The SPAS ECU receives a CAN Message (the temperature signal for compensation), 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 FATC.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Status for receiving CAN message from FATC | 1. Poor Connection 2. FATC Module |
Enable Condition |
•
Ignition "ON" | |
Threshold Value |
•
SPAS ECU receives Invalid messages from FATC | |
Diagnostic Time |
•
For more than 500 ms |