There Is No Voltage Between Ecm Terminals W And Ei (Idling) - Toyota 22R-E Service Manual

EG2–196
Terminals
No.
ENGINE
Trouble
No trouble (malfunction indicator
No voltage
lamp off) and engine running
(1) There is no voltage between ECM terminals W and El.
(idling)
(2) Check that there is voltage between ECM terminal W and body
ground.
Check GAUGE fuse
(10A) and malfunction indicator lamp.
Check wiring between ECM
terminal W and fuse.
– MFI SYSTEM
Condition
(3) Check wiring between ECM terminal E1 and body
ground.
Try another ECM.
BAD
Repair or replace.
Fuse blows again
STD Voltage
BAD
Repair or replace.
BAD
Repair or replace.