Remote control, tailgate release
Remote control, tailgate release |
Fault symptom |
Not possible to disarm/open tailgate.
Action |
1. |
Check
the unlock tailgate function
Connect the ISAT scan tool. Select "READ VALUES". Select "TAILGATE LOCK" The ISAT scan tool should display "CLOSED". Press the right-hand button on the remote control. The ISAT scan tool should display "OPEN" for about 3 seconds and the tailgate motor should be activated. If the ISAT scan tool displays "OPEN" for about 3 seconds, but the tailgate motor does not work, proceed to point 2. If the ISAT scan tool displays "CLOSED", proceed to point 4. If this works correctly, proceed to point 7. |
2. |
Check the unlock signal from the control
module
Unplug connector H26-4. Connect the test lamp between connector H26-4, pin 22 and a safe grounding point. Press the right-hand button on the remote control. If the test lamp lights, continue fault diagnosis in Service Manual 3:2 "Central locking system, electric tailgate release". If the test lamp does not light, proceed to point 3. |
3. |
Check the cable assembly to the control
module
Conduct a continuity test on the cable assembly between the control module, pin 23 and connector H26-4, pin 22. The resistance should be < 1 Ohm. If the resistance is incorrect, take action on the cable assembly. If the resistance is correct, proceed to point 7. |
4. |
Check the unlocking
function
Select "ACTIVATE". Select "TAILGATE". Select "ON", and the tailgate motor should be activated. If the tailgate is not unlocked, proceed to point 5. If the tailgate is unlocked, proceed to point 6. |
5. |
Check the unlocking
function
Unplug connector H26-4. Connect the test lamp between connector H26-4, pin 22 and a safe grounding point. Select "ACTIVATE". Select "TAILGATE". Select "ON", and the test lamp should light. If the test lamp lights, try changing the remote control. If the test lamp does not light, proceed to point 7. |
6. |
Check the remote
control
Select "READ VALUES". Select "CONTROL". Press the right-hand button on the remote control. The ISAT scan tool should display "RH BUTTON" when this button is pressed. If the ISAT scan tool displays a different text, try changing the remote control. If the ISAT scan tool displays the correct text, proceed to point 7. |
7. |
Final test
Check to see if the fault symptom remains. If the problem remains, proceed to . |