A4 Quattro Sedan V6-2.8L (ACK) (1997)
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Continuity (approximately 0 ohm):
Little or no resistance indicates that there is a continuous conductive path between the two test points. As shown, this is correct for the normally
Closed Throttle Position switch in the Closed Throttle Position (switch not actuated). Also check that the switch opens (no continuity) when
actuated by the throttle.
No Continuity:
There is resistance to current flow through the switch. In the example, this indicates that the normally Closed Throttle Position switch or the wires
between it and the connector (t3) are malfunctioning.
Example 2: Checking A Wide Open Throttle Position Switch
Testing For Resistance Or Continuity
Continuity (approximately 0 ohm):
Little or no resistance indicates that there is a continuous conductive path between the two test points. In the example, this indicates that the
normally Wide Open Throttle Position switch is malfunctioning.
No Continuity:
There is no connection-an open circuit. As shown, this is correct for the normally Wide Open Throttle Position switch. Also check that the switch
closes, completing the circuit, when actuated by the Wide Open Throttle Position switch.