System Tests: Notes

Perform ABS/TCS FUNCTIONAL CHECK BEFORE diagnosing ABS/TCS by symptom.

If any ABS trouble codes are set, see ABS/TCS TROUBLE CODE DEFINITIONS  under SELF-DIAGNOSTIC SYSTEM. Compare any symptoms with symptom index table. See SYMPTOM INDEX .

Symptom	Go To Chart
No Power Assist (With Or Without Brake Lamp On)	C
High Pedal Effort (With Or Without Brake Lamp On)	C
Pump Does Not Run	C
Pump Runs For Extended Periods Of Time	C
Brake Lamp Stays On For More Than 20 Seconds	C
Brake Lamp Comes On While Braking	C
Brake Boost System Will Not Hold Pressure (Excessive Pressure Leakdown)	C
Brake Lamp Inoperative During Segment Check	D
"LOW BRAKE FLUID" Message Displayed At Key-On	E
Brake Lamp On & Power Assist Available	F
No System Power	G
Valve Cycling (Chatter) During Normal Stops	H
Low Or Spongy Brake Pedal	J
"ANTI-LOCK DISABLED" Message and "TRACTION DISABLED" Message Displayed & No Codes Present	K