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Home >> Ford >> 2009 >> Focus SES, 4D Sedan, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Vehicle Dynamic Systems >> Diagnostic Tests >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test G: The Traction Control System Cannot Be Disabled >> Normal Operation
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Normal Operation

The traction control system can be disabled by pressing the traction control switch located on the instrument panel. When the system is disabled, the traction control system indicator light in the instrument cluster will illuminate and the message center (if equipped) will display Traction Control Off.

The traction control switch is grounded along circuit GD134 (BK/VT) and is connected to the instrument cluster along circuit CCA15 (YE/GY). When the traction control switch is pressed, circuit CCA15 (YE/GY) is momentarily grounded to circuit GD134 (BK/VT). The instrument cluster senses this ground and disables the traction control system, the cluster also sends a message on the high-speed controller area network (HS-CAN) bus that the system is disabled. The system will remain disabled until the switch is pressed a second time or until the ignition switch is cycled.

This pinpoint test is intended to diagnose the following:

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