Toyota 1 MZ–FE Manual page 264

EG2–264
1MZ–FE ENGINE – SFI SYSTEM
2. INSPECT THROTTLE POSITION SENSOR
(a) Apply vacuum to the throttle opener.
(b) Disconnect the sensor connector.
(c) Insert a thickness gauge between the throttle stop
screw and stop lever.
(d) Using an ohmmeter, measure the resistance between
each terminal.
Clearance between
fever and stop screw
0 mm (0 in.)
0.35 mm (0.014 in.)
0.70 mm (0.028 in.)
Throttle valve
fully open
(e) Reconnect the sensor connector.
3. INSPECT THROTTLE OPENER
A. Warm up engine
Allow the engine to warm up to normal operating
temperature.
B. Check idle speed
Idle speed:
700 50 rpm
C. Check throttle opener setting speed
(a) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
Between
Resistance
terminals
0.28 – 6.4 kW
VTA – E2
IDL – E2 0.5 kW or less
IDL– E2
2.0 – 11.6 kW
VTA – E2
VC –E2 2.7 – 7.7 kW
Infinity