Without Using SUZUKI Scan Tool

WARNING: This page is about a different car, the 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch to OFF position.
Perform following Steps a) to d) within 10 seconds after ignition switch is turned ON and engine stops.
1. Turn lighting switch to "CLEARANCE" position.
2. Turn lighting switch to "OFF" position.
3. Repeat Steps a) and b) 2 times.
4. Press and release driver side door switch 3 times.
Check DTC displayed on odometer of combination meter or read flashing pattern of theft deterrent light 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 starts with the smallest DTC number in increasing order. Also, DTC is indicated repeatedly until the ignition switch is turned OFF.

Fig 1: Identifying Blinking Pattern Of Theft Deterrent Light
Courtesy of SUZUKI OF AMERICA CORP.
After completing the check, turn ignition switch to OFF position.