Initial Inspection and Diagnostic Overview

On Board Diagnostic (OBD), Function

It is an independent system and has the On Board Diagnostic (OBD) address word 36 "Seat adjustment driver's side".

The seat adjustment control module (J136) is located under the driver's seat and is connected to the comfort system via the CAN-bus.

It is equipped with DTC memory. The Data Link Connector (DLC) for the On Board Diagnostic (OBD) is located under the dash on the drivers side. The control module detects malfunctions in the system and stores them in a permanent memory.

To commence trouble shooting, initiate On Board Diagnostic and retrieve the stored information with the VAG 1551 Scan Tool. System tester VAG 1552 may also be used.

The malfunction information displayed is used to refer to a DTC table with notes on the possible causes for directed repair measures. Malfunctions which can be attributed to a temporary open circuit in the wiring or a loose contact will also be stored. These malfunctions will be displayed as sporadic DTCs "SP."

The individual operating functions are described in the following description.