Fuel Injector Inspection - Suzuki 2006 SX4 Service Manual

1G-11 Fuel System:

Fuel Injector Inspection

WARNING
!
• Before starting the following procedure, be
sure to observe "Precautions on Fuel
System Service" in order to reduce the risk
of fire and personal injury.
• Put injector and battery as far away as
possible in order to reduce risk of fire and
personal injury when connecting/
disconnecting test lead to/from battery.
1) Relieve fuel pressure according to "Fuel Pressure
Relief Procedure" if equipped.
2) Disconnect fuel feed hose from delivery pipe.
3) Set special tools as follows.
Special tool
(A): 09912–58421
(B): 09930–88530
(C): 09912–57610
a) Fit washer (1) (inside diameter 13.5 – 14.5 mm
(0.532 – 0.570 in.)) to injector (2), and then
install injector to special tool (A).
b) Connect special tool (B) to injector.
c) Install special tool (C) to special tool (A).
d) Connect fuel feed hose to special tool (A).
(B)
(A)
(A)
4) Install suitable vinyl tube onto injector nozzle to
S6RW0C1706009
5) Put graduated cylinder under injector.
6) Operate fuel pump and apply fuel pressure to
(C)
2
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I6RW0B170014-01
prevent fuel from splashing out when injecting.
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 "Active Test" mode on scan tool.
iii) Turn fuel pump ON by using scan tool.
Special tool
(A): SUZUKI scan tool (SUZUKI-SDT)
1
(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 figure.
CAUTION
!
Check to make sure that connection is made
between correct terminals. Wrong
connection can cause damage to ECM, wire
harness, etc.
iii) Turn ignition switch ON.
1
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I5RW0A170011-02