Self-Diagnosis Function

WARNING: This page is about a different car, the 2004 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.

ABS control module diagnoses conditions of the system component parts (whether or not there is any abnormality) all the time and indicates the results (warning of abnormality occurrence and DTC) through the ABS warning lamp as described.

Fig 1: Locating ABS Warning Light

Courtesy of SUZUKI OF AMERICA CORP.

When ignition switch is turned ON, ABS warning lamp lights for 2 seconds to check its circuit.
When no abnormality has been detected (the system is in good condition), ABS warning lamp turns OFF after 2 seconds.
When an abnormality in the system is detected, ABS warning lamp lights and the area where that abnormality lies is stored in the memory of EEPROM in ABS control module.
When connecting SUZUKI scan tool to DLC or short-circuit between diag. switch terminals of monitor connector, the abnormal area is output as DTC. It is indicated by flashing of ABS warning lamp or indicated DTC No. on SUZUKI scan tool. Refer to the following chart.

Fig 2: Short-Circuit Between Diag. Switch Terminals
Courtesy of SUZUKI OF AMERICA CORP.

Fig 3: ABS Warning Light Chart
Courtesy of SUZUKI OF AMERICA CORP.
For procedure to clear all DTCs, refer to DTC Clearance .

Also ABS control module turns ON EBD warning lamp (brake warning lamp) depending on the trouble and EBD warning lamp does not indicate DTC.