On-Board Diagnostic II System Check: Notes

WARNING: This page is about a different car, the 2002 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use of TECH 2 scan tool or equivalent is required to perform On-Board Diagnostic II System Check.

NOTE: To identify component terminals and wire colors referenced in testing, see WIRING DIAGRAMS article. Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm impedance, unless stated otherwise in test procedure.