Throttle Position Sensor - Toyota 22R-E Service Manual

Terminals
No.
ENGINE
Trouble
Ignition
No voltage
switch ON
IDL – E2 (E21)
(1) There is no voltage between ECM terminals IDL and E2 (E21).
(IG SW ON) (Throttle valve open)
(2) Check that there is voltage between ECM terminal + B (+ B1)
and body ground. (IG SW ON)
Refer to No. 1.
(3) Check throttle position sensor.
Replace or repair throttle
position sensor.
– MFI SYSTEM
Condition
Throttle valve open
Throttle valve fully dosed
Throttle valve fully open
BAD
Check wiring between ECM terminal E1 and body
ground.
BAD
Check wiring between ECM and

throttle position sensor.

Try another ECM.
EG1–163
STD Voltage
9 – 14V
4.5 – 5.5 V
0.3 – 0.8 V
3.2 – 4.9 V
Replace or repair.
BAD
Replace or repair.
BAD