General Information

Immobilizer
P1688 Immobilizer Lock - General Information

Component Location





General Description

In ICU system, scantool is mainly used for diagnosis. besides this, registration of key and neutralization of ECM is executed by scantool.

DTC Description

The DTC will set, if invalid PIN or password is inputted for more than 3 times using the scantool.
1. 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.
2. After entering the Neutral mode, the DTC will set if a PIN is entered that is different to "LEARNT" ICU for more than 3times.
3. 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.
4. 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.

DTC Detecting Condition





Diagnostic Circuit Diagram