toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

EFI Main Relay <--> [Main Relay (Computer/Fuel System)] > < Diagram Information and Instructions|Page 3825
Page 1
background image

Circuit Opening Relay: Testing and Inspection

INSPECTION 

1. Remove lower finish No.1 panel.
2. Remove circuit opening relay.
3. Inspect circuit opening relay.

(a) Using an ohmmeter, check that there is continuity between terminals 1 and 2.

If there is no continuity, replace the relay.

(b) Check that there is no continuity between terminals 3 and 4.

If there is continuity, replace the relay.

(c) Apply battery positive voltage across terminals 1 and 2.
(d) Using an ohmmeter, check that there is continuity between terminals 3 and 4.

If operation is not as specified, replace the relay.

4. Reinstall circuit opening relay.
5. Reinstall lower finish No.1 panel.

EFI Main Relay <--> [Main Relay (Computer/Fuel System)] > < Diagram Information and Instructions|Page 3825