Symptom Chart

NOTE: Refer to SYSTEM WIRING DIAGRAMS for connector numbers stated in the pinpoint tests.

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the antilock brake system (ABS) module	Central junction box (CJB) fuse(s): 3 (5A). 5 (5A). Circuitry. ABS module.	Go To PINPOINT TEST A: NO COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
The yellow anti-lock brake warning indicator does not self-check	Circuitry. Instrument cluster. Anti-lock brake system (ABS) module.	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
Spongy brake pedal with no warning indicator	Air in brake hydraulic system.	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
The traction control is inoperative	Circuitry. Traction control switch. Anti-lock brake system (ABS) module. Hydraulic control unit (HCU). Base brake system.	Go To PINPOINT TEST G: THE TRACTION CONTROL IS INOPERATIVE . REFER to BRAKE SYSTEM-GENERAL INFORMATION .
The traction control cannot be disabled	Circuitry. Traction control switch. Anti-lock brake system (ABS) module.	Go To PINPOINT TEST H: THE TRACTION CONTROL CANNOT BE DISABLED .
The traction control switch is never/always on	Circuitry. Traction control switch. Anti-lock brake system (ABS) module.	Go To PINPOINT TEST I: THE TRACTION CONTROL SWITCH INDICATOR IS NEVER/ALWAYS ON .