Parktronic system sensors
PTS sensors (A43) are fixed in the rear bumper panel of the car
Scheme of the organization of the PTS sensor mounting
1 - Lid; 2 - Holder; 3 - Nozzle; 4 - Bracket
The sensor (A43) is fixed in the bracket by means of a retaining ring (arrow)
1. Remove the license plate light.
2. Release the locking ring on the holder (2) and release the sensor from the bracket (4).
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3. Remove the retaining ring (arrow).
4. Carefully separate the electrical wiring.
5. Installation is carried out in the reverse order; if necessary, paint the sensors in the body color.
Note: Sensors with scratched outer surface must be replaced.
Towing protection sensor
Towing Protection Sensor Installation Details (B33)
1. On models with the corresponding configuration (code ET2), activate the service mode of the TELE AID emergency call system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
2. Turn on the auxiliary battery and connect it to the standard battery, then disconnect the negative cable from the latter.
7 - Auxiliary battery
8 — Positive wire terminal of the module
9 — Terminal of the negative wire of the module
W10 - Battery ground
3. Remove the center console (see Chapter Body).
4. Remove the AT control module (TCM/ETC) (see Chapter Automatic transmission).
5. On models 463.246/249, remove the TELE AID emergency call system control module (see Section Removal and installation control modules).
6. Remove the control module support bracket.
7. Disconnect the electrical wiring from the tilt-sensitive tow-away protection sensor (B33).
8. Unscrew and remove the sensor (B33) from the housing.
9. Installation is carried out in the reverse order, on models of the corresponding configuration (code ET2) deactivate the service mode of the TELE AID system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
10. Finally, read the DTC codes and clear the on-board diagnostic system memory using the STAR DIAGNOSIS scanner (6511 1801 00) (See Chapter Engine electrical systems) and perform basic programming procedures.
Daylight sensor
Daylight sensor installation details (B32/1)
1 - Lid; 2 - Connector
1. Remove the interior rearview mirror (see Chapter Body).
2. Remove the cover (1).
3. Disconnect the connector (2), release the clamps and remove the daytime running light sensor (B32/1) - the sensor lens is glued to the windshield and cannot be replaced.
4. Installation is carried out in reverse order.
Rain sensor
Rain sensor installation details (B38)
1 - Lid; 2 - Fixators; 3 - Lens
1. Remove the interior rearview mirror (see Chapter Body).
2. Remove the cover (1).
3. Release the fasteners (2) on the left and right and remove the rain sensor (B38) - the sensor lens is glued to the windshield and cannot be replaced.
4. Disconnect the sensor wiring connector.
5. Installation is carried out in reverse order.