Ford Fiesta: Tire Pressure Monitoring System (TPMS) / Tire Pressure Monitoring System (TPMS) - Overview. Description and Operation
Overview
The BCM
monitors the tire pressure in the 4 road tires with tire pressure
sensors that communicate the tire pressure via radio signals to the BCM .
The tire pressure sensors are battery operated and mounted to the valve
stems. All of the controlling software for the TPMS is contained in the
BCM . The IPC illuminates the TPMS
warning indicator and the message center displays a message when a
fault is present or when the tire pressure falls below the low pressure
limit.
System Operation
System Diagram
Item
Description
1
MS-CAN
2
IPC
3
BCM
4
Message center display
5
TPMS warning indicator
6
LH front TPMS sensor
7
RH front TPMS sensor
8
LH rear TPMS sensor
9
RH rear TPMS sensor
..
Other information:
Overview
The
active grille shutter system (when equipped) is comprised of the grille
shutter assembly and the grille shutter actuator. The active grille
shutter system is primarily used to maximize fuel economy by reducing
aerodynamic drag on the vehicle. The active grille shutter system is
also used to shorten engine warm-up time, increasing engine efficiency
and providing heat to t..
Inspection and Verification
Verify the customer concern.
Visually inspect for obvious signs of mechanical or electrical damage.
If an obvious cause for an observed or reported concern is
found, correct the cause (if possible) before proceeding to the next
step
If the cause is not visually evident, verify the symptom and refer to the Symptom Chart...