Efi Main Relay Inspection; Inspect Relay Continuity; Inspect Relay Operation - Toyota 22R-E Service Manual

EG1–206
ENGINE – MFI SYSTEM
EFI MAIN RELAY

EFI MAIN RELAY INSPECTION

1. INSPECT RELAY CONTINUITY

(a) Using an ohmmeter, check that there is continuity
between terminals 1 and 3.
(b) Check that there is no continuity between terminals 2
and 4.
(c) Check that there is no continuity between terminals 3
and 4.
If operation is not as specified, replace the relay.

2. INSPECT RELAY OPERATION

(a) Apply battery voltage across terminals 1 and 3.
(b) Using an ohmmeter, check that there is continuity
between terminals 2 and 4.
If operation is not as specified, replace the relay.