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19-35
If the coolant pump does not start:
- Replace After-Run Coolant pump -V51-.
If the coolant pump starts:
Checking activation
- Switch ignition off and on again.
Note: This check must be performed within If the LED does not light up: Electrical Wiring Diagrams, Troubleshooting & Component - Connect diode test lamp VAG 1527 B to disconnected connector LED must light up. - Locate and eliminate open circuit referring to wiring diagram: Cooling system components, servicing |