Fuel Injector Inspection - Suzuki Liana RH418 Supplementary Service Manual

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Fuel Injector Inspection

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
2. Fuel return line
4) Install suitable vinyl tube onto injector nozzle to
S3RH0B1706008
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)
ii) Turn ignition switch ON, clear DTC and
iii) Turn fuel pump ON by using SUZUKI scan
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)
ii) Connect two terminals of relay connector
iii) Turn ignition switch ON.
I2RH0B170011-01
Fuel System:
Connect SUZUKI scan tool to DLC (5) with
ignition switch OFF.
select "MISC TEST" mode on SUZUKI scan
tool.
tool.
Special tool
(A): SUZUKI scan tool
Remove fuel pump relay from connector.
using service wire (1) as shown in the figure.
1G-3

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