Throttle Body On-Vehicle Inspection - Toyota 22R-E Service Manual

EG2–236
ENGINE – MFI SYSTEM
THROTTLE BODY
ON–VEHICLE INSPECTION
1. INSPECT THROTTLE BODY
(a) Check that the throttle linkage moves smoothly.
(b) Check the vacuum at each port.
Start the engine.
Check the vacuum with your finger.
Port name
2. INSPECT THROTTLE POSITION SENSOR
(a) Apply vacuum to the throttle opener.
(b) Disconnect the sensor connector.
(c) Insert SST between the throttle stop screw and stop
lever.
SST 09240–00020
(d) Using an ohmmeter, measure the resistance between
each terminal.
Clearance between
lever and stop screw
0 mm (0 in.)
0.50 mm (0.020 in.)
0.80 mm (0.031 in.)
Throttle valve fully
open
(e) Reconnect the sensor connector.
At idling
No vacuum
No vacuum
No vacuum
Resistance
Between terminals
VTA – E2
0.47 – 6.1 k 0
!DL – E2
2.3 kW or less
IDL – E2
VTA – E2 3.1 – 12.1 kW
VC – e2
At 3,500 rpm
Vacuum
Vacuum
Vacuum
Infinity
3.9 – 9.0 kW