This may not be exactly what you'll looking for, but likely more useful than the above. You can manually engage pump (done as part of the coolant flush procedure):
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set the heater to max, turn the heater fan to min, and without starting the engine, bring on the ignition, while holding the accelerator pedal in the fully depressed position for 10 seconds.
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If the pump doesn;t start, it's probably kaput.