Suzuki Liana RH418, Supplementary Service Manual

Page: 203 / 371

Fuel System: 1G-3
Fuel Injector Inspection
S3RH0B1706008
WARNING
!
• Before servicing fuel system, be sure to
observe “Precautions on Fuel System
Service in related manual”.
• As fuel is injected in this inspection,
perform in a well ventilated area and away
from open flames.
Use special care to prevent sparking when
connecting and disconnecting test lead to
and from battery.
1) Install injector (3) and fuel pressure regulator (4) to
special tool (injector checking tool).
Special tool
(A): 09912–58421
2) Connect special tools (hose and attachment) to fuel
feed hose (1) of vehicle.
Special tool
(B): 09912–58432
3) Connect special tool (test lead) to injector.
Special tool
(C): 09930-88530
4) Install suitable vinyl tube onto injector nozzle to
prevent fuel from splashing out when injecting.
5) Put graduated cylinder under injector as shown.
6) Operate fuel pump and apply fuel pressure to
injector as follows:
a) When using SUZUKI scan tool:
i) Connect SUZUKI scan tool to DLC (5) with
ignition switch OFF.
ii) Turn ignition switch ON, clear DTC and
select “MISC TEST” mode on SUZUKI scan
tool.
iii) Turn fuel pump ON by using SUZUKI scan
tool.
Special tool
(A): SUZUKI scan tool
b) When not using SUZUKI scan tool:
CAUTION
!
Check to make sure that connection is made
between correct terminals. Wrong
connection can cause damage to ECM, wire
harness, etc.
i) Remove fuel pump relay from connector.
ii) Connect two terminals of relay connector
using service wire (1) as shown in the figure.
iii) Turn ignition switch ON.
2. Fuel return line
I2RH0B170011-01