Operation CHARM: Car repair manuals for everyone.

Thermo Time Switch: Testing and Inspection


1. Disconnect the electrical connector to the Cold Start Time Switch.
2. Using an ohmmeter, measure the resistance between each terminal.

Testing Cold Start Time Switch Resistance:






3. Refer to the resistance table for the correct resistance specifications.

Cold Start Time Switch Resistance Table:






4. If the resistance is not as specified, replace the Cold Start Time Switch.
5. Reconnect the electrical connector.