Ps Idle-Up Speed Inspection And Adjustment - Toyota 1HD-FT Repair Manual

ENGINE - ENGINE MECHANICAL
PS IDLE-UP SPEED INSPECTION
AND ADJUSTMENT
(MIT)
I. INITIAL CONDITIONS
(al Engine at normal operating temperature
(b) Air cleaner installed
(e) All accessories switched OFF
(d) All vacuum lines properly connected
(e) Valve clearance set correctly
(f)
Injection timing set correctly
(g)
AfT:
Transmission in neutral position
(h) Idle speed set correctly
2. CONNECT TACHOMETER
EG·19
EG
3. ADJUST PS IDLE - UP SPEED
(a) Start the engine.
(b) Turn the steering wheel from the straight-ahead
po-
sition to full left or full right position.
(e) Check the idle-up speed.
P$ idle-up speed:
650 - 750
rpm
(d) Loosen the 2 nuts, and adjust the idle - up setting
speed by sliding the idle-up actuator body. Lock the
idle - up actuator with the 2 nuts.
(e)
Return the steering wheel to the straight- ahead posi-
tion. Then turn the steering wheel from the straight-
ahead position to full left or full right position. and
recheck the idle-up speed.
(f) Return the steering wheel to the straight-ahead posi·
tion. and check that the rod end of the idle - up ac-
tuator is not touching the idle - up lever.
(g) Check and adjust the AIC idle - up speed.
(See step 3 in AIC idle-up speed inspection and
adjustment)
NOTICE: After edjusting the PS Idle-up speed. always
check the
Ale
idle-up speed.