In ICU system, GDS is mainly used for diagnosis. besides this, registration of key and neutralization of ECM/PCM is executed by GDS.
The DTC will set, if invalid PIN or password is inputted for more than 3 times using the GDS.
After entering the Key registration mode, the DTC will set if a PIN is entered that is differentto "LEARNT" ICU for more than 3 times.
After entering the Neutral mode, the DTC will set if a PIN is entered that is different to "LEARNT" ICU for more than 3times.
After entering the Change User Password, the DTC will set if a PIN is entered that is different to "LEARNT" ICU for more than 3times.
After entering the Limp Home mode, the DTC will set if a PIN is entered that is different to "LEARNT" ICU for more than 3times.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Communication status check between ECM/PCM and scantool | 1. Check for "LEARNT" ECM/PCM PIN code 2. Check for "LEARNT" ECM/PCM password |
Threshold value |
•
In the PIN or password inputting procedure | |
Detecting time |
•
invalid PIN or password is inputted for more than 3 times | |
DTC Erasing Condition |
•
Without a fault or using a GDS |
