Circuit Description

When diagnosis switch terminal is shorted or connected to the ground with ignition switch ON, diagnosis trouble code (DTC) is indicated by flashing of ABS warning lamp only in the following cases.

• Normal DTC 12 is indicated if no malfunction DTC is detected in the ABS.
• A history malfunction DTC is indicated by flashing of the lamp if a current malfunction DTC is not detected at that point although a history malfunction DTC is stored in memory.