Engine Controls - System/Component Tests: Introduction
CAUTION:
When battery is disconnected, radio will go into anti-theft protection mode. Obtain radio anti-theft protection code from owner prior to servicing vehicle.
Before testing separate components or systems, perform preliminary inspection. Since many computer-controlled and monitored components set a trouble code if they malfunction, also perform procedures in TESTS W/CODES article.
NOTE:
Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt- Ohmmeter (DVOM) with a minimum 10-megohm input impedance unless otherwise instructed in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.
NOTE:
For systems and components not covered in this article, enter self-diagnostics. See INTRODUCTION in TESTS W/CODES
article. Testing is incorporated in self-diagnostic information.