ZCS Stored Location In Vehicle

The ZCS is stored in the vehicle to simplify the coding procedures when a module needs to be recoded or a replacement module needs to be coded. Depending on the vehicle, the ZCS information is stored in the following locations:

ZCS STORED LOCATION IN VEHICLE

Vehicle

Model

Module

Vehicle

Model

Module

E31

All

EKM

E39

All

Instrument Cluster/EWS

E32

All

Instrument Cluster

E38

All

Instrument Cluster/EWS

E34

All

Instrument Cluster

E46⁽¹⁾

All

Instrument Cluster/LSZ

E36

318i/is 325i/is M3

Instrument Cluster

E52

All

Instrument Cluster/LSZ

E36

318ti Z3

EWS II As of 9/98: Instrument Cluster/EWS

E53

All

Instument Cluster/LSZ

⁽¹⁾	The E46 switched to a Vehicle Order (VO) data structure in 9/01.

The procedure to code control modules that utilize the ZCS information can be performed via the DISplus/GT1 or SSS using Progman with CIP 15.0 or higher and accessing the "Codierung ZCS/FA" function.

When coding a ZCS codable control module the coding program in CIP automatically searches the stored location, based on the VIN, and codes the selected module according to the information provided in the ZCS code.

On later production vehicles the ZCS information began to be stored in two locations, referred to as redundant data storages, this insures that the information is always available in the event the primary device storing the data fails.

NOTE: On early production vehicles without redundant data storage, if the module being coded or recoded is the module that stores the ZCS information, then the vehicles ZCS information must be obtained from the label located on the vehicle or electronically accessed from the module and printed out then entered manually via the input screen on DISplus/GT1 or SSS.

For vehicles with redundant data storage the coding of the module storing the data is performed automatically using the information stored in the "back up" module.