+B (+B1)-E1 - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM
+B (+B1) –E1
(1) There is no voltage between ECM terminals + B (+ B1) and E1.
(IG SW ON) .
(2) Check that there is voltage between ECM terminal + B (+ B1 ) and
body ground. (IG SW ON)
(3) Check wiring between ECM terminal El and
body ground.
Try another ECM.
Check fuse, fusible link and ignition
switch.
Check EF 1 main relay.
Check wiring between E F I main relay
and battery.
Check wiring between EFI main relay
and ECM terminal + B (+B1).
EG2–187
SAD
Repair or replace.
BAD
Repair or replace.
BAD
Replace.
BAD
Repair or replace.
BAD
Repair or replace.