Using ABS Warning Lamp

Perform "ABS WARNING LAMP CHECK :".
Using service wire (4), connect diagnosis switch terminal (2) of monitor connector (blue) (1) to ground (3).

Fig 1: Connecting Diagnosis Switch Terminal Of Monitor Connector (Blue) To Ground
Courtesy of SUZUKI OF AMERICA CORP.
Turn ignition switch to ON position.
Read flashing of ABS warning lamp which represents DTC as shown in the following example and write it down. When more than 2 DTCs are stored in memory, flashing for each DTC is repeated three times starting with the smallest DTC number in increasing order.
For details of DTC, refer to "DTC TABLE :".

If DTC is not indicated at ABS warning lamp, go to "CODE (DTC) IS NOT OUTPUTTED EVEN WITH DIAGNOSIS SWITCH TERMINAL CONNECTED TO GROUND :".

Example: When right-front wheel speed sensor circuit opens (DTC 21)

Fig 2: Identifying ABS Warning Lamp Blinking Pattern
Courtesy of SUZUKI OF AMERICA CORP.
After completing the check, turn ignition switch off, disconnect service wire from monitor coupler.