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Home >> Pontiac >> 2003 >> Vibe Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System & Component Testing >> Ignition Systems >> Electronic Ignition System Diagnosis >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2

    If there is a fault in either the Crankshaft Position (CKP) sensor or Camshaft Position (CMP) sensor circuits, the ignition system can malfunction. Repair the cause of a DTC P0335 or DTC P0340 first.
  2. 3

    If there is a fault in the electrical circuits between the PCM and the ignition coil assemblies, a DTC P1300-P1315 will set. Use the DTC P1300-P1315 diagnostic procedure to repair the ignition system failure.
  3. 7

    This step checks for a condition that can cause a loss of spark, even though the test in step  4 indicated that there was good spark.
  4. 10

    This step checks whether the engine will start and run. A repair that has been performed leading to this step may only have been a contributing cause of a no start condition. Returning to the Engine Cranks but Does Not Run diagnostic procedure will locate additional causes of the no start condition.