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2-2 INJECTION COMPARISON TEST (LOW & HIGH PRESSURE MODE )
1) LOW & HIGH PRESSURE MODE TEST
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NOTE : Perform the test more than 2 ~ 4 times to get accurate data.
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1
2
4
Test Mode
Current data
TEST PROCEDURE
1) Select MAX HIGH mode and crank engine for 2-3seconds.
2) Crank engine and adjust the rail pressure in Low and High
mode while engine cranking.
- LOW = 250 ~ 350 bar
- HIGH = 800 ~ 1000 bar
※ Select injection pressure using the up & down button
3) Drain the fuel from the test body.
4) Perform test for each mode: LOW & HIGH.
LOW PRESSURE MODE TEST
2
1) Disconnect the PRV's & rail pressure sensor's
2) Install ① Dummy Resister and ② Rail Pressure
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Sensor Dummy in each wiring connectors.
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3) Connect HP controller's wire to the ③PRV & ④ rail
5) Connect HP controller's ⑤ power cable to battery.
4) Crank the engine until the injection amount level
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NOTE: Battery must be fully charged before test
ECU
NOTE :
- Rail pressure can be adjusted from 100 to 1000bar by
pressure adjust knob.
- In the old model, you must use rail pressure
sensor dummy, otherwise injector will not work while
cranking.
UP(Hold)
DOWN
connector from the rail
pressure sensor.
of 1 or 2 test body are close to target level.
(5 scale in LOW, 8 scale in HIGH)
Drain Valve
Injectors Holding screw
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