After-Run Coolant Pump V51 , checking
WARNING: This page is about a different variant/trim than selected.
Special tools, testers and auxiliary items required
- Voltage tester V.A.G 1527B
- Connector test set V.A.G 1594C
- Wiring diagram
Test conditions
- All fuses must be OK.
Test sequence
- Pull off 2-pin connector from After-Run Coolant Pump V51.
- Connect contacts of after-run coolant pump V51 to battery, using adapter cables from connector test set V.A.G 1594C. After-Run Coolant Pump V51 must start running.
If after-run coolant pump V51 does not start running:
- Replace after-run coolant pump V51.
If after-run coolant pump V51 does starts running:
- Turn ignition off and then on again.
- Connect voltage tester V.A.G 1527B to disconnected connector of after-run coolant pump V51 , using adapter cables from connector test set V.A.G 1594C. LED must light up.
NOTE:
- This test must be performed inside of 5 min. after the ignition has been switched off.
If LED does not light up:
- Determine and eliminate open circuit according to electrical schematics:, refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations