Checking ECM Version
NOTE:
Following procedure is for checking ECM version using manufacturer scan tool (VAG 1551).
- Check DTC memory. See RETRIEVING DIAGNOSTIC TROUBLE CODES
.
- Display will read - "RAPID DATA TRANSFER" "SELECT FUNCTION XX".
- Press buttons -0- and -1- to select "CHECK CONTROL MODULE VERSIONS" function 01.
- Display will read - "RAPID DATA TRANSFER" "01-CHECK CONTROL MODULE VERSION".
- Press -Q- button to confirm input.
- Display will read - "4A0907551AA 2.21 R5 MOTR RHV HS D" "CODING 4".
- This display can be broken down as follows, see MOTRONIC ENGINE CONTROL MODULE VERSION
table.
CHECKING ECM VERSION
| Applications |
Scan Tool Display |
| ECM Identification |
4A0907551AA |
| Engine Displacement |
2.21 Liter |
| Engine Type: R |
In-Line 5 Cylinder |
| Fuel Injection Type: MOTR |
Motronic Multiport Fuel Injection |
| Ignition Type: RHV |
Resting High Voltage Distribution |
| Transmission Type: HS |
Manual |
| Transmission Type: AT |
Automatic |
| ECM Software: "D" |
Manufacturers Use Only |
| Coding (Number) |
1 or 4 |