Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) L4-1.8L TURBO (AWM)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORLOCATIONSFROM 08.99
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)
From 08.99
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION From 08.99
Electrical and electronic components, locations
CAUTION!
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch the ignition OK
- Disconnect the battery Ground (GND) strap.
- After reconnecting battery, re-code and check operation of anti-theft radio.
1 - Sender for fuel gauge -G-
- Monitored by OBD
- Location, frontwheel drive models See Fig.- 1
- Location, all-wheel drive models See Fig.- 2.
- Two additional fuel senders are installed on all- wheel drive models
- Location, -G169- See Fig - 3.
- Location, -G237- See Fig.- 4.
2 - Outside air temperature sensor -G17-
- Monitored by OBD
- Location See Fig.- 5.
3 - Speedometer- Vehicle Speed Sensor (VSS) -G22-
- Monitored by OBD
- Location See Fig.-6.
4 - Engine -Coolant Temperature (ECT) Sensor -G2-
- Location depends engine type See Repair Manual, Fuel Injection and Ignition, Repair Group 24
- Monitored via self diagnosis.
5 - Oil level thermal sensor -G266*
- Location on engine oil pan See Repair Injection and Ignition, Repair Group 24
- Monitored by OBD
6 - Instrument cluster -K-
- Monitored by OBD
*) Where applicable
Fig. 1 Sender for fuel gauge -G-, location (front-wheel drive models)
Sender is integrated into housing along with fuel pump-G6- -arrow-.
Access through removable panel in luggage compartment floor, right rear.
Removing and installing See Repair Manual, Engine Mechanical, Repair Group 20.
Fig. 2 Sender for fuel gauge -G-, location (all-wheel drive models)
Sender is integrated into housing along with fuel pump -G6-, right side -arrow-. Access thought rear passenger compartment, under rear seat cushion.
Removing and installing See Repair Manual, Engine Mechanical, Repair Group 20.
Fig. 3 Sender 2 for fuel supply -G169-, location (all-wheel drive models)
In addition to sender -G-, two additional fuel gauge senders are installed in all- wheel drive models. Sender -G169- is located to left of sender -G- -arrow-.
Fig. 4 Sender 3 for fuel supply -G237-, location (all-wheel drive models)
Sender is installed on fuel tank -arrow-.
Access through removable panel in luggage compartment floor, right rear.
Fig. 5 Outside air temperature sensor -G17-, location
Sensor is located ahead of radiator -arrow-.
Access or remove sensor by removing front bumper assembly.
Fig. 6 Speedometer Vehicle Speed Sensor (VSS) -G22-, location
Sender is located on transmission housing, left, near drive flange -arrow-.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.