Efi Main Relay; Inspection Of Efi Main Relay; Inspect Relay Continuity; Inspect Relay Operation - Toyota 7M-GE Repair Manual

12 EFI SYSTEM - Electronic Control Svstem
EFI Main Relay . .
Fusible Link
EFI Main Relay
AM2 30A
(MA)
Fusible
(MA) MAIN 2.OL
Link
Ig
(MS) MAIN l.OY
ECU
.
FBI (Bi)
tB (B)
M-REL
El
Jo continuity Continuity
INSPECTION OF EFI MAIN RELAY
n Inl r-----x n i?d 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.
'3
BE0009
Continuity
Battery
2.
If continuity is not as specified, replace the relay.
INSPECT RELAY OPERATION
(a) Apply battery voltage across terminals 1 and 3.
(b) Check that there is continuity between terminals 2
and 4.
If operation is not as specified, replace the relay.