Which terminals on the 1992 Geo Metro throttle switch are for the idle switch?

Per the diagram, terminals "A" and "B" are associated with the Idle Switch.

Which terminals are used for the wide open switch on the Metro throttle switch?

The diagram shows the Wide Open Switch is associated with terminals "B" and "C".

How is the throttle switch tested according to this figure?

An ohmmeter is connected to the throttle switch terminals (labeled A, B, and C on the connector) to check the idle and wide open switch circuits.

Does this diagram apply to automatic or manual transmission Metros?

The figure is labeled "Throttle Switch Terminal ID (Metro M/T)," so it applies to manual transmission models.

What is the source of this diagram?

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1992 Geo Metro Throttle Switch Terminal ID (M/T) - Ohmmeter Test Diagram

1992 Geo Metro throttle switch terminal ID test with ohmmeter showing A, B, C terminals

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Service-manual figure showing throttle switch terminal identification and ohmmeter test points for a 1992 Geo Metro.

AI caption June 2007 · Photo 404 of 1553

This document is page 2 of a Mitchell Repair Information (© 2005) service procedure excerpt titled "I - SYSTEM/COMPONENT TESTS 1992 ENGINE PERFORMANCE Geo System & Component Testing," covering the 1992 Geo Metro. It contains Figure 3, "Throttle Switch Terminal ID (Metro M/T)," courtesy of General Motors Corp. The illustration shows how to identify the three terminals — "A", "B", and "C" — on the throttle switch connector for a manual-transmission Geo Metro, and how to connect an ohmmeter to test the switch. The accompanying schematic shows that terminals "C" and "B" relate to the Wide Open (throttle) Switch, while terminals "B" and "A" relate to the Idle Switch. The drawing depicts the throttle switch mounted on the throttle body with the ohmmeter's leads attached to the switch terminals. The graphic reference number 90H18009 appears below the figure. The footer identifies the printout as generated by Five Star Automotive Repair on Friday, June 08, 2007 at 11:16:57 AM. A reader can learn which terminals correspond to the idle and wide-open throttle switch circuits when performing continuity/resistance testing on a 1992 Geo Metro throttle switch with a manual transmission.

This document covers 1992, which may differ from this 2000 Ford E350.

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Frequently asked questions

Which terminals on the 1992 Geo Metro throttle switch are for the idle switch?: Per the diagram, terminals "A" and "B" are associated with the Idle Switch.
Which terminals are used for the wide open switch on the Metro throttle switch?: The diagram shows the Wide Open Switch is associated with terminals "B" and "C".
How is the throttle switch tested according to this figure?: An ohmmeter is connected to the throttle switch terminals (labeled A, B, and C on the connector) to check the idle and wide open switch circuits.
Does this diagram apply to automatic or manual transmission Metros?: The figure is labeled "Throttle Switch Terminal ID (Metro M/T)," so it applies to manual transmission models.
What is the source of this diagram?: The figure is courtesy of General Motors Corp., published in a Mitchell Repair Information Company document (© 2005) for the 1992 Geo Metro.