Security alarm system (Skoda Octavia 5E)

Contents: General information ⬇ Fault recognition and indication ⬇ Removal and installation of the…⬇ Removal and installation of the…⬇

General information

The functions of the alarm system are integrated into the on-board power supply control unit "J519". After replacing the convenience systems central control unit "J393" or the on-board power supply control unit "J519", the alarm system must be adapted using the Tester.

Fault recognition and indication

The alarm system is equipped with self-diagnostics, which facilitates troubleshooting. To troubleshoot, use the "Guided troubleshooting" function in the Tester.

Note: After the alarm system has been triggered, the alarm source stored in the on-board power supply control unit "J519" is displayed. To find the alarm source, use the Tester in the function "Guided functions" - "Measured value blocks". Before starting installation work, the vehicle must be unlocked using the unlock button of the radio remote control.

Removal and installation of the alarm siren "N12"

Note: The alarm siren "N12" has an independent battery, which cannot be replaced separately.

Switch off the ignition and all electrical consumers. The car must not be locked with the central lock remote control. Remove the water drain box cover. Unscrew the nut "2" and remove the alarm siren "1". Disconnect the connector.

Installation in reverse order.

Removal and installation of the interior security system sensor "G273" and the vehicle tilt sensor "G384"

Note: The interior monitoring system sensors "G273" and the vehicle tilt sensor "G384" form a single unit and cannot be replaced separately.

Switch off the ignition and all electrical consumers. Remove the interior light in the front part of the ceiling trim. Unlock the interior security system sensors "2" from the lower clips and, by slightly folding back "arrows B", release them from the holder. Press down the locking tabs "arrows A" and remove the vehicle tilt sensor "1" with the interior security system sensors "2" from the interior light.