Idl-E2 (E21) - Toyota 22R-E Service Manual

EG2–188
Terminals
No.
ENGINE
Trouble
Ignition
No voltage
switch O N
IDL – E2 (E21)
(1) There is no voltage between ECM terminals IDl. and E2 (E21).
(2) Check that there is voltage between ECM terminal + 131 (+ B ) and
Refer to No. 1.
(3) Check throttle position sensor.
Replace or repair throttle
position sensor.
– MFI SYSTEM
Condition
Throttle valve open
Throttle valve fully closed
(Throttle opener must be
cancelled first)
Throttle valve fully open
(IG SW ON) (Throttle valve open)
body ground. (IG SW ON)
BAD
Check wiring between ECM terminal E1 and body
ground.
BAD
STD Voltage
Replace or repair.
Replace or repair.
Check wiring between ECM and
throttle position sensor.
Try another ECM.
BAD
BAD