Connector & Terminal Identification
Depending on application, ECUs have one, 3 or 4 connectors. On vehicles with multiple ECU connectors, terminals are designated by an alphanumeric identifier. For example, terminal A9 is connector "A", terminal No. 9. ECU connector can be identified by number of terminals in each connector. See ECU CONNECTOR IDENTIFICATION table.
| Connector | Number Of Pins |
|---|---|
| A (E29) | 26 |
| B (E30) | 22 |
| C (E31) | 16 |
ECU CONNECTOR IDENTIFICATION (1.8L)
See also:
• WIRING DIAGRAMS
• ADJUSTMENTS