Symptom Diagnosis
Perform symptom diagnosis when no DTCs are present, but symptom still occurs. See SYMPTOM DIAGNOSIS table, then see specified procedure or appropriate test under DIAGNOSTIC TESTS , SYSTEM TESTS or COMPONENT TESTS .
SYMPTOM DIAGNOSIS
| Symptom | Circuit (1) | DTC Or Procedure | ||||
|---|---|---|---|---|---|---|
| ABS Does Not Operate (2) | Check DTC, Confirm Normal DTC Is Output | RETRIEVING DIAGNOSTIC TROUBLE CODES | ||||
| IG Power Source Circuit | DTC C1241/ 41 | |||||
| Speed Sensor Circuit | DTC 31, 32, 33 & 34 | |||||
| Check Hydraulic Circuit For Leaks | Visual Inspection | |||||
| ABS Inoperative Intermittently(2) | Check DTC, Confirm Normal DTC Is Output | RETRIEVING DIAGNOSTIC TROUBLE CODES | ||||
| Speed Sensor Circuit | DTC 31, 32, 33 & 34 | |||||
| Stoplight Switch Circuit | DTC C1249/ 49 | |||||
| Check Hydraulic Circuit For Leaks | Visual Inspection | |||||
| ABS Warning Light Abnormal | ABS Warning Light Circuit | ABS WARNING LIGHT | ||||
| ABS ECU | ABS LIGHT ON: ABS ECU MALFUNCTION | |||||
| Unable To Perform DTC Check (2) | ABS Warning Light Circuit | ABS WARNING LIGHT | ||||
| Tc Terminal Circuit | Tc TERMINAL | |||||
| Unable To Check Speed Sensor Signal | Ts Terminal Circuit | Ts TERMINAL | ||||
| Check ABS ECU Circuits | ABS LIGHT ON: ABS ECU MALFUNCTION | |||||
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