Vc-E2 (E21); Vta-E2 (E21) - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM
VC – E2 (E21)
(1) There is no voltage between ECM terminals VC and E2 (E21).
(IG SW ON)
Check that there is voltage between ECM terminals + B1( + B) and E1.
(IG SW ON)
(2) Check throttle position sensor.
BAD
Repair or replace.
Try another ECM.
VTA – E2 (E21)
(1) There is no voltage between ECM terminals VTA and E2 (E21).
(IG SW ON)
(2) Check that there is voltage between ECM terminals VC and E2 (E21) .
(IG SW ON)
(3) Check throttle position sensor.
Check wiring between ECM and
throttle position sensor.
Try another ECM.
Refer to No. 1.
Check wiring between ECM and
throttle position
Repair or replace
wiring.
Perform inspection of
VC – E2 (E21).
BAD
Repair or replace.
BAD
Repair or replace.
EG2–189
BAD