Radio frequency locking/remote central locking (RFL/RCL) diagnosis, function check - AD80.35-P-3000B
MODEL 202 as of 1.6.97, 208, 210.081 /281, 210 as of 1.3.97
Shown on model 210 sedan
| Prerequisites for function check | |||
| I | Battery voltage 11-14 V | ||
| II | Fuses in order | ||
| III | Voltage supply of control modules and CAN data buses in order | Body DM Volume 2 | |
| IV | Central locking in order | ||
| V | Batteries in transmitter key in order | ||
| VI | Key removed from electronic ignition/starter switch | ||
| VII | Side windows lowered by approx. 100 mm | ||
| VIII | Tilting/sliding roof opened | ||
| IX | Doors and trunk lid closed | ||
| Test step/Scope of test | Operation/Requirement | Specified value | Possible cause/Remedy |
| 1 | Lock vehicle with transmitter key | Vehicle locks | AD80.35-P-6000-04B |
| Lock vehicle with radio frequency signal via radio antenna | Transmitter key not pointed at one of the receivers | Turn signal system flashes 3 times | AD80.35-P-6000-05B |
| 2 | Unlock vehicle with transmitter key | Vehicle unlocks | AD80.35-P-6000-04B |
| Unlock vehicle with radio signal via radio antenna | Transmitter key not pointed at one of the receivers | Turn signal system flashes once | AD80.35-P-6000-05B |
| 3 | Open side windows and SR | Vehicle locks | AD80.35-P-6000-31A |
| Lock vehicle with infrared signal via left front door IR receiver (A26/1) | Disconnect coupling A on overhead control panel control module (N70) Transmitter key pointed at receiver Lock vehicle with transmitter key Press transmitter button > 1 s and hold down |
Turn signal system flashes 3 times Side windows and SR close | AD80.35-P-6000-32A |
| 4 | Close side windows and SR | Vehicle unlocks | AD80.35-P-6000-31A |
| Unlock vehicle with infrared signal via left front door IR receiver (A26/1) | Disconnect coupling A on overhead control panel control module (N70) Transmitter key pointed at receiver Unlock vehicle with transmitter key Press transmitter button > 1 s and hold down |
Turn signal system flashes once Side windows and SR open | AD80.35-P-6000-32A |
| 5 | Open side windows and SR | Vehicle locks | AD80.35-P-6000-31A |
| Lock vehicle with infrared signal via right front door IR receiver (A26/2) | Disconnect coupling A on overhead control panel control module (N70) Lock vehicle with transmitter key Transmitter key pointed at receiver Press transmitter button > 1 s and hold down |
Turn signal system flashes 3 times Side windows and SR close | AD80.35-P-6000-32A |
| 6 | Close side windows and SR | Vehicle unlocks | AD80.35-P-6000-31A |
| Unlock vehicle with infrared signal via right front door IR receiver (A26/2) | Disconnect coupling A on overhead control panel control module (N70) Unlock vehicle with transmitter key via right front door IR receiver Transmitter key pointed at receiver Press transmitter button > 1 s and hold down |
Turn signal system flashes once Side windows and SR open | AD80.35-P-6000-32A |
| 7 | Lock vehicle with mechanical key via a lock cylinder | Vehicle locks | AD80.35-P-6000-14B |
| Lock vehicle via a mechanical lock cylinder, |
AD80.35-P-6000-15B | ||
| 8 | Unlock vehicle with mechanical key via a lock cylinder | Vehicle unlocks | AD80.35-P-6000-14B |
| Unlock vehicle via mechanical lock cylinder, |
AD80.35-P-6000-15B | ||
| 9 | Insert key in electronic ignition/starter switch | Electric steering column locking unlocks | AD80.35-P-4000B |
| Enable electric steering column (ESC) control module (N26/5) | Key can be turned clockwise |
AD80.35-P-6000-33A AD80.35-P-6000-34A |
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| 10 | Turn key clockwise up to the stop in steering lock | Engines starts | AD80.35-P-4000B |
| Engine control enable | AD80.35-P-6000-24B AD80.35-P-6000-25B AD80.35-P-6000-26B AD80.35-P-6000-27B AD80.35-P-6000-28B AD80.35-P-6000-29B AD80.35-P-6000-30B AD80.35-P-6000-35A Engine fault memory Engine actual values Drive authorization system |
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| 11 | Trunk lid lock is not in workshop position. | Trunk lid unlocked | AD80.35-P-6000-04B |
| Open trunk lid via the transmitter key With remote trunk release only | Press remote trunk release transmitter button on transmitter key | AD80.35-P-6000-05B AD80.35-P-6000-31A AD80.35-P-6000-32A Electrical/pneumatic fault in PSE Mechanical fault in rear lock |