If abnormal MDPS CAN message is received, HECU sets DTC C1688.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
CAN Message Monitoring | 1. Defected MDPS ECU |
Threshold Value |
•
VSM2 message count does not increase for 100 msec.
•
Mis-match between VSM2 message checksum and ESC(ESP) calculated checksum for 100 msec.
•
Diagnostic signal of VSM2 message as fault is detected for 100 msec.
•
The fault is not checked for 2 sec after ignition "ON" | |
Fail Safe |
•
VSM inhibited(ESC[ESP] Only) | |
Warning Indicator Lamp Status |
•
- | |
Clear Condition |
•
Ignition "OFF" and then "ON" |