DTC P1690 is set Engine PCM's has not received any signals related starting engine, Although Engine PCM sends wake up signal to Smart Key unit.
Item | Detecting Condition | Possible Cause |
Enable Conditions |
•
Ignition "ON" | 1. Open or short in circuit 2. Faulty Smart Key unit |
Detecting time |
•
1.5 sec | |
Threshold value |
•
No response form Smart Key unit ( Communication line error -Open or short) |