General Information

Smart Key Unit
B1987 Sub Micom Failed - General Information

Component Location





General Description

Smartkey Module communicates with PCM through the serial communication line. If PCM requests authetication from Smartkey Module after IG ON, Smartkey Module check authentication with transponder then, sends this signal to PCM whether authentication is O.K or not.

DTC Description

This code reports the malfunction of NEC MCU inside Smartkey Module. This is the case which there is the NEC MCU communication error.

DTC Detecting Condition