Doosan DL06/08 Stage 5 Engine: High Voltage Error in Oil Pressure Sensor

The Doosan DL06/08 Stage 5 Engine is a powerful and reliable engine used in Doosan excavators. However, like any machinery, it may encounter certain issues that require attention and repair. One such problem is the high voltage error in the oil pressure sensor, indicated by the fault code P1522. In this article, we will provide you with a step-by-step instruction guide to help you diagnose and solve this issue efficiently.

Related Contents:
Doosan Data Monitoring System DMS-5 DMS-3 Free Download
Doosan Diagnostic Tool

CODE
E000100-03

REASON
1 Electrical problem
2 Connection problem
3 Harness problem
4 Sensor problem

EFFECT
1) CE Lamp On
Oil pressure / temperature sensor

2)Oil pressure signal characteristic

Component Location

3) Condition for Running Diagnostic
Key ON or Engine running

4) Condition for Setting the Fault Code Doosan DMS-5 2023.07
If oil pressure sensor voltage is greater than 4712 mV for 2 seconds,

5) Condition for Clearing the Fault Code
If oil pressure sensor voltage is less than or equal to 4712 mV for 1 second

6) Check List
Step 1:P1522 is occurred on service tool?
Go to Step 2

Step 2:Park the machine in a safe area and Key OFF.
Go to Step 3

Step 3:
Check oil quality,Oil quality problem?
Yes,Replace the oil
No,go to Step 4

Step 4:
Check Sensor connector for damaged, bent, corroded or loose pins.
Connection problem?
Yes,Do necessary repair
No,go to step 5

Step 5:
Check ECU connector for damaged, bent, corroded or loose pins.
Connection problem?
Yes,Do necessary repair
No,step 6

Step 6:
Key ON and check the sensor voltage.
* Variable ;
– Oil pressure sensor voltage (Oil_uRawPSwmp)
The sensor voltage conforms to sensor characteristic?
Yes,go to step 7
No,replace sensor

Step 7:
Check for continuity & electrical insulation of wire harness.
Electrical problem?
Yes,Repair or replace Wire harness
No,repeat steps again.

More topics for Doosan,please refer to:Doosan Trouble Repair