RS 6 V8-4.2L Turbo (BCY) (2003)
Part 2
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Connect voltage tester VAG 1527 B as follows:
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LED should light up.
If LED does not light up:
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Test for open circuit in wiring from contact 2 of connector to Coolant Circulation Pump Relay -J151 - according to wiring diagram.
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Eliminate open circuit in wiring (refer to wiring diagram).
If no wiring fault is detected:
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Check Coolant Circulation Pump Relay -J151-.
If LED lights up:
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Replace After-Run Coolant Pump N51 -.
Install in reverse sequence; note following points:
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Install air filter housing.