You will notice that the starter motor wire does not go directly to the ignition key. Instead, it goes: Key -> UCH -> CAN Bus -> Engine ECU -> Starter relay.
If you own a pre-2010 Renault (Laguna II, Megane II, Clio III) notorious for electrical issues like the UCH failure, intermittent wipers, or dashboard light shows, . A second-hand copy of Dialogys VISU on an old laptop will save you thousands in dealership diagnostic time.
Visu uses a distinct format for connectors. You will see blocks labeled with letters and numbers (e.g., R23 or B5 ).
You will notice that the starter motor wire does not go directly to the ignition key. Instead, it goes: Key -> UCH -> CAN Bus -> Engine ECU -> Starter relay.
If you own a pre-2010 Renault (Laguna II, Megane II, Clio III) notorious for electrical issues like the UCH failure, intermittent wipers, or dashboard light shows, . A second-hand copy of Dialogys VISU on an old laptop will save you thousands in dealership diagnostic time. renault visu wiring diagrams
Visu uses a distinct format for connectors. You will see blocks labeled with letters and numbers (e.g., R23 or B5 ). You will notice that the starter motor wire