Precautions in Diagnosing Trouble
WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
Refer to PRECAUTIONS IN DIAGNOSING TROUBLE under H25 Engine or PRECAUTIONS IN DIAGNOSING TROUBLE under H27 Engine .