Fuel Injector Inspection

Reference: FUEL INJECTOR REMOVAL AND INSTALLATION 

1. Remove fuel injector (5), see Fuel Injector Removal and Installation .
2. Set special tools to injector as follows.

   Special Tool 

   1. 09912-58421 
   2. 09912-57610 
   3. 09930-86310 
   4. 09919-45710 
   1. Fit washer (1) (inside diameter 13.5 - 14.5 mm (0.531 - 0.570 in.)) to injector (2), and then install injector to special tool (A).
   2. Connect special tool (C) to injector.
   3. Install special tool (B) and special tool (D) to special tool (A).
   4. Connect fuel feed pipe to special tool (D).
      Fig 1: Identifying Fuel Injector And Special Tool

      Courtesy of SUZUKI OF AMERICA CORP.
3. Install suitable vinyl tube (1) onto injector nozzle to prevent spout of fuel when performing test.
4. Put graduated cylinder (2) under injector.
5. Connect one of terminal of special tool (C) to battery positive (+) terminal.
   Fig 2: Connecting Special Tool To Battery Positive Terminal

   Courtesy of SUZUKI OF AMERICA CORP.
6. Operate fuel pump and apply fuel pressure to injector as follows:

   When using scan tool:

   1. Connect scan tool to DLC (1) with ignition mode of keyless push start system in "OFF".

      Special Tool 

      1. SUZUKI scan tool (SUZUKI-SDT) 
      Fig 3: Connecting Scan Tool To DLC

      Courtesy of SUZUKI OF AMERICA CORP.
   2. Push engine switch to change ignition mode to "ON", clear DTC and select "ACTIVE TEST" mode on scan tool, see DTC CLEARANCE .
   3. Turn ON fuel pump using scan tool.

   When not using scan tool:

   1. Remove fuel pump relay (1) from connector.
   2. Connect two terminals of relay connector (2) using service wire (3) as shown in figure.
      CAUTION: Be sure to connect to correct terminals. Connecting to an incorrect terminal could cause damage to ECM, wire harness, etc.