Toyota TERCEL 1985 Repair Manual page 105

EMISSION CONTROL SYSTEMS - Throttie Positioner (TP) System
Within 6 - 1 6 Secs
L e o
(
\ '
_Jd\
W^ov
/8)$$X$
*0 '
cCjl^i
n
J^
w"
EC0443
IF NO PROBLEM IS FOUND WITH THIS INSPECTION, THE
SYSTEM IS OKAY; OTHERWISE INSPECT EACH PART
INSPECTION OF VTV
CHECK VTV BY BLOWING AIR INTO EACH SIDE
' EC0106
INSPECTION OF DIAPHRAGMS
Vacuum
F ^ ^ f e i >
W57 ^
EC1404
(c) Check that the engine rpm has increased to
specification.
TP setting speed: 1,700 rpm M/T
1,400 rpm A/T
NOTE: Make adjustments with the engine cooling fan
OFF.
If not, turn the TP adjusting screw until the specified rpm
is reached.
(d) Reconnect the vacuum hose to the vacuum pipe.
(e) Check that the engine returns to idle speed within 6
- 16 seconds after reconnecting the hose.
RECONNECT HOSE TO TVSV M PORT
(a) Check that air flows without resistance from B to A.
(b) Check that air flows with difficulty from A to B.
If a problem is found, replace the VTV.
Check that the linkage moves in accordance with applied
vacuum.
EC-17