The SAS used for ESP control needs 0 set because the SAS measures an absolute angle.
0 set is done by using the scantool device. If abnormal 0 set is detected or no information in SAS is detected, a failure is recognized.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Signal Monitoring | 1. A fail of SAS 0 set |
Monitoring Period |
•
During SAS 0 set | |
Enable Conditions |
•
The position of steering wheel is out of specified range (straight positon, a max. error ±5˚) during SAS 0 setting
•
When SAS is not calibrated | |
Fail Safe |
•
Inhibit the ESP control and allow the ABS/EBD control
•
The ESP warning lamps are activated |
