Symptom Chart

Refer to ANTI-LOCK BRAKES for schematic and connector information.

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 RUN	Circuitry. Instrument cluster. Brake fluid level sensor. Anti-lock brake system (ABS) module.	REFER to INFORMATION GAUGES AND WARNING DEVICES .
The yellow anti -lock brake system (ABS) warning indicator does not self-check	Circuitry. Instrument cluster. ABS module.	REFER to INFORMATION GAUGES AND WARNING DEVICES .
Spongy brake pedal with no warning indicator	Air in brake hydraulic system.	REFER to BRAKE SYSTEM .
The stability assist system cannot be disabled	Circuitry. Stability assist switch. Anti-lock brake system (ABS) module.	Go To PINPOINT TEST O
The stability assist switch indicator is never/always on	Circuitry. Stability assist switch. Anti-lock brake system (ABS) module.	Go To PINPOINT TEST R .