, ECM 112 - no signal from ECM 1<br />

Data bus, ECM 112 - no signal from ECM 2<br />

Data bus, ECM 112 - circuit malfunction I Wiring, ECM 112<br />

Brake servo pressure sensor - open circuit/<br />

short to positive<br />

Brake servo pressure sensor - short to earth<br />

Brake servo pressure sensor - range1<br />

performance problem<br />

Engine mounting control solenoid,<br />

bank 1 8 2 - open circuit/short to earth<br />

Engine control module (ECM) 2 -<br />

malfunction<br />

CAN data bus, instrumentation - glow plug<br />

warning lamp<br />

Accelerator pedal position (APP) sensor -<br />

transmission kick-down switch<br />

1<br />

Engine management<br />

Wiring open circuiffshort to earth, engine coolant<br />

hydraulic blower motor solenoid<br />

Wiring short to positive, charge air coolant pump<br />

relay<br />

Wiring open circuiffshort to earth, charge air<br />

coolant pump relay<br />

Wiring<br />

Data in ECM I 8 ECM 2 does not match<br />

Wiring, ECM 1<br />

Wiring, ECM 2<br />

Wiring open circuiffshort to positive, brake servo<br />

pressure sensor<br />

Wiring short to earth, brake servo pressure<br />

sensor<br />

Vacuum leak, wiring, brake servo pressure sensor<br />

Wiring open circuiffshort to earth, engine<br />

mounting control solenoid<br />

<strong>Trouble</strong> code(s) stored<br />

Wiring, matching resistor in ECM<br />

APP sensor<br />

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

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

Camshaft position (CMP) sensor - no signal Air gap, insecure sensorlrotor, wiring,<br />

I CMP sensor<br />

Camshaft position (CMP) sensor - signal Insecure rotor, camshaft alignment<br />

Ilm~t exceeded<br />

Fuel cooling pump relay - short to positive<br />

Fuel cooling pump relay - open circuit/short<br />

to earth<br />

Wiring short to positive, fuel cooling pump relay<br />

Wiring open circuiffshort to earth, fuel cooling<br />

pump relay<br />

Fuel pump relay - short to positive I Wiring short to positive, fuel pump relay<br />

Fuel pump relay -open circuit/short to earth 1 Wiring open circuiffshort to earth, fuel pump relay<br />

Turbocharger (TC) wastegate regulating Wiring short to positive, TC wastegate regulating<br />

valve B - short to positive valve<br />

- - -- -<br />

Turbocharger (TC) wastegate regulating - Wiring open circuiffshort to earth, TC wastegate<br />

valve B - open circuitlshort to earth regulating valve<br />

Fuel bypass valve - short to positive<br />

Fuel bypass valve - open circuit/short to Wiring open circuiffshort to earth, fuel bypass<br />

earth valve<br />

Gear ratio - implausible I Transmission fault<br />

Wiring short to positive, fuel bypass valve<br />

Eng~ne management 757

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