Suzuki WagonR+ RB310 Service Manual page 1965

6E1-12 ENGINE AND EMISSION CONTROL SYSTEM
THROTTLE BODY
Throttle
stop
screw
Throttle lever
screw
CAUTION:
As throttle stop screw and throttle lever screw are fac-
tory adjusted precisely, don't remove or adjust them.
Negative
Positive
terminal
terminal
Viewed from "A"
ON-VEHICLE INSPECTION
D Check that throttle valve lever moves smoothly.
D Vacuum passage inspection.
With fingers placed against vacuum nozzle, increase engine
speed a little and check that vacuum is applied.
1. Throttle body
2. Vacuum nozzle
REMOVAL
1) Relieve fuel pressure, referring to Section 6-1.
2) Disconnect battery negative cable at battery.
3) Remove air chamber case.
4) Drain cooling system.
5) Disconnect following wire harness couplers:
D TP sensor
D Fuel injector
D ISC actuator
6) Disconnect following hoses from throttle body.
D Fuel feed and return hoses
D Engine cooling water hoses
D Vacuum hoses
7) Disconnect accelerator cable from throttle valve lever and cable
bracket.
8) Remove throttle body from intake manifold.
1. Injector coupler
2. TP sensor
3. Water hose
4. Vacuum hose
5. ISC actuator
6. Fuel return hose
7. Fuel feed hose
1. Fuel injector wire
2. Fuel injector
3. Upper O-ring
4. Lower O-ring
5. Throttle upper body
6. Gasket
7. Throttle lower body
8. ISC actuator
9. TP sensor
10. Injector sub wire coupler
11. O-ring
12. Injector wire cover