Symptom Chart

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 Instrument cluster Brake fluid level sensor Anti-lock brake system (ABS) module	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 .
The traction control/roll stability control system cannot be disabled	Circuitry Stability traction control switch Anti-lock brake system (ABS) module	GO to PINPOINT TEST K .