DTC Check

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara and 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Check to make sure that all doors are closed.
Open driver side door window glass and door.
Check to make sure that ignition key is not inserted in ignition key cylinder. If it is, remove it.
Perform KEY INDICATOR LIGHT CHECK .
Close driver side door and within 15 seconds after that, perform Steps a through e described below.
1. Insert ignition key (1) in ignition key cylinder (2).
2. Remove ignition key from ignition key cylinder.
3. Repeat Steps a and b twice.
4. Insert ignition key in ignition key cylinder.
5. Push driver side door request switch (3) 4 times.
  At the end of Step e, buzzer sounds 4 times to inform that trouble diagnosis mode has started.
  
  Fig 1: Identifying Ignition Key, Ignition Key Cylinder And Switch
  Courtesy of SUZUKI OF AMERICA CORP.
Read flashing pattern of key indicator light which represents DTC as shown in example below 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.
NOTE: Go to NO DTC DETECTION AFTER PERFORMING DTC CHECK in case that any DTC is detected after performing the procedure mentioned above.

Fig 2: Flashing Pattern Of Key Indicator Light Which
Courtesy of SUZUKI OF AMERICA CORP.
After completing the check, remove ignition key from ignition key cylinder.