Toyota 22R-E Service Manual page 474

Terminals
No.
ENGINE
Trouble
No voltage
Cranking
(1) There is no voltage between ECM terminals STJ and E1.
(IG SW START)
(2) Check that there is voltage between ECM terminal + B (+ B1 ) and
body ground. (IG SW ON)
(3) Check cold start injector.
Replace cold start
injector.
Check wiring between ECM terminal E1 and body ground.
Try another ECM.
– MFI SYSTEM
Condition
Engine coolant temperature
80 (176 F)
BAD
Check wiring between ECM and
cold start injector.
EG2–197
STD Voltage
Refer to No. 1.
BAD
Repair or replace
wiring.