Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Transmission Control System Relay: Testing and Inspection





EATX RELAY CHECK
1. Remove the EATX relay.
2. Check the continuity between the EATX relay terminals 4 and 6.





3. Use jumper leads to connect EATX relay terminal 4 to the battery (+) terminal and terminal 6 to the battery terminal.





4. Check the continuity between EATX relay terminals 2 and 8 while connecting and disconnecting the jumper lead at the battery (-) terminal.
5. If there is a defect, replace the EATX relay.