toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Relays and Modules - Fuel Delivery and Air Induction > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations|Page 2564
Page 2
background image

LOCATION: In the engine compartment relay box.

2. INSPECT EFI NO.2 RELAY

A. Inspect relay continuity

(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 5.

If there is continuity, replace the relay.

B. Inspect relay operation

(a) Apply battery positive voltage across terminals 1 and 2.
(b) Using an ohmmeter, check that there is continuity between terminals 3 and 5.

If there is no continuity, replace the relay.

3. REINSTALL EFI NO.2 RELAY

Relays and Modules - Fuel Delivery and Air Induction > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations|Page 2564