If open in motor pump relay or fuse, motor open, short to battery, motor lock is detected, HECU sets DTC C2402.
Item | Detecting Condition | Possible cause | |
DTC Strategy |
•
Voltage Monitoring | 1. Power Circuit Open/Short 2. Blown Fuse 3. Defected HECU | |
Threshold Value | Case 1 (Motor Relay Open/Short to Battery) |
•
Motor voltage is less than(Battery Voltage/2)±1.0 V(ex. 6.3±1.0V when Battery Voltage is 12.6V) for more than 49 msec. | |
Case 2 (Motor Open/Motor Short to Battery) |
•
Motor voltage is exceeded 3.5V for more than 500 msec, after 1.8 sec from the time motor relay is switched "OFF" | ||
Case 3 (Motor Lock) |
•
Motor voltage is higher than 1.1V for more than 64 msec after 100 msec from motor relay is switched "OFF" | ||
Case 4 (Motor Fuse Open) |
•
Battery Voltage is less than 3.5 V for 1 sec. | ||
Fail Safe |
•
ABS inhibited(ABS Only)
•
ABS/CBC/TCS/ESC(ESP)/HAC/VSM/AVH inhibited(ESC[ESP] Only) | ||
Warning Indicator Lamp Status |
•
ABS/ESC(ESP) Warning Indicator Lamp "ON" | ||
Clear Condition |
•
In case of 1 and 3 - Ignition "OFF" and then "ON" and Vehicle reference speed over 30 km/h (Approx. 19 mph)
•
In case of 2 and 4 - Ignition "OFF" and then "ON" | ||
