1A
Test 7: High Pressure Pump Check
NOTE:
It is useless and dangerous to engage the starter motor for more than 5 seconds.
Step Action YES NO
1
It is possible to check the high pressure pump capacity by carrying out the following procedure:
• Disconnect the fuel flow actuator connector
• Disconnect connector from the four injectors
• Connect the SUZUKI scan tool and check the rail pressure parameter
• Run the starter motor for 5 seconds
• Read the maximum rail pressure value
Does the rail pressure greater than 1050 bar?
Injection pump correct.
Go to Step 2.
2
If the rail pressure below 900 bar, carry out Test 11: Diesel Filter Check:K9K after following procedure:
• Make sure that the ignition circuit is working correctly (minimum engine speed 200 rpm at engine cranking).
• Turn ignition switch OFF, connect the all electrical connectors disconnected in Step 1.
• Turn ignition switch ON, clear DTC by using SUZUKI scan tool.
Is it in good condition?
Go to Step 3.
Carry out the required repairs.
3
Carry out the following test:
•Test 9: Injector Sealing Check:K9K
•Test 10: Injector Return Flow in Starting Phase:K9K
Are there no faults?
Replace the high pressure pump.
Replace the faulty injector(s).