Toyota 22R-E - VCC-E2 (E21); Vta-E2 (E21); Here Is no Voltage between ECM Terminals VCC and E2 (E21) (IG SW ON); There Is no Voltage between ECM Terminals VTA and E2 (E21 ) (IG SW ON)

(2) Check that there is voltage between ECM terminals Vcc and
E2 (E21). (IG SW ON)
(1) There is no voltage between ECM terminals VTA and E2 (E21 ).
(IG SW ON)
Check that there is voltage between ECM terminals + B (+ B1)
and E1. (IG SW ON)
(1)There is no voltage between ECM terminals Vcc and E2(E21)
(IG SW ON)
Check throttle position sensor.
Check wiring between ECM and
throttle position sensor.
Check wiring between ECM and
throttle position sensor.
(2) Check throttle position sensor.
Perform inspection of
Vcc – E2(E21).
Repair or
replace wiring.
• VTA – E2 (E21 )
• Vcc – E2 (E21)
Try another ECM.
Try another ECM.
Repair or replace.
Repair or replace.
Repair or replace.
Refer to No. 1.
BAD
BAD
BAD
BAD
–ENGINE MFI SYSTEM
EG1–128