Ignition System: Testing and Inspection

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The technician should be aware that diagnosis should begin at the Powertrain Management System level, where testing begins with Diagnosis by Symptom, and is narrowed to testing of a "specific" subsystem and it's related wiring and components. Following the appropriate diagnostic routines may prevent misdiagnosis and unnecessary component replacement. Refer to Powertrain Management/Testing and Inspection/Procedures.

For specific No Start testing, refer to Pinpoint Test A under Computers and Control Systems, A - No Start Test
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