Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
6E2-28 ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE)
Left hand
steering vehicle Right hand
steering vehicle
1. Fuel pump relay
connector
2. Service wire
3. Fuse box
4) Install suitable vinyl tube onto injector (4) nozzle to prevent fuel
from splashing out when injecting.
5) Put graduated cylinder under injector as fan apart as possible.
6) Disconnect fuel pump relay.
7) To operate fuel pump and apply fuel pressure to injector, using
wire harness as thick as the one used for fuel pump circuit, con-
nect two terminals of relay connector as shown in figure.
8) Apply battery (5) voltage to injector for 15 seconds and measure
injected fuel volume with graduated cylinder.
Test each injector two or three times.
If not within specification, replace injector.
Injected fuel volume:
64 – 70 cc / 15 sec. (2.16 / 2.25 – 2.37 / 2.47 US / lmp. oz / 15 sec.)
9) Check fuel leakage from injector (1) nozzle. Do not operate in-
jector for this check (but fuel pump should be at work). If fuel
leaks more than following specifications, replace.
Fuel leakage: Less than 1 drop / min.
Installation
1) Replace injector O-ring (1) with new one using care not to dam-
age it. Install grommet (2) to injector.