System Tests: Notes

Do NOT begin diagnosis by symptom before performing ABS/TCS FUNCTIONAL CHECK  under TROUBLESHOOTING. If any ABS trouble codes are set, see ABS/TCS TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Compare any symptoms with symptom diagnosis 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 And 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 And No Codes Present	K