The SPAS ECU check the CAN communication line for normal control of the ABS/ESP. and if the CAN communication is abnormal, the DTC is set.
Between LOW and HIGH, if only the one is open or short to ground, the SPAS ECU could communicate with the ABS/ESP.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Status for receiving CAN message from ABS/ESP ECU | 1. Poor Connection 2. ABS/ESP ECU |
Enable Condition |
•
Ignition "ON" | |
Threshold Value |
•
SPAS ECU receives Invalid messages from ABS/ESP ECU | |
Diagnostic Time |
•
For more than 500 ms |