Ford Fiesta: Power Steering / Power Steering - Overview. Description and Operation

Ford Fiesta 2014 - 2019 Service Manual / Steering System / Power Steering / Power Steering - Overview. Description and Operation

Overview

The EPAS system provides steering assist to the driver by replacing the conventional, hydraulic pump system with an electric motor coupled to the steering shaft. The system is controlled by the PSCM which senses the steering effort using sensors mounted between the steering column shaft and the steering gear. Steering assist is provided in proportion to steering effort and vehicle speed.

Power Steering

Power Steering - System Operation and Component Description. Description and Operation

System Operation System Diagram Item Description 1 EPAS column 2 HS-CAN 3 EPAS motor 4 Steering shaft position sensor 5 Steering shaft torque sensor 6 PSCM 7 IPC 8 ABS module 9 PCM Network Message Chart ..

Other information:

Ford Fiesta 2014 - 2019 Service Manual: Active Grille Shutter. Diagnosis and Testing

DTC Chart: Powertrain Control Module (PCM) Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Powertrain Control Module (PCM) DTC Chart DTC Description Action ..

Ford Fiesta 2014 - 2019 Service Manual: Front Wheel Speed Sensor. Removal and Installation

Removal NOTE: Removal steps in this procedure may contain installation details. Remove the wheel and tire. Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation). Remove the retainers. Position aside the fender splash shield. Disconnect the ..

Wheels and Tires. Diagnosis and Testing

Preliminary Inspection

Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are apparent, Refer to the Symptom Chart: NVH.
To maximize tire performance, inspect for signs of incorrect inflation and uneven wear, which may indicate a need for balancing, rotation or front suspension alignment.
Correct tire pressure and driving techniques have an important influence on tire life. Heavy cornering, excessively rapid acceleration and unnecessary sharp braking increase tire wear.

Correct tire pressure and driving techniques have an important influence on tire life. Heavy cornering, exce