When Using SUZUKI Scan Tool

WARNING: 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 to and from battery.

Install injector (2) and fuel pressure regulator (3) to special tool (injector checking tool).
Special tool
1. (A): 0991258421
Connect special tools (hoses and attachment) to hose and pipe (1) of vehicle.
Special tool
1. (B): 09912-58431
Connect special tool (test lead) to injector (2).
Special tool
1. (D): 09930-88530
Fig 1: Connecting Special Tools To Hose & Pipe
Courtesy of SUZUKI OF AMERICA CORP.
Install suitable vinyl tube onto injector nozzle to prevent fuel from splashing out when injecting.
Put graduated cylinder under injector as shown.
Operate fuel pump and apply fuel pressure to injector as follows:
1. When using SUZUKI scan tool
  1. Connect SUZUKI scan tool to DLC with ignition switch off.
  2. Turn ignition switch ON, clear DTC and select "MISC TEST" mode on SUZUKI can toll
  3. Turn fuel pump ON by using SUZUKI scan tool.
    
    Fig 2: Connecting Scan Tool To DLC With Ignition Switch OFF
    Courtesy of SUZUKI OF AMERICA CORP.
2. When not using SUZUKI scan toll
  1. Remove fuel pump relay from connector (1).
  2. Connect two terminals of relay connector using service wire (2) as shown in the figure.
    CAUTION: Check to make sure that connection is made between correct terminals. Wrong connection can cause damage to ECM (PCM), wire harness, etc.
3. Turn ignition switch ON.
  
  Fig 3: Connecting Two Terminals Of Relay Connector Using Service Wire
  Courtesy of SUZUKI OF AMERICA CORP.
Apply battery 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
1. 55-62 cc/15 sec. (1.94/2.09-2.18/2.36 US/Imp. oz/15 sec.)
Check fuel leakage from injector nozzle.
Do not operate injector for this check (but fuel pump should be at work).

If fuel leaks more than the following specifications, replace.