| Step | Action | YES | NO |
|---|---|---|---|
| 1 |
Check the injector return volume following procedure:
•
Ensure that the engine coolant temperature is above 60 °C.
• Turn ignition switch OFF. • Disconnect the return pipes from the four injectors. • Cap the pump venturi tube to prevent the low pressure circuit from contamination. • Connect the four transparent tubes (09912-96540) in place of the return pipes. • Put the other ends of the four pipes into four graduated measuring cylinders (09912-96540). • Having carried out these preparations, start the engine and let it idle for 2 minutes. • Carry out “Leak detection test” by using SUZUKI scan tool. • Once the cycle is complete, carry out “Leak detection test” again to obtain a correct reading of the return volume of each injector.
Is the return volume of one of the injectors above 35 ml?
|
Replace faulty injector(s).
|
Go to Step 2.
|
| 2 |
Carry out the following test to confirm the repair:
•
Disconnect the 4 transparent pipes and reconnect the injector return circuit.
• With the ignition off, disconnect connector from fuel flow actuator and connect the test adapter in special tool (09912-96540). • Disconnect the 4 electrical connectors from all injectors. • Connect SUZUKI scan tool and display “Data list” on scan tool. • Run the starter for 5 seconds, read the “Fuel Rail Pressure” maximum value during the test on the SUZUKI scan tool.
Is the rail pressure greater than 1050 bar?
|
End of test.
|
Carry out test 7.
|