Toyota 22R-E Service Manual page 187

Terminals
No.
ENGINE
Trouble
No trouble (MIL off) and engine running
No voltage
(1) There is no voltage between ECM terminals W and E1.
(Idling)
(2) Check that there is voltage between ECM terminal W and body
ground.
Check GAUGE fuse (10 A) and MIL.
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
EG1–153
STD Voltage
BAD
Repair or replace.
BAD
Repair or replace.