Suzuki Grand Vitara Service Manual page 466

1G-14 Fuel System:
5) Install suitable vinyl tube onto injector nozzle to
prevent fuel from splashing out when injecting.
6) Put graduated cylinder under injector.
7) Operate fuel pump and apply fuel pressure to
injector as follows:
a) When using scan tool:
i) Connect scan tool to DLC with ignition switch
OFF.
ii) Turn ignition switch ON, clear DTC and
select "MISC TEST" mode on scan tool.
iii) Turn fuel pump ON by using scan tool.
Special tool
(A): SUZUKI scan tool
(A)
b) When not using scan tool:
i) Remove fuel pump relay from connector.
ii) Connect two terminals of relay connector
using service wire (1) as shown in the figure.
CAUTION
!
Check to make sure that connection is made
between correct terminals. Wrong
connection can cause damage to ECM, wire
harness, etc.
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iii) Turn ignition switch ON.
8) Apply battery voltage to injector (1) for 15 seconds
and measure injected fuel volume with graduated
cylinder. Test each injector two or three times.
Reference injected fuel volume
(For M16 engine model) Approx. 46 cc / 15 sec.
(1.62/1.55 US/Imp oz / 15 sec.)
(For J20 engine model) Approx. 65 cc / 15 sec.
(2.20/2.29 US/Imp oz / 15 sec.)
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9) Check fuel leakage from injector nozzle. Do not
operate injector for this check (but fuel pump should
be at work). If fuel leaks (1) more than the following
specifications, replace.
Fuel leakage
Less than 1 drop/min.
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