WS2 Flash Codes

WS2 Flash Codes

Make : MITSUBISH     Model : LEGNUM     Year : 1997

Warning : Be careful working around engines and exercise caution to avoid injury .
Note : The engine check light must be working .

If you have problems with the task ,  see you lecturer for help .

1  Flash/Blink Codes
1.1 Find a engine/vechicle that you have the workshop manual with the correct procedure and codes to diagnose the flash codes
1.2 Have your tutor create a fault in the EFI system
1.3 Using the workshop manual follow the procedure to extract the codes , explain briefly what is the procedure .

 Earth out pin 1 on the data link connector and turn to on lights should flash on the dash.

2 Trouble Codes Or Fault Codes
2.1 Find where the codes are listed
2 .2 Record any codes , and what system and condition they describe in the chart below ( Example : migt be code number 21 , for Throttle Position Sensor , signal voltage too low )
Code number               System affected               Condition described
          23                             Camshaft                           Low voltage

3 Visual inspection to find fault
3.1 Do a visual inspection under the bonnet where the problem is . Use information from the code to know where to look for the problem and what type of problem to look for .
3.2 Describ the problem you found:
Sensor and dirt built up


4 Repair fault
4.1 Plug back in the connector , or repair problem found
      Describe what you did :
Clean up the terminals would repair the problem .

5 Clear Codes
             Describe what you did to clear the codes :
Disconnect the battery for 30 seconds

6 Recheck for codes and record codes in system now :
No codes come out

7 How could the faults found affect the engine performance
The engine would miss fire

8 Discuss what other tests you should be doing once you have found the fault codes:
Check all sensor are functionals correct