Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the anti-lock brake system (ABS) module	Circuitry. ABS module.	GO to PINPOINT TEST A .
The red brake warning indicator stays on when the ignition switch is in the RUN position	Circuitry. Parking brake. Instrument cluster. Anti-lock brake system (ABS) module. Brake fluid level sensor.	REFER to INSTRUMENT CLUSTER .
The yellow anti-lock brake system (ABS) warning indicator does not self-check	Circuitry. Instrument cluster. ABS module.	REFER to INSTRUMENT CLUSTER .
Spongy brake pedal with no warning indicator	Air in brake hydraulic system.	REFER to BRAKE SYSTEM-GENERAL INFORMATION .