What is a relay on a VW Jetta?
VW Power Supply Relays are just a heavy duty switch that allows a little bit of electricity to control something that needs a lot of electricity. This relay is for the Power Supply, and if it fails, it can make the whole car quit just like someone turned off the key.
What should I do if I have a leak in my Jetta?
Your Jetta should be parked on a level surface and your 2.0 liter engine should be cold to the touch. If the power steering fluid level in your Jetta is low, fill it up to the maximum line with power steering fluid and check it again in a week to determine if you have a leak.
How to check your power steering fluid level?
If the power steering fluid level in your Jetta is low, fill it up to the maximum line with power steering fluid and check it again in a week to determine if you have a leak.
Why is the radiator fan not working on a Volkswagen Jetta?
If your Jetta has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor. Depending on the model year and engine, the location varies.
What are the symptoms of a bad engine control module?
1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting 5. Poor Fuel Economy The engine control module (ECM), also commonly referred to as the engine control unit (ECU) or powertrain control module (PCM), is one of the most important components found on virtually all modern vehicles.
Where is the fuse box located on a Volkswagen Jetta?
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Engine compartment fuse box Relay carrier on onboard supply control unit (left under dash panel) The instrument panel fuse panel Additional relay carrier, under box in engine compartment
Where are the running lights on a Jetta IV?
Daytime Running Lights Change-over Relay Location 8 through 3/99; location 7 from 4/99 J207 53/185 (See Note) 3 D/50b Starting Interlock Relay Manual transmission only; 185 through 4/99; 53 from 5/99 J226 175 11 S176 S7 Park/Neutral Position Relay Automatic transmission only J271 428 X S10 Motronic ECM Power Supply Relay Gasoline engine only
What does a VW power supply relay do?
Jetta, Golf, Cabrio, Passat 1993-2005 all engines. VW 109 Power Supply Relay – Jetta, Golf, Passat. VW Power Supply Relays are just a heavy duty switch that allows a little bit of electricity to control something that needs a lot of electricity.