NOTE:
The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM) .
The horn system consists of the following components:
Horn Location
The horn is mounted on the RH side of the core support behind the front bumper cover.
Ford Focus Cylinder Head Temperature (CHT) Sensor
Item
Part Number
Description
1
9H589
Cylinder Head Temperature (CHT) sensor electrical connector
2
12A674
CHT sensor
Removal and Installation
Pull back the Cylinder Head Temperature (CHT) sensor cover and disconnect
the elect ...