Fault-Tracing Information

Fault-tracing

Checking the connectors
Check that the fuse for the power operated tailgate module (POT) on the rear relay and fuse box is intact.
Check connections on the rear relay and fuse box and power operated tailgate module (POT) with regard to contact resistance, oxidation and damage.
Check the cable for voltage feed between the rear relay and fuse box and the power operated tailgate module (POT) with regard to open circuit and short circuit to ground.
Check the ground cable for open circuit or short-circuiting to voltage. Also check the ground terminal. Check for loose connections and oxidation.

Other information
- Checking wiring and terminals Checking Wiring and Terminals

Was a fault detected?

Yes - Verification

No - Checking CAN cables

-------------------------------------------------

Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Switch on the ignition for at least 10 seconds.
Try communicating with the control module by selecting one of the functions for vehicle communication under the Diagnostic tab.

Is communication established?

Yes - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

-------------------------------------------------

Fault-tracing information

Attempt New Test - Checking the connectors

-------------------------------------------------

Checking CAN cables

No Fault Found - Fault-tracing information

DONE - DONE

-------------------------------------------------