If Cluster Ionizer Diagnosis Input voltage is less than 2.0V, A/C control module sets DTC B1688.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage Monitoring | 1. Poor Connector Connection 2. Cluster Ionizer Diagnosis Circuit Short 3. Defected Cluster Ionizer 4. Defected A/C Control Module |
Enable Conditions |
•
Ignition Switch "ON" | |
Threshold value |
•
Cluster Ionizer Diagnosis Input voltage is less than 2.0V for 2 sec. | |
Fail Safe |
•
Ion and Clean Signal Cut-Off | |
Clear Condition |
•
Ignition Switch "OFF" |
