Diagnostic Manual, Body and Accessories,
Volume 1.1
Diagnosis - Function Test (Remote Trunk Release)
Preparation for Test:
1. Review C/1,  11,
20,
21,
22,
32
2. Connect HHT and readout DTC'S,
3. Do not unlock trunk lid separately,
4. Trunk lid closed,
5. Battery voltage 11 to 14 V,
6. Fuses ok,
7. Voltage supply to all control modules and CAN data lines ok. |
| Test step/Test
scope |
Test condition |
Nominal value |
Possible cause/Remedy
1) |
1.0 Open trunk lid via RTR
switch (N72s15) |
Press remote trunk lid release
switch (N72s15). |
Trunk lid opens.
Model 208.465 only:
With a not completely opened or closed power soft top, the RTR function
is not possible. |
Trunk lid does not open and pump
motor in PSE control module (A37) does not run:
PSE version coding incorrect,see 3.4 PSE C/2,
PSE (A37).
Trunk lid does not open even though pump motor in PSE control module (A37)
runs:
Mechanical fault in trunk lid lock,
23 PSE/RTR 
1.0,
32 PSE/RTR
1.0,
See AD80.20-P-8000-01BB.
|
| 2.0 Open trunk lid via lock button
on trunk release switch (S15/1). |
Vehicle is unlocked via remote central
locking.
Trunk lid has not been locked via mechanical key.
Press lock button on trunk release switch (S15/1). |
Trunk lid opens.
Model 208.465 only:
With a not completely opened or closed power soft top, the RTR function
is not possible. |
Trunk lid does not open and pump
motor in PSE control module (A37) does not run:
PSE version coding incorrect, see 3.4 PSE C/2,
PSE (A37).
Trunk lid does not open even though pump motor in PSE control module (A37)
runs:
Mechanical fault in trunk lid lock.
23 PSE/RTR
2.0,
See AD80.20-P-6000-15B,
32 PSE/RTR
1.0,
See AD80.20-P-8000-01BB.
|
| 1) Observe Preparation
for Test, see
22. |
|
Printable
version
