If ECV voltage is higher than 3.5V, A/C control module sets DTC 16A4.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage Monitoring | 1. Poor Connector Connection 2. ECV Signal Circuit Open/Short 3. Defected ECV 4. Defected A/C Control Module |
Enable Conditions |
•
Ignition Switch "ON" | |
Threshold value |
•
ECV voltage is higher than 3.5 V under no ECV output condition | |
Fail Safe |
•
Compressor operation inhibited | |
Clear Condition |
•
Ignition Switch "OFF" |