How do you test a VW glow plug relay?

How do you test a VW glow plug relay?

VW TDI Glow Plug Relay Test

1. Disconnect the coolant temperature sensor.
2. Turn the ignition to the on position.
3. Wait 20 seconds for the glow plug light to turn off.
4. Using the VAG 1551, read the fault code. If DTC 00522 appears, the glow plug relay is OK.

Why won’t my glow plug light come on?

If the light doesn’t light up, the glow plug is bad and should be replaced. Start by checking the battery voltage to the glow plug control module, a voltage drop of over a half volt (or more) means your control module should be replaced.

What is glow plug relay?

Glow plugs relays are a part of the ignition system in diesel cars. When you turn the key in the ignition, the glow plug control unit analyses input from the ECU to determine the timings and currents required by the plugs in order to start the car.

How do I know if my glow plug relay is working?

Starts here0:00Glow Plug relay Troubleshooting and Testing – YouTubeYouTube

Is there a fuse for glow plugs?

The high current side of the glow plug system does not have a replaceable fuse from the factory. The stock system uses fusible links. Check for power at the battery side of the glow plug relay. If you have no power there you’ve got a blown fusible link.

Where is the glow plug relay?

Starts here12:47Glow Plug Relay Replacement – 7.3 Powerstroke – YouTubeYouTube

What causes glow plug relay failure?

Most Common Cause of Glow Plug Relay Failure Like most other car parts, the glow plug relay can wear out naturally over time. Exposure to extreme temperatures as well as fluctuating electrical currents and misfiring injectors can also play a part in accelerating the process.

How do you bypass glow plugs?

Starts here5:18How to Bypass Glow Plug Relay 1988 F250 7.3 IDI 4×4! Part 2 – YouTubeYouTube

Where is the glow plug relay located on a VW Jetta?

01 Jetta 1.9 TDI Glow Plug Relay (J52). The glow plug relay is located underneath the driver side dashboard underneath the steering column you will find the relay panel it is relay# XXXXX in position #10 here’s a picture to help you out. Do you have a check engine light on? any faults?

How to negotiate price for replacement of glow plug relay?

If it was simply a relay, it would be simple for him to replace and avoid the whole discussion. Tell him to replace it and add it to whatever price you’ve negotiated. Supposedly the car has the incorrect amount of current running from to the glow plug relay and for this reason he believes it needs to be replaced.

Why is my glow plug system not working?

The harness is a frequent cause of trouble with the glow plug system due to the type of connection to the plugs. Sometimes cleaning the connection will fix the problem, but it may require harness replacement. The only way to be sure of the nature of the problem is to have the codes read with VCDS.