Once IPM receives rear windshield defog switch working signal, it sends the signal to RAM by CAN communition. RAM performs a defogging function by operating rear windshield defog relay.
This code is set when RAM detects rear windshield defog relay not working even thought relay working condition is met. (relay fuse open, faulty relay, faulty relay operating IC)
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Rear W/Shield Defog Fuse or Relay state check |
•
Rear Windshield Defog Relay Fuse Open |
Enable Conditions |
•
ACC "ON" | |
Threshold Value |
•
It is normal if the voltage of each fuse terminal is above 12V. | |
Diagnostic Time |
•
Immediately | |
DTC Erasing Time |
•
DTC is erased immediately after trouble fixed. |