FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Quick Tests

NOTE:
- Rotunda 60-pin EEC-IV Breakout Box 418-005 (014-00322) or equivalent is required to obtain Pin readings.
- Use the Quick Test Chart for short term service only, and for service when New Generation Star (NGS) tester is not available.
- If the fault is intermittent, the following tests will NOT find the fault. Diagnostic Trouble Codes (DTCs) must be retrieved and utilized.