Tacoma 4WD L4-164.4 2693cc 2.7L DOHC (3RZ-FE) (1996)
EFI Main Relay: Testing and Inspection
1. REMOVE EFI MAIN RELAY.
LOCATION: In the engine compartment relay box.
2. INSPECT EFI MAIN RELAY.
A. Inspect relay continuity.
-
Using an ohmmeter, check that there is continuity between terminals 86 and 85.
-
If there is no continuity, replace the relay.
-
Check that there is no continuity between terminals 87 and 30.
-
If there is continuity, replace the relay.
B. Inspect relay operation.
-
Apply battery positive voltage across terminals 86 and 85.
-
Using an ohmmeter, check that there is continuity between terminals 87 and 30.
-
If operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY.