DPT701 Digital Pressure Tester User’s Guide_English Version_V2.00
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Figure 4-23 Sample Common Rail Adaptors
The “Low side common rail” test is a three step test. Scroll up and down arrow keys to select
Low side
common rail
from the option menu and press
OK
key to confirm. When this option is selected, a
message will show the test number and a brief description of the test to be performed.
Figure 4-24 Sample Select An Option Menu Screen
Step 1
Pressure at high pressure pump input
After pressing the OK key, the following test screen displays. Press OK key to continue the test or press
BACK key to return to previous menu.
Figure 4-25 Sample Low Pressure Circuit Test Step 1 Screen
NOTE
The normal pressure value of test #1 is 2.5 Bar. Press OK key to go to next step if it shows 2.5
Bar or extremely lower than the correct pressure value. If it shows significantly higher pressure, it
indicates a fault exists in the regulator.
Step 2 Pressure between the low pressure pump and fuel filter
