Fuel System - wsm wg972-e4 Workshop Manual

WG972-E4, WSM
CAUTION
• When removing the radiator cap, wait at least ten minutes after the engine has stopped and cooled down.
Otherwise, hot water may gush out, scalding nearby people.

(4) Fuel System

Radiator Cap Air Leakage
1. Set a radiator tester (1) and an adaptor (2) on the radiator cap.
2. Apply the specified pressure (90 kPa, 0.9 kgf/cm
measure the time for the pressure to fall to 60 kPa (0.6 kgf/cm
9 psi).
3. If the measurement is less than the factory specification,
replace the radiator cap.
Pressure falling time Factory specification
(1) Radiator Tester
Radiator Water Leakage
1. Pour a specified amount of water into the radiator.
2. Set a radiator tester (1) and an adaptor (2) and raise the water
pressure to the specified pressure.
3. Check the radiator for water leaks.
4. For water leak from the pinhole, repair with the radiator cement.
When water leak is excessive, replace the radiator.
Radiator water leakage
Factory specification
test pressure
(1) Radiator Tester
Resistance of Throttle Body
1. Disconnect the connector.
2. Measure the resistance between terminal 1 and terminal 4 with
an ohmmeter.
3. If the resistance is 0 ohm or infinity, replace it.
4. Measure the resistance between terminal 2 and terminal 3 with
an ohmmeter.
5. If the resistance is not with in the factory specifications, replace
it.
Factory
Resistance specifica-
tion
(1) Terminal 1
(2) Terminal 2
(3) Terminal 3
1-S18
9Y1211108ENS0013US0
2
, 10 psi), and
More than 10 seconds
for pressure fall from
90 to 60 kPa
from 0.9 to 0.6 kgf/cm
from 10 to 9 psi
(2) Adaptor
9Y1211108ENS0014US0
No leak at specified
pressure
(2) Adaptor
9Y1211108ENS0015US0
Terminal 1 –
Continuity
Terminal 2
Terminal 3 –
Continuity
Terminal 4
(4) Terminal 4
(5) Terminal 5
(6) Terminal 6
9Y1211108ENS0016US0
ENGINE
2
,
2
KiSC issued 07, 2015 A