Daihatsu F300 Service Manual page 1129

MAINTENANCE
• NOTE: For US '83 Spec
Connect the following SST to the check terminal and con-
nect the test terminal (Brown) with Ground (Black).
(SST: 09991-8n02-000)
Engine Idle Speed:
800 ± 50
rpm
Afterward, disconnect the SST. Ensure that the engine idle
speed becomes 850 ±50 rpm.
THROTTLE POSITIONER
Inspection of throttle positioner system
• Carburetor installed vehicle
( 1) Warm up the engine.
(2) Raise the engine speed to approximately 2500 rpm and
hold the engine speed at 2500 rpm for five seconds.
Ensure that the dashpot shaft is fully extended.
(3) Close the throttle valve quickly.
(4) Make sure the time required for the engine speed to drop
from 1500 rpm to 1200 rpm is the specified time.
Specified Time: 1.0 - 5.0 second
NOTE:
Dashpot touch engine speed:
1500 ± 50
rpm
• EFI installed vehicle
(1) Warm up the engine.
(2)
Raise the engine speed to approximately
3500
rpm and
hold the engine speed at 3500 rpm for five seconds.
Ensure that the dashpot lever should be fully extended.
(3) Close the throttle valve quickly.
(4) Measure the time required for the engine speed to drop
from 1800 rpm to idle speed (850 ± 50 rpm).
Specified Time:
0.5- 5.0
seconds
NOTE:
Dashpot touch engine speed:
1800 ± 1 00
rpm
For US'83 Spec:
1600 ±
1
00
rpm
SPARK CONTROL SYSTEM
Inspection of spark control system
(1) Disconnect the vacuum hose of main and sub diagram from
the vacuum advancer of distributor, and close the vacuum
hose. Using a timing light, check the ignition advance
timing, while engine speed is being raised.
MA-14
•
Testterminal Short
~
Ground terminal
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