With GST

WARNING: This page is about a different variant/trim than selected.

Start engine and warm it up to normal operating temperature.
Select Service $01 with GST.
Check the mass air flow sensor signal with Service $01.

Fig 1: Screen Display - Mass Air Flow Sensor
Courtesy of SUZUKI OF AMERICA CORP.
Check for linear mass air flow sensor signal value rise in response to increases to about 4, 000 RPM in engine speed.
If NG, go to [P0101 MAF SENSOR ].