

The ECU is programmed with your Focus’s gear ratios and stock tire height. Speedometer Not Working Causes: Ford FocusĪ modern vehicle’s speedometer takes the input from the Vehicle Speed Sensor and sends that data to the ECU. The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control). Instead of this direct connection, a modern vehicle uses the vehicle speed sensor and relays that information to the speedometer. There was a physical/mechanical connection between the drivetrain and the speedometer. Vehicles used to use a cable that would usually run from the tail shaft of the transmission to the speedometer. The VSS is usually not very expensive, and they are not that difficult to replace. If your Ford Focus’s speedometer is not working, it’s usually going to be caused by an issue with the VSS (vehicle speed sensor), or a bad ECU. You don’t really realize how much you look at the thing until it’s just always sitting at 0 MPH while driving down the road. Is´t necesary to delete the ignition key?.One of the most inconvenient things that can happen to your Focus is when the speedometer stops working. Do i have to program a new key to rise the module initialization step. I have a Ford Mondeo 2.0 tdci 2003, i have one ignition key, It has got module initialization for it?. Coded access is also not used here, similar to US market models. Module initialization can be called separately to match BEM and PCM, for example if the match was lost for some reason or programming procedure somehow failed before the initialization was completed. Module initialization is a part of this process and called automatically. Programming is performed as a whole - keys are erased, then programmed. These models have no dedicated functions for erase and program keys. Coded access is almost never used, so there is no problem with outcode/incode.

Also, timed access to PATS is used for these models in majoirty of cases. Module initialization logic here depends on the model, so follow FORScan instructions and acknowledge the Help info as mentioned above. If only PCM is replaced, the steps (i) and (ii) are not necessary, and only step (iii) have to be executed.

Do module initalization (Dual coded access may be required) If HEC/IC or both HEC/IC + PCM are replaced, the following sequence of actions should be performed: Module initalization function is used here when instrument cluster (HEC or IC) and/or PCM module is replaced. If only FIP module is replaced, then steps (i) and (ii) are not necessary and only step (iii) have to be executed. Erase all keys (Single coded or timed access have to be obtained) If PCM module or both FIP + PCM are replaced, the following sequence of actions should be performed: Duratorq TDCI engines of the same models have no Module Initialization functions Most common usage - initialize when new fuel pump is installed. In these models the Module Initialization function must be used if FIP (high pressure fuel pump) and/or PCM module is replaced.

Mondeo Mk3/Focus Mk1/Transit with Duratorq DI engines
