There Is No Voltage Between Ecm Terminals + B (+ B1) And E1 (Ig Sw On) - Toyota 22R-E Service Manual

EG1–144
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 E1 and
body ground.
Try another ECM.
Check fuse, fusible link and ignition
switch.
Check EFI main relay.
Check wiring between EFI main relay
and battery.
Check wiring between EFI main
relay and ECM terminal + B (+ B1).
BAD
Repair or replace.
BAD
Repair or replace.
BAD
Replace.
BAD
Repair or replace.
BAD
Repair or replace.