Problem Symptoms Table
If a normal code is displayed during the DTC check but the problem still occurs, check the circuits for each problem symptom in the order given in the PROBLEM SYMPTOMS table, and proceed to the relevant troubleshooting table .
NOTE:
When replacing ABS & BA & TRAC & VSC ECU, sensor or etc., turn the IG switch OFF.
PROBLEM SYMPTOMS
| Symptom | Suspected Area | Refer To |
|---|---|---|
| TRAC does not operate | Only when inspection circuits for each problem symptom are all normal but the problem still occurs, replace the ABS & BA & TRAC & VCS ECU.
|
DTC C1241/41: IG POWER SOURCE CIRCUIT CHECK FOR FLUID LEAKAGE DTC C0200/31 TO C0215/34: SPEED SENSOR CIRCUIT |
| VSC does not operate | Only when inspection circuits for each problem symptom are all normal but the problem still occurs, replace the ABS & BA & TRAC & VCS ECU.
|
PRE-CHECK DTC C1241/41: IG POWER SOURCE CIRCUIT CHECK FOR FLUID LEAKAGE DTC C0200/31 TO C0215/34: SPEED SENSOR CIRCUIT DTC C1244/44: DECELERATION SENSOR CIRCUIT DTC C1233/33, C1234/34: YAW RATE SENSOR CIRCUIT DTC C1231/31: STEERING ANGLE SENSOR CIRCUIT |
| BA does not operate | Stop light switch circuit | DTC C1249/49: STOP LIGHT SWITCH CIRCUIT |
| SLIP indicator light is abnormal | SLIP indicator light circuit | SLIP INDICATOR LIGHT CIRCUIT |
| VSC OFF indicator is abnormal | Only when inspection circuits for each problem symptom are all normal but the problem still occurs, replace the ABS & BA & TRAC & VCS ECU.
|
VSC OFF INDICATOR LIGHT, VSC OFF SWITCH CIRCUIT VSC OFF INDICATOR LIGHT, VSC OFF SWITCH CIRCUIT |
| DTC check is impossible | Only when inspection circuits for each problem symptom are all normal but the problem still occurs, replace the ABS & BA & TRAC & VCS ECU.
|
DTC ALWAYS ON: MALFUNCTION IN ECU VSC WARNING LIGHT CIRCUIT TC TERMINAL CIRCUIT |
| VSC warning light is abnormal | Only when inspection circuits for each problem symptom are all normal but the problem still occurs, replace the ABS & BA & TRAC & VCS ECU.
|
DTC ALWAYS ON: MALFUNCTION IN ECU VSC WARNING LIGHT CIRCUIT DTC ALWAYS ON: MALFUNCTION IN ECU VSC WARNING LIGHT CIRCUIT |