ECM Circuit Resistance
WARNING: This page is about a different car, the 2002 Suzuki XL-7, 2002 Suzuki Vitara, 2002 Suzuki Grand Vitara, 2002 Suzuki Esteem, and 2002 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.
Perform circuit resistance tests with ECM/PCM harness connectors disconnected. See CIRCUIT RESISTANCE CHARTS in PIN VOLTAGE/CIRCUIT RESISTANCE CHARTS article.