Schema Electrique Bmw E39 Top Here

| Symptom | Likely area in diagram | |---------|------------------------| | No communication with scanner (only DME works) | IKE gateway failure (check D-Bus termination). | | All lights flicker or stay on | LCM III internal relay failure (replace or recode). | | Windows/sunroof/sunshade dead but central locking works | GM III module K-Bus line break (check X254 connector). | | Battery drain overnight | "Terminal 30g" stuck on (relay in GM or LCM). | | Navigation screen blank, radio dead | I-Bus wire cut at trunk hinge (common on Touring). |

After a few hours of searching, Jack finally found the problem. A faulty wiring harness had been installed by the previous mechanic, causing a short circuit that was affecting the IKE module and the wiper circuit. schema electrique bmw e39 top

Wire GE/BR (Yellow/Brown) from LCM pin 11 to Xenon igniter pin 2. | Symptom | Likely area in diagram |