Visual Check And Contact Pressure Check

1. Disconnect the connectors at both ends.
2. Check for rust or foreign material, etc. in the terminals of the connectors.
3. Check crimped portions for looseness or damage and check that the terminals are secured in lock portion.

   HINT:

   The terminals should not come out when pulled lightly from the back.

   Fig 1: Checking Rust Or Foreign Material, ETC In Terminals Of Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Prepare a test male terminal and insert it in the female terminal, then pull it out.

HINT:

When the test terminal is pulled out more easily than others, there may be poor contact in that section.