AD80.35-P-3002A | Radio frequency locking/remote central locking (RFL/RCL) diagnosis, function check of actuations | 19.2.97 |
MODEL 129, 140 as of 1.6.97,
168,
170 as of 1.6.97
MODEL 170
with CODE (491) USA version
with CODE (498) Japanese version
Radio frequency locking/remote central locking (RFL/RCL), diagnosis, basic knowledge | |||
Connect hand-held tester to data link connector (X11/4) according to connection schematic | |||
| Fuses in order | ||
| Battery voltage > 11 V | ||
| Side windows opened | ||
| Ignition: ON | ||
| After calling up the functions menu, "Actuations" is displayed on the HHT as menu item 4 The following actuations are possible with the Hand-Held Tester | ||
Function check | |||
Scope of test | Operation/Requirement | Specified value | Possible cause/Remedy |
1 RFL/RCL status | Press button "F2" Press button "F3" | Vehicle unlocks Vehicle locks | |
2 Convenience opening Model 129 only | Press button "F2" Press button "F3" | Side windows open Function is interrupted | |
3 Convenience closing Models 129/140 only | Press button "F2" Press button "F3" | Side windows open and tilting/sliding roof closes Function is interrupted | |
4 Initiate remote opening of trunk lid Models 129/140 only | Press button "F2" | Trunk opens |
Electrical/pneumatic fault in PSE Mechanical fault in rear lock |
5 Receive radio frequency signal from transmitter key | Ignition: ON Press transmitter button on transmitter key |
(for approx. 2 s) |
Transmitter key Radio frequency DAS control module (N54/3) or radio frequency/infrared DAS control module (N54/4) |
6 Receive IR signal from left front door IR receiver (A26/1) Models 129/140 only | Ignition: ON Point 2nd transmitter key at A26/1 and press transmitter button |
(for approx. 2 s) |
Transmitter key Radio frequency/infrared DAS control module (N54/4) |
7 Receive IR signal from right front door IR receiver (A26/2) Models 129/140 only | Ignition: ON Point 2nd transmitter key at A26/2 and press transmitter button |
(for approx. 2 s) |
Transmitter key Radio frequency/infrared DAS control module (N54/4) |
8 Turn signal actuation | Press button "F2" Press button "F3" | Turn signal system flashes once Turn signal system flashes three times |
Variant coding incorrect |