Door Indication, Driver Door

Fault diagnosis, door indication, driver door

Fault symptom
Door indication not working.
Remote control not working

Action
1 Check the pictogram
Open and dose the driver door and check the pictogram in the instrument
The other doors should be closed.
If the pictogram is correct, proceed to point 4.
If the pictogram is faulty, proceed to point 2.
2 Chock the function
Connect the ISAT scan tool.
Select "READ VALUES".
Select "DRIVER DOOR".
Open and dose the driver door.
The ISAT scan tool should display "OPEN" or "CLOSED", respectively.
If the function is correct, the fault is of intermittent type, proceed to point 6.
If not, proceed to point 3.







3 Check the function (contd.)
Unplug connector H22-1.
Select "DRIVER DOOR".
The ISAT scan tool should display "CLOSED".
Connect jumper between pin 6 in connector H22-1 to a safe grounding point.
The ISAT scan tool should display "OPEN".
If the ISAT scan tool displays the correct text, proceed to point 5.
If the ISAT scan tool displays incorrect text, proceed to point 4.
4 Check the control module voltage levels
Connect a BOB.
Connect a voltmeter between pins 18 and 13.
Open/dose the driver door and check the voltage.
Closed =12 V
Open =0 V
If the function is correct, proceed to point 6.
If not, proceed to point 5.







5 Check the cable assembly
Conduct a continuity test on the cable assembly between the alarm control module, pin 18 and the central locking system control module, pin 9. The resistance should be <1 Ohm
If the resistance is correct, continue fault diagnosis in "Central locking system/Electric tailgate release". Testing and Inspection
If not, fix the cable assembly.
6 Final test
Check to see if the fault symptom remains.
If the problem remains, proceed to "Before Changing the Electronic Control Module". Before Changing the Electronic Control Module