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Code (Diagnostic Trouble Codes) Is Not Outputted Even with Diagnosis Switch Terminal Connected to Ground: Notes

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.

Fig 1: Code (DTC) Is Not Outputted Even with Diagnosis Switch Terminal Connected to Ground - System Wiring Diagram

Courtesy of SUZUKI OF AMERICA CORP.